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<mods:title id="E4FAC8184B19D3DC89FBF4324AD3DF0C">Revision of the cranial anatomy of Ophisaurus acuminatus Jörg, 1965 (Anguimorpha, Anguidae) from the late Miocene of Germany</mods:title>
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<taxonomicName id="98B34D24033AFFE6AC1B977ED0EFFCDE" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[264,643,789,816]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="5" pageNumber="542" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB5033AFFE6AC1B977ED066FCC1" bold="true" box="[264,522,789,816]" italics="true" pageId="5" pageNumber="542">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B56033AFFE6AF02977DD0EFFCDE" author="JORG E." box="[529,643,789,816]" pageId="5" pageNumber="542" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
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(
<figureCitation id="C7882A22033AFFE6AC82975ED394FCA1" box="[401,504,821,848]" captionStart-0="FIG" captionStart-1="FIG" captionStart-10="FIG" captionStart-11="FIG" captionStart-12="FIG" captionStart-13="FIG" captionStart-2="FIG" captionStart-3="FIG" captionStart-4="FIG" captionStart-5="FIG" captionStart-6="FIG" captionStart-7="FIG" captionStart-8="FIG" captionStart-9="FIG" captionStartId-0="4.[132,143,1985,2002]" captionStartId-1="6.[132,143,1962,1979]" captionStartId-10="15.[132,143,1985,2002]" captionStartId-11="16.[132,143,1985,2002]" captionStartId-12="17.[132,143,1249,1266]" captionStartId-13="18.[195,206,921,938]" captionStartId-2="7.[132,143,1142,1159]" captionStartId-3="8.[132,143,1591,1608]" captionStartId-4="9.[132,143,1765,1782]" captionStartId-5="10.[132,143,1209,1226]" captionStartId-6="11.[132,143,1460,1477]" captionStartId-7="12.[147,158,856,873]" captionStartId-8="13.[132,142,1443,1460]" captionStartId-9="14.[132,143,1313,1330]" captionTargetBox-0="[178,1410,221,1873]" captionTargetBox-1="[135,1437,216,1873]" captionTargetBox-10="[136,1451,215,1846]" captionTargetBox-11="[144,1443,216,1832]" captionTargetBox-12="[165,1428,216,1206]" captionTargetBox-13="[145,1442,210,887]" captionTargetBox-2="[146,1429,215,1077]" captionTargetBox-3="[145,1442,216,1553]" captionTargetBox-4="[132,1450,215,1732]" captionTargetBox-5="[163,1424,214,1168]" captionTargetBox-6="[132,1449,215,1416]" captionTargetBox-7="[183,1405,213,814]" captionTargetBox-8="[138,1449,214,1402]" captionTargetBox-9="[139,1444,215,1276]" captionTargetId-0="figure-29@4.[425,983,773,1333]" captionTargetId-1="figure-31@6.[232,797,762,1331]" captionTargetId-10="figure-24@15.[650,1200,756,1307]" captionTargetId-11="figure-33@16.[697,1272,751,1297]" captionTargetId-12="figure-400@17.[702,1251,204,755]" captionTargetId-13="figure-688@18.[160,809,200,722]" captionTargetId-2="figure-480@7.[694,1256,206,782]" captionTargetId-3="figure-204@8.[706,1247,744,1298]" captionTargetId-4="figure-129@9.[673,948,781,1065]" captionTargetId-5="figure-423@10.[377,1004,208,741]" captionTargetId-6="figure-283@11.[659,1211,730,1272]" captionTargetId-7="figure-653@12.[372,896,193,765]" captionTargetId-8="figure-332@13.[713,1279,763,1329]" captionTargetId-9="figure-372@14.[695,1262,207,764]" captionTargetPageId-0="4" captionTargetPageId-1="6" captionTargetPageId-10="15" captionTargetPageId-11="16" captionTargetPageId-12="17" captionTargetPageId-13="18" captionTargetPageId-2="7" captionTargetPageId-3="8" captionTargetPageId-4="9" captionTargetPageId-5="10" captionTargetPageId-6="11" captionTargetPageId-7="12" captionTargetPageId-8="13" captionTargetPageId-9="14" captionText-0="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." captionText-1="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." captionText-10="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." captionText-11="FIG. 12. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, photograph; C, D, virtual 3D models of right dentary in lateral (A, B), medial (C) and ventromedial (D) views. Scale bar: 2 mm." captionText-12="FIG. 13. — Ophisaurus acuminatus Jörg,1965,SMNK-PAL.8561:A, B, right coronoid in lateral (A) and medial (B) views;C-E, photograph (C) and virtual 3D models (D, E) of right splenial in lateral (C, D) and medial (E) views. Scale bars: A, B, D, E, 2 mm; C, 1 mm." captionText-13="FIG. 14. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8610: A-G, osteoderms in external (A, C-G) and internal (B) views. Scale bars: 1 mm." captionText-2="FIG. 3. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, photograph of nasals in dorsal view; B, virtual 3D models of nasals and surrounding osteoderms in dorsal view. Scale bar: 2 mm." captionText-3="FIG. 4. — A-C, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, virtual 3D models of nasals in dorsal (A) and ventral (B) views; C, reconstruction of posterior ornamented shields in dorsal view; D, E, virtual 3D models of anterior portions of skulls of Ophisaurus ventralis (Linnaeus, 1766) (ZFMK 95414) (D) and Ophisaurus attenuatus Baird, 1880 (DE 43) (E) in dorsal views. Scale bars: A-C, 2 mm; D, 3 mm; E, 2.5 mm." captionText-4="FIG. 5. — Ophisaurus acuminatus Jörg, 1965: A-C, SMNK-PAL.8561, photograph (A) and virtual 3D models of right prefrontal in lateral (A, B) and medial (C) views; D, E, SMNK-PAL.8690, virtual 3D models of left prefrontal in lateral (D) and medial (E) views; F, G, posterior portion of left frontal bone in dorsal (F) and ventral (G) views. Scale bars: 2 mm." captionText-5="FIG. 6. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, right postfrontal in dorsolateral (A) and ventrolateral (B) views; C, D, left postfrontal in dorsolateral (C) and ventrolateral (D) views. Scale bar: 2 mm." captionText-6="FIG. 7. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, photographs of left maxilla (A) and detail of teeth (B) in lateral view; C, D, virtual 3D model of left maxilla in lateral (C) and medial (D) views; E-G, photograph (E) and virtual 3D models (F, G) of left jugal in lateral (E, F) and medial (G) views. Scale bars: A, B, 1 mm; C, D, 5 mm; E-G, 2 mm." captionText-7="FIG. 8. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, virtual 3D models of right palatine in ventral (A) and dorsal (B) views. Scale bar: 2 mm." captionText-8="FIG. 9. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-C, left pterygoid in dorsal (A) and ventral (B, C) views; D, detail of its denticulate field of the same pterygoid;E, F, virtual 3D models of right pterygoid in ventral (E) and dorsal (F) views. Scale bars: A-C,E, F, 2 mm; D, 1 mm." captionText-9="FIG. 10. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-D, photograph (A) and virtual 3D models (B-D) of right fused exoccipital and opisthotic in anterolateral (A, B), anterior (C) and posterolateral (D) views. In A-C, fused exoccipital and opisthotic are dorsoventrally turned up. Scale bars: 2 mm." figureDoi-0="http://doi.org/10.5281/zenodo.4447788" figureDoi-1="http://doi.org/10.5281/zenodo.4447790" figureDoi-10="http://doi.org/10.5281/zenodo.4447809" figureDoi-11="http://doi.org/10.5281/zenodo.4447811" figureDoi-12="http://doi.org/10.5281/zenodo.4447813" figureDoi-13="http://doi.org/10.5281/zenodo.4447815" figureDoi-2="http://doi.org/10.5281/zenodo.4447792" figureDoi-3="http://doi.org/10.5281/zenodo.4447794" figureDoi-4="http://doi.org/10.5281/zenodo.4447796" figureDoi-5="http://doi.org/10.5281/zenodo.4447798" figureDoi-6="http://doi.org/10.5281/zenodo.4447800" figureDoi-7="http://doi.org/10.5281/zenodo.4447803" figureDoi-8="http://doi.org/10.5281/zenodo.4447805" figureDoi-9="http://doi.org/10.5281/zenodo.4447807" httpUri-0="https://zenodo.org/record/4447788/files/figure.png" httpUri-1="https://zenodo.org/record/4447790/files/figure.png" httpUri-10="https://zenodo.org/record/4447809/files/figure.png" httpUri-11="https://zenodo.org/record/4447811/files/figure.png" httpUri-12="https://zenodo.org/record/4447813/files/figure.png" httpUri-13="https://zenodo.org/record/4447815/files/figure.png" httpUri-2="https://zenodo.org/record/4447792/files/figure.png" httpUri-3="https://zenodo.org/record/4447794/files/figure.png" httpUri-4="https://zenodo.org/record/4447796/files/figure.png" httpUri-5="https://zenodo.org/record/4447798/files/figure.png" httpUri-6="https://zenodo.org/record/4447800/files/figure.png" httpUri-7="https://zenodo.org/record/4447803/files/figure.png" httpUri-8="https://zenodo.org/record/4447805/files/figure.png" httpUri-9="https://zenodo.org/record/4447807/files/figure.png" pageId="5" pageNumber="542">Figs 1-14</figureCitation>
)
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<emphasis id="6DC7EAB5033AFFE6AD979705D30EFC68" box="[132,354,878,902]" italics="true" pageId="5" pageNumber="542">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B56033AFFE6AC7B9704D394FC68" author="JORG E." box="[360,504,878,903]" pageId="5" pageNumber="542" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965: 21</bibRefCitation>
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.8561, almost complete and partially disarticulated skull and lower jaws (
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; 
<figureCitation id="C7882A22033AFFE6AF3497D3D02BFC3E" box="[551,583,952,976]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="5" pageNumber="542">2A</figureCitation>
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<collectionCode id="39A2AE62033AFFE6AC1B9069D3E6FBF4" box="[264,394,1026,1050]" pageId="5" pageNumber="542">SMNK-PAL</collectionCode>
.8610, ten osteoderms (
<figureCitation id="C7882A22033AFFE6AF789069D0C3FBF4" box="[619,687,1026,1050]" captionStart="FIG" captionStartId="18.[195,206,921,938]" captionTargetBox="[145,1442,210,887]" captionTargetId="figure-688@18.[160,809,200,722]" captionTargetPageId="18" captionText="FIG. 14. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8610: A-G, osteoderms in external (A, C-G) and internal (B) views. Scale bars: 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447815" httpUri="https://zenodo.org/record/4447815/files/figure.png" pageId="5" pageNumber="542">Fig. 14</figureCitation>
).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="17A9652C033AFFE6AD979059D6C6FB00" pageId="5" pageNumber="542" type="description">
<paragraph id="5F0C36A7033AFFE6AD979059D3A5FB8A" blockId="5.[131,775,1074,1124]" pageId="5" pageNumber="542">
LOCALITY AND AGE. — Höwenegg/Hegau (near the city Öhningen), 
<collectingCountry id="27A47637033AFFE6AD909027D28CFB8A" box="[131,224,1100,1124]" name="Germany" pageId="5" pageNumber="542">Germany</collectingCountry>
. Late Miocene (MN 9).
</paragraph>
<paragraph id="5F0C36A7033AFFE6AD979017D0C1FA86" blockId="5.[131,777,1148,1384]" pageId="5" pageNumber="542">
DIFFERENTIAL DIAGNOSIS. — On the basis of the present study, the species 
<taxonomicName id="98B34D24033AFFE6ADE190FCD311FB40" authorityName="Jorg" authorityYear="1965" box="[242,381,1175,1198]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="5" pageNumber="542" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB5033AFFE6ADE190FCD311FB40" box="[242,381,1175,1198]" italics="true" pageId="5" pageNumber="542">O. acuminatus</emphasis>
</taxonomicName>
differs from all fossil and Recent species of 
<taxonomicName id="98B34D24033AFFE6ADB390DAD367FB27" authorityName="Daudin" authorityYear="1803" box="[160,267,1201,1225]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="5" pageNumber="542" phylum="Chordata" rank="genus">
<emphasis id="6DC7EAB5033AFFE6ADB390DAD367FB27" box="[160,267,1201,1225]" italics="true" pageId="5" pageNumber="542">Ophisaurus</emphasis>
</taxonomicName>
by the following distinguished features: 1) distinct ornamentation of nasal and frontal bones (relatively broader and massively developed ridges and tubercles); 2) mediolaterally almost straight posterior margins of posterior ornamented shields of nasals; and 3) on the medial surface of the lower jaw, anterior margin of anterior mylohyoid foramen lies only slightly posterior to the level of posterior margin of anterior inferior alveolar foramen.
</paragraph>
<paragraph id="5F0C36A7033AFFE6AD9791FFD379FA42" blockId="5.[131,777,1428,1709]" box="[132,277,1428,1454]" pageId="5" pageNumber="542">DESCRIPTION</paragraph>
<paragraph id="5F0C36A7033AFFE6AD9791D8D349F943" blockId="5.[131,777,1428,1709]" pageId="5" pageNumber="542">
<bibRefCitation id="3B224B56033AFFE6AD9791D8D36CFA23" author="JORG E." box="[132,256,1459,1486]" pageId="5" pageNumber="542" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg (1965)</bibRefCitation>
described the following bones of skull and lower jaw of 
<taxonomicName id="98B34D24033AFFE6ADC191B8D300FA03" authorityName="Jorg" authorityYear="1965" box="[210,364,1491,1517]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="5" pageNumber="542" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB5033AFFE6ADC191B8D300FA03" box="[210,364,1491,1517]" italics="true" pageId="5" pageNumber="542">O. acuminatus</emphasis>
</taxonomicName>
: prefrontal, maxilla, jugal, pterygoid, dentary, angular, coronoid, surangular, articular and osteoderms. Below, the correctness of the descriptions of these bones is confirmed or modified in the light of a better accessibility to the anatomical data using high-resolution X-ray microcomputed tomography. All other elements described below are new.
</paragraph>
<subSection id="363C2F4C033AFFE6AD9792B9D6C6FB00" pageId="5" pageNumber="542" type="multiple">
<paragraph id="5F0C36A7033AFFE6AD9792B9D2D5F902" blockId="5.[132,185,1746,1772]" box="[132,185,1746,1772]" pageId="5" pageNumber="542">
<heading id="044481CB033AFFE6AD9792B9D2D5F902" box="[132,185,1746,1772]" fontSize="11" level="2" pageId="5" pageNumber="542" reason="8">
<emphasis id="6DC7EAB5033AFFE6AD9792B9D2D5F902" box="[132,185,1746,1772]" italics="true" pageId="5" pageNumber="542">Skull</emphasis>
</heading>
</paragraph>
<paragraph id="5F0C36A7033AFFE6AD97929AD344F805" blockId="5.[131,777,1777,2027]" pageId="5" pageNumber="542">
<emphasis id="6DC7EAB5033AFFE6AD97929AD373F8E5" bold="true" box="[132,287,1777,1803]" pageId="5" pageNumber="542">Septomaxilla.</emphasis>
Most of the body of the right septomaxilla is preserved (
<figureCitation id="C7882A22033AFFE6ADEC9379D339F8C2" box="[255,341,1810,1836]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="5" pageNumber="542">Figs 1B</figureCitation>
; 
<figureCitation id="C7882A22033AFFE6AC719379D31CF8C2" box="[354,368,1810,1836]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="5" pageNumber="542">2</figureCitation>
). Its dorsal wall is smooth. The root portions of the posterolateral and posteromedial processes are preserved. The margin of the septomaxillary process of vomer articulation is rounded. The roof of Jacobson’s chamber is smooth and is surrounded by a distinct marginal crest. The lateral lamina is well-developed and extends ventrolaterally.
</paragraph>
<paragraph id="5F0C36A7033AFFE6AE3E94BCD66DFB81" blockId="5.[811,1457,215,1262]" pageId="5" pageNumber="542">
<emphasis id="6DC7EAB5033AFFE6AE3E94BCD103FF1F" bold="true" box="[813,879,215,241]" pageId="5" pageNumber="542">Nasal.</emphasis>
The nasal is an elongated, paired bone (
<figureCitation id="C7882A22033AFFE6A81794BCD72DFF1F" box="[1284,1345,215,241]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="5" pageNumber="542">Figs 1</figureCitation>
; 
<figureCitation id="C7882A22033AFFE6A85F94BCD736FF1F" box="[1356,1370,215,241]" captionStart="FIG" captionStartId="7.[132,143,1142,1159]" captionTargetBox="[146,1429,215,1077]" captionTargetId="figure-480@7.[694,1256,206,782]" captionTargetPageId="7" captionText="FIG. 3. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, photograph of nasals in dorsal view; B, virtual 3D models of nasals and surrounding osteoderms in dorsal view. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447792" httpUri="https://zenodo.org/record/4447792/files/figure.png" pageId="5" pageNumber="542">3</figureCitation>
; 
<figureCitation id="C7882A22033AFFE6A87694BCD71FFF1F" box="[1381,1395,215,241]" captionStart="FIG" captionStartId="8.[132,143,1591,1608]" captionTargetBox="[145,1442,216,1553]" captionTargetId="figure-204@8.[706,1247,744,1298]" captionTargetPageId="8" captionText="FIG. 4. — A-C, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, virtual 3D models of nasals in dorsal (A) and ventral (B) views; C, reconstruction of posterior ornamented shields in dorsal view; D, E, virtual 3D models of anterior portions of skulls of Ophisaurus ventralis (Linnaeus, 1766) (ZFMK 95414) (D) and Ophisaurus attenuatus Baird, 1880 (DE 43) (E) in dorsal views. Scale bars: A-C, 2 mm; D, 3 mm; E, 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447794" httpUri="https://zenodo.org/record/4447794/files/figure.png" pageId="5" pageNumber="542">4</figureCitation>
A-C). The median suture is straight. The premaxillary process narrows anteromedially. Only the posterior portions of the anterolateral processes are preserved. Their surfaces are smooth. Both processes form a rounded posteromedial margin of the exonarial fenestra. The dorsal surface of nasals is covered with two pairs of ornamented shields. The anterior ornamented shields are slightly smaller than the posterior shields and the right anterior ornamented shield is larger than the left one. The ornamentation consists of distinctly developed ridges and broad intervening grooves. On all four shields the ossification centres are well recognizable. They lie in about the centres of the shields. The right anterior shield is of about semilunar shape; the left anterior shield is of about oval shape. The posterior portion of the right anterior shield extends medially, slightly posterior to the left anterior shield. The posteromedian portions of both anterior shields have a form of a wedge; the wedge fits between the anterior portions of the posterior shields. The anteromedial margin of the right posterior shield is perfectly preserved. It is straight and runs in anterolateral-posteromedial direction. Its anterolateral margin has an anteromedial-posterolateral course and its posterolateral margin runs in anterolateral-posteromedial direction. The right and left posterior ornamented shields meet in more-or-less straight median suture. The posterior margins of the posterior ornamented shields are lateromedially almost straight; this is in contrast to all other anguines (
<figureCitation id="C7882A22033AFFE6AE25903FD11AFB80" box="[822,886,1108,1134]" captionStart="FIG" captionStartId="8.[132,143,1591,1608]" captionTargetBox="[145,1442,216,1553]" captionTargetId="figure-204@8.[706,1247,744,1298]" captionTargetPageId="8" captionText="FIG. 4. — A-C, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, virtual 3D models of nasals in dorsal (A) and ventral (B) views; C, reconstruction of posterior ornamented shields in dorsal view; D, E, virtual 3D models of anterior portions of skulls of Ophisaurus ventralis (Linnaeus, 1766) (ZFMK 95414) (D) and Ophisaurus attenuatus Baird, 1880 (DE 43) (E) in dorsal views. Scale bars: A-C, 2 mm; D, 3 mm; E, 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447794" httpUri="https://zenodo.org/record/4447794/files/figure.png" pageId="5" pageNumber="542">Fig. 4</figureCitation>
, see below).
</paragraph>
<paragraph id="5F0C36A7033AFFE6AE57901FD6C6FB00" blockId="5.[811,1457,215,1262]" pageId="5" pageNumber="542">
The ventral surface of the nasals is finely coarse (
<figureCitation id="C7882A22033AFFE6A843901FD7CEFB61" box="[1360,1442,1140,1167]" captionStart="FIG" captionStartId="8.[132,143,1591,1608]" captionTargetBox="[145,1442,216,1553]" captionTargetId="figure-204@8.[706,1247,744,1298]" captionTargetPageId="8" captionText="FIG. 4. — A-C, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, virtual 3D models of nasals in dorsal (A) and ventral (B) views; C, reconstruction of posterior ornamented shields in dorsal view; D, E, virtual 3D models of anterior portions of skulls of Ophisaurus ventralis (Linnaeus, 1766) (ZFMK 95414) (D) and Ophisaurus attenuatus Baird, 1880 (DE 43) (E) in dorsal views. Scale bars: A-C, 2 mm; D, 3 mm; E, 2.5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447794" httpUri="https://zenodo.org/record/4447794/files/figure.png" pageId="5" pageNumber="542">Fig. 4B</figureCitation>
). The lateral margin of the anterior half of the nasal is distinctly developed and flexed ventrolaterally, thus both nasals form a shallow and wide trough anteriorly.
</paragraph>
</subSection>
</subSubSection>
<subSubSection id="17A9652C033AFFE6AE3E917FD1F8F9C2" pageId="5" pageNumber="542" type="discussion">
<paragraph id="5F0C36A7033AFFE6AE3E917FD7F1FA03" blockId="5.[811,1456,1299,1517]" pageId="5" pageNumber="542">
<emphasis id="6DC7EAB5033AFFE6AE3E917FD1F8FAC0" bold="true" box="[813,916,1300,1326]" pageId="5" pageNumber="542">Remarks.</emphasis>
The only fossil species of 
<taxonomicName id="98B34D24033AFFE6A9B99178D74DFAC3" authorityName="Daudin" authorityYear="1803" box="[1194,1313,1299,1325]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="5" pageNumber="542" phylum="Chordata" rank="genus">
<emphasis id="6DC7EAB5033AFFE6A9B99178D74DFAC3" box="[1194,1313,1299,1325]" italics="true" pageId="5" pageNumber="542">Ophisaurus</emphasis>
</taxonomicName>
in which the nasal is preserved is 
<taxonomicName id="98B34D24033AFFE6AEE9915FD7C6FAA0" authority="(Cernansky &amp; Klembara 2017)" baseAuthorityName="Cernansky &amp; Klembara" baseAuthorityYear="2017" box="[1018,1450,1331,1361]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="5" pageNumber="542" phylum="Chordata" rank="species" species="holeci">
<emphasis id="6DC7EAB5033AFFE6AEE9915FD639FAA3" box="[1018,1109,1331,1358]" italics="true" pageId="5" pageNumber="542">O. holeci</emphasis>
(
<bibRefCitation id="3B224B56033AFFE6A976915ED7F3FAA3" author="CERNANSKY A. &amp; KLEMBARA J." box="[1125,1439,1331,1361]" pageId="5" pageNumber="542" pagination="1333515" refId="ref8576" refString="CERNANSKY A. &amp; KLEMBARA J. 2017. - A skeleton of Ophisaurus (Squamata: Anguidae) from the middle Miocene of Germany, with a revision of the partly articulated postcranial material from Slovakia using micro-computed tomography. Journal ofVertebrate Paleontology 37: e 1333515. https: // doi. org / 10.1080 / 02724634.2017.1333515" type="journal article" year="2017">Čerňanský &amp; Klembara 2017</bibRefCitation>
)
</taxonomicName>
. This specimen is much smaller than that of 
<taxonomicName id="98B34D24033AFFE6A81D913FD7C4FA83" authorityName="Jorg" authorityYear="1965" box="[1294,1448,1364,1390]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="5" pageNumber="542" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB5033AFFE6A81D913FD7C4FA83" box="[1294,1448,1364,1390]" italics="true" pageId="5" pageNumber="542">O. acuminatus</emphasis>
</taxonomicName>
. The ornamentation of its nasal differs substantially from that of 
<taxonomicName id="98B34D24033AFFE6AE5991F8D189FA43" authorityName="Jorg" authorityYear="1965" box="[842,997,1427,1453]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="5" pageNumber="542" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB5033AFFE6AE5991F8D189FA43" box="[842,997,1427,1453]" italics="true" pageId="5" pageNumber="542">O. acuminatus</emphasis>
</taxonomicName>
: it consists of distinct pits of different size and very short grooves. Such ornamentation as present in 
<taxonomicName id="98B34D24033AFFE6AE3D91B8D1E7FA03" baseAuthorityName="Cernansky &amp; Klembara" baseAuthorityYear="2017" box="[814,907,1491,1517]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="5" pageNumber="542" phylum="Chordata" rank="species" species="holeci">
<emphasis id="6DC7EAB5033AFFE6AE3D91B8D1E7FA03" box="[814,907,1491,1517]" italics="true" pageId="5" pageNumber="542">O. holeci</emphasis>
</taxonomicName>
is not present in any other species of 
<taxonomicName id="98B34D24033AFFE6A80C91B8D7FAFA03" authorityName="Daudin" authorityYear="1803" box="[1311,1430,1491,1517]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="5" pageNumber="542" phylum="Chordata" rank="genus">
<emphasis id="6DC7EAB5033AFFE6A80C91B8D7FAFA03" box="[1311,1430,1491,1517]" italics="true" pageId="5" pageNumber="542">Ophisaurus</emphasis>
</taxonomicName>
.
</paragraph>
<subSection id="363C2F4C033AFFE6AE3E9279D1F8F9C2" box="[813,916,1554,1580]" pageId="5" pageNumber="542" type="multiple">
<paragraph id="5F0C36A7033AFFE6AE3E9279D1F8F9C2" blockId="5.[813,916,1554,1580]" box="[813,916,1554,1580]" pageId="5" pageNumber="542">
<heading id="044481CB033AFFE6AE3E9279D1F8F9C2" box="[813,916,1554,1580]" fontSize="11" level="2" pageId="5" pageNumber="542" reason="8">
<emphasis id="6DC7EAB5033AFFE6AE3E9279D1F8F9C2" box="[813,916,1554,1580]" italics="true" pageId="5" pageNumber="542">Prefrontal</emphasis>
</heading>
</paragraph>
</subSection>
</subSubSection>
<subSubSection id="17A9652C033AFFE4AE3E9259D02AF8E2" lastPageId="7" lastPageNumber="544" pageId="5" pageNumber="542" type="description">
<paragraph id="5F0C36A7033AFFE6AE3E9259D65AF805" blockId="5.[811,1457,1586,2028]" pageId="5" pageNumber="542">
The right and left prefrontals are preserved, however, in both bones most of the wall of the olfactory chamber is damaged (
<figureCitation id="C7882A22033AFFE6AE259219D118F963" box="[822,884,1650,1677]" captionStart="FIG" captionStartId="9.[132,143,1765,1782]" captionTargetBox="[132,1450,215,1732]" captionTargetId="figure-129@9.[673,948,781,1065]" captionTargetPageId="9" captionText="FIG. 5. — Ophisaurus acuminatus Jörg, 1965: A-C, SMNK-PAL.8561, photograph (A) and virtual 3D models of right prefrontal in lateral (A, B) and medial (C) views; D, E, SMNK-PAL.8690, virtual 3D models of left prefrontal in lateral (D) and medial (E) views; F, G, posterior portion of left frontal bone in dorsal (F) and ventral (G) views. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447796" httpUri="https://zenodo.org/record/4447796/files/figure.png" pageId="5" pageNumber="542">Fig. 5</figureCitation>
A-E). The prefrontal is of about triangular shape and posteriorly extends into a stout frontal process. The frontal process is well preserved and is almost as long as the rest of the preserved portion of the prefrontal. Along the medial margin of the frontal process, a distinct frontal articulation is present. Only a small portion of the nasal articulation is present at the left prefrontal (
<figureCitation id="C7882A22033AFFE6A977935AD6D8F8A2" box="[1124,1204,1841,1868]" captionStart="FIG" captionStartId="9.[132,143,1765,1782]" captionTargetBox="[132,1450,215,1732]" captionTargetId="figure-129@9.[673,948,781,1065]" captionTargetPageId="9" captionText="FIG. 5. — Ophisaurus acuminatus Jörg, 1965: A-C, SMNK-PAL.8561, photograph (A) and virtual 3D models of right prefrontal in lateral (A, B) and medial (C) views; D, E, SMNK-PAL.8690, virtual 3D models of left prefrontal in lateral (D) and medial (E) views; F, G, posterior portion of left frontal bone in dorsal (F) and ventral (G) views. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447796" httpUri="https://zenodo.org/record/4447796/files/figure.png" pageId="5" pageNumber="542">Fig. 5E</figureCitation>
). The ventrolateral portion of both prefrontals is broken on several places, but the outline of the lacrimal foramen is well recognizable on the right prefrontal (
<figureCitation id="C7882A22033AFFE6AECD93FAD620F842" box="[990,1100,1937,1964]" captionStart="FIG" captionStartId="9.[132,143,1765,1782]" captionTargetBox="[132,1450,215,1732]" captionTargetId="figure-129@9.[673,948,781,1065]" captionTargetPageId="9" captionText="FIG. 5. — Ophisaurus acuminatus Jörg, 1965: A-C, SMNK-PAL.8561, photograph (A) and virtual 3D models of right prefrontal in lateral (A, B) and medial (C) views; D, E, SMNK-PAL.8690, virtual 3D models of left prefrontal in lateral (D) and medial (E) views; F, G, posterior portion of left frontal bone in dorsal (F) and ventral (G) views. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447796" httpUri="https://zenodo.org/record/4447796/files/figure.png" pageId="5" pageNumber="542">Fig. 5A, B</figureCitation>
). The anteriormost portion of the olfactory chamber is deep and well demarcated by a sharp rounded ridge (
<figureCitation id="C7882A22033AFFE6AEC693BAD645F805" box="[981,1065,2001,2028]" captionStart="FIG" captionStartId="9.[132,143,1765,1782]" captionTargetBox="[132,1450,215,1732]" captionTargetId="figure-129@9.[673,948,781,1065]" captionTargetPageId="9" captionText="FIG. 5. — Ophisaurus acuminatus Jörg, 1965: A-C, SMNK-PAL.8561, photograph (A) and virtual 3D models of right prefrontal in lateral (A, B) and medial (C) views; D, E, SMNK-PAL.8690, virtual 3D models of left prefrontal in lateral (D) and medial (E) views; F, G, posterior portion of left frontal bone in dorsal (F) and ventral (G) views. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447796" httpUri="https://zenodo.org/record/4447796/files/figure.png" pageId="5" pageNumber="542">Fig. 5C</figureCitation>
).
</paragraph>
<caption id="0BCC662F0339FFE5AD9793C1D344F807" ID-DOI="http://doi.org/10.5281/zenodo.4447790" ID-Zenodo-Dep="4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="6" pageNumber="543" startId="6.[132,143,1962,1979]" targetBox="[135,1437,216,1873]" targetPageId="6">
<paragraph id="5F0C36A70339FFE5AD9793C1D344F807" blockId="6.[132,1457,1962,2025]" pageId="6" pageNumber="543">
FIG. 2. — 
<emphasis id="6DC7EAB50339FFE5ADC693C1D29BF855" bold="true" box="[213,247,1962,1979]" pageId="6" pageNumber="543">A -D</emphasis>
, 
<taxonomicName id="98B34D240339FFE5AC1193C1D04BF855" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[258,551,1962,1979]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="543" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50339FFE5AC1193C1D3A9F855" box="[258,453,1962,1979]" italics="true" pageId="6" pageNumber="543">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B560339FFE5ACD893C1D04BF855" author="JORG E." box="[459,551,1962,1979]" pageId="6" pageNumber="543" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
</taxonomicName>
, SMNK-PAL.8561: 
<emphasis id="6DC7EAB50339FFE5AFDA93C1D0BAF855" bold="true" box="[713,726,1962,1979]" pageId="6" pageNumber="543">A</emphasis>
, virtual 3D models of individual bones of holotype skull in internal view; 
<emphasis id="6DC7EAB50339FFE5A82293C1D738F855" bold="true" box="[1329,1364,1962,1979]" pageId="6" pageNumber="543">B -D</emphasis>
, right septomaxilla in dorsal (
<emphasis id="6DC7EAB50339FFE5AC3593AAD35FF83C" bold="true" box="[294,307,1985,2002]" pageId="6" pageNumber="543">B</emphasis>
), laterodorsal (
<emphasis id="6DC7EAB50339FFE5ACBC93AAD3D1F83C" bold="true" box="[431,445,1985,2002]" pageId="6" pageNumber="543">C</emphasis>
) and ventral (
<emphasis id="6DC7EAB50339FFE5AF3E93AAD057F83C" bold="true" box="[557,571,1985,2002]" pageId="6" pageNumber="543">D</emphasis>
) views; 
<emphasis id="6DC7EAB50339FFE5AF9793AAD0FCF83C" bold="true" box="[644,656,1985,2002]" pageId="6" pageNumber="543">E</emphasis>
, 
<emphasis id="6DC7EAB50339FFE5AF8993AAD0C9F83C" bold="true" box="[666,677,1985,2002]" pageId="6" pageNumber="543">F</emphasis>
, right septomaxilla of 
<taxonomicName id="98B34D240339FFE5AE4D93AAD675F83C" authorityName="Cope" authorityYear="1880" box="[862,1049,1985,2002]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="6" pageNumber="543" phylum="Chordata" rank="species" species="attenuatus">
<emphasis id="6DC7EAB50339FFE5AE4D93AAD675F83C" box="[862,1049,1985,2002]" italics="true" pageId="6" pageNumber="543">Ophisaurus attenuatus</emphasis>
</taxonomicName>
in dorsal (
<emphasis id="6DC7EAB50339FFE5A96393AAD610F83C" bold="true" box="[1136,1148,1985,2002]" pageId="6" pageNumber="543">E</emphasis>
) and ventral (
<emphasis id="6DC7EAB50339FFE5A9FE93AAD694F83C" bold="true" box="[1261,1272,1985,2002]" pageId="6" pageNumber="543">F</emphasis>
) views. Scale bars: A, 10 mm; B-F, 2 mm.
</paragraph>
</caption>
<paragraph id="5F0C36A70338FFE4AC579053D0CCFBBE" blockId="7.[324,672,1080,1104]" box="[324,672,1080,1104]" pageId="7" pageNumber="544">posterior ornamented shields</paragraph>
<caption id="0BCC662F0338FFE4AD97901DD3A3FB70" ID-DOI="http://doi.org/10.5281/zenodo.4447792" ID-Zenodo-Dep="4447792" httpUri="https://zenodo.org/record/4447792/files/figure.png" pageId="7" pageNumber="544" startId="7.[132,143,1142,1159]" targetBox="[146,1429,215,1077]" targetPageId="7">
<paragraph id="5F0C36A70338FFE4AD97901DD3A3FB70" blockId="7.[132,1455,1142,1182]" pageId="7" pageNumber="544">
FIG. 3. — 
<taxonomicName id="98B34D240338FFE4ADC6901DD397FB69" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[213,507,1142,1159]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="7" pageNumber="544" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50338FFE4ADC6901DD3F4FB69" box="[213,408,1142,1159]" italics="true" pageId="7" pageNumber="544">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B560338FFE4AC8D901DD397FB69" author="JORG E." box="[414,507,1142,1159]" pageId="7" pageNumber="544" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
</taxonomicName>
, SMNK-PAL.8561: 
<emphasis id="6DC7EAB50338FFE4AF8E901DD0C6FB69" bold="true" box="[669,682,1142,1159]" pageId="7" pageNumber="544">A</emphasis>
, photograph of nasals in dorsal view; 
<emphasis id="6DC7EAB50338FFE4AEF9901DD19BFB69" bold="true" box="[1002,1015,1142,1159]" pageId="7" pageNumber="544">B</emphasis>
, virtual 3D models of nasals and surrounding osteoderms in dorsal view. Scale bar: 2 mm.
</paragraph>
</caption>
<subSection id="363C2F4C0338FFE4AD9790BFD02AF8E2" pageId="7" pageNumber="544" type="multiple">
<paragraph id="5F0C36A70338FFE4AD9790BFD2BCFB00" blockId="7.[132,208,1236,1262]" box="[132,208,1236,1262]" pageId="7" pageNumber="544">
<heading id="044481CB0338FFE4AD9790BFD2BCFB00" box="[132,208,1236,1262]" fontSize="11" level="2" pageId="7" pageNumber="544" reason="8">
<emphasis id="6DC7EAB50338FFE4AD9790BFD2BCFB00" box="[132,208,1236,1262]" italics="true" pageId="7" pageNumber="544">Frontal</emphasis>
</heading>
</paragraph>
<paragraph id="5F0C36A70338FFE4AD979098D02AF8E2" blockId="7.[130,777,1267,1805]" pageId="7" pageNumber="544">
The posterior portion of the left frontal is preserved (
<figureCitation id="C7882A220338FFE4AF879098D097FAE0" box="[660,763,1267,1294]" captionStart="FIG" captionStartId="9.[132,143,1765,1782]" captionTargetBox="[132,1450,215,1732]" captionTargetId="figure-129@9.[673,948,781,1065]" captionTargetPageId="9" captionText="FIG. 5. — Ophisaurus acuminatus Jörg, 1965: A-C, SMNK-PAL.8561, photograph (A) and virtual 3D models of right prefrontal in lateral (A, B) and medial (C) views; D, E, SMNK-PAL.8690, virtual 3D models of left prefrontal in lateral (D) and medial (E) views; F, G, posterior portion of left frontal bone in dorsal (F) and ventral (G) views. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447796" httpUri="https://zenodo.org/record/4447796/files/figure.png" pageId="7" pageNumber="544">Fig. 5F, G</figureCitation>
). The dorsal ornamented surface is distinct. The ornamentation reaches the orbital margin of the preserved portion of the frontal. The lateral frontal sulcus is slightly longer than the medial frontal sulcus.The lateral frontal sulcus runs in anterolateral-posteromedial direction.The medial frontal sulcus is shorter and has a mediolateral course. The place of junction of both sulci is overlapped by ornamentation. The territory of the dorsal surface of the frontal, posterior to both sulci, is also distinctly ornamented, so the junction of the frontoparietal and interfrontal shields is obscured. The posterolateral process is distinct. Most of its dorsal surface is covered by the frontoparietal shield. Only posteriormost surface of the posterolateral process is smooth (
<figureCitation id="C7882A220338FFE4AF349219D01AF963" box="[551,630,1650,1677]" captionStart="FIG" captionStartId="9.[132,143,1765,1782]" captionTargetBox="[132,1450,215,1732]" captionTargetId="figure-129@9.[673,948,781,1065]" captionTargetPageId="9" captionText="FIG. 5. — Ophisaurus acuminatus Jörg, 1965: A-C, SMNK-PAL.8561, photograph (A) and virtual 3D models of right prefrontal in lateral (A, B) and medial (C) views; D, E, SMNK-PAL.8690, virtual 3D models of left prefrontal in lateral (D) and medial (E) views; F, G, posterior portion of left frontal bone in dorsal (F) and ventral (G) views. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447796" httpUri="https://zenodo.org/record/4447796/files/figure.png" pageId="7" pageNumber="544">Fig. 5F</figureCitation>
). Most of the ventral surface of the frontal is smooth. A low ridge runs close to the lateral margin of the bone and fades out at the posterolateral process of the frontal. This ridge represents the posteriormost portion of the frontal cranial crest (
<figureCitation id="C7882A220338FFE4ACFB9299D055F8E2" box="[488,569,1778,1805]" captionStart="FIG" captionStartId="9.[132,143,1765,1782]" captionTargetBox="[132,1450,215,1732]" captionTargetId="figure-129@9.[673,948,781,1065]" captionTargetPageId="9" captionText="FIG. 5. — Ophisaurus acuminatus Jörg, 1965: A-C, SMNK-PAL.8561, photograph (A) and virtual 3D models of right prefrontal in lateral (A, B) and medial (C) views; D, E, SMNK-PAL.8690, virtual 3D models of left prefrontal in lateral (D) and medial (E) views; F, G, posterior portion of left frontal bone in dorsal (F) and ventral (G) views. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447796" httpUri="https://zenodo.org/record/4447796/files/figure.png" pageId="7" pageNumber="544">Fig. 5G</figureCitation>
).
</paragraph>
</subSection>
</subSubSection>
<subSubSection id="17A9652C0338FFE4AD97935AD1F7FB00" pageId="7" pageNumber="544" type="discussion">
<paragraph id="5F0C36A70338FFE4AD97935AD164F802" blockId="7.[130,776,1841,2028]" pageId="7" pageNumber="544">
Remarks.Although the potential junction of the lateral and medial frontal sulci is partially obscured,it is possible to estimate that the lateral sulcus is longer that the medial sulcus. Such condition is present in the frontal bones in several modern species of 
<taxonomicName id="98B34D240338FFE4AFB993FAD2CDF825" authorityName="Daudin" authorityYear="1803" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="7" pageNumber="544" phylum="Chordata" rank="genus">
<emphasis id="6DC7EAB50338FFE4AFB993FAD2CDF825" italics="true" pageId="7" pageNumber="544">Ophisaurus</emphasis>
</taxonomicName>
, as well as those found in the Cenozoic of Europe and North Africa (e.g., 
<bibRefCitation id="3B224B560338FFE4ADE593BAD3C1F805" author="DELFINO M. &amp; BAILON S. &amp; PITRUZZELLA G." box="[246,429,2001,2027]" pageId="7" pageNumber="544" pagination="357 - 382" refId="ref8742" refString="DELFINO M., BAILON S. &amp; PITRUZZELLA G. 2011. - The Late Pliocene amphibians and reptiles from &quot; Capo Mannu D 1 Local Fauna &quot; (Mandriola, Sardinia, Italy). Geodiversitas 33: 357 - 382. https: // doi. org / 10.5252 / g 2011 n 2 a 10" type="journal article" year="2011">
Delfino 
<emphasis id="6DC7EAB50338FFE4AC5A93B9D31AF805" box="[329,374,2001,2027]" italics="true" pageId="7" pageNumber="544">et al.</emphasis>
2011
</bibRefCitation>
; 
<bibRefCitation id="3B224B560338FFE4ACAB93BAD038F805" author="BLAIN H. A. &amp; AGUSTI J. &amp; GARCIA J. M. &amp; HADDOUMI H. &amp; AGHE H. &amp; HAMMOUTI K. E. &amp; GONZALES A. &amp; CHACON M. G. &amp; SALA R." box="[440,596,2001,2027]" pageId="7" pageNumber="544" pagination="804 - 816" refId="ref8286" refString="BLAIN H. A., AGUSTI J., LOPEZ- GARCIA J. M., HADDOUMI H., AOUR- AGHE H., HAMMOUTI K. E., PEREZ- GONZALES A., CHACON M. G. &amp; SALA R. 2013. - Amphibians and squamate reptiles from the Late Miocene (Vallesian) of Eastern Morocco (Guefait- 1, Jerada Province). Journal of Vertebrate Paleontology 33: 804 - 816. https: // doi. org / 10.1080 / 02724634.2013.740541" type="journal article" year="2013">
Blain 
<emphasis id="6DC7EAB50338FFE4ACE393B9D072F805" box="[496,542,2001,2027]" italics="true" pageId="7" pageNumber="544">et al.</emphasis>
2013
</bibRefCitation>
; 
<bibRefCitation id="3B224B560338FFE4AF4C93BAD094F802" author="KLEMBARA J." box="[607,760,2001,2028]" pageId="7" pageNumber="544" pagination="171 - 195" refId="ref9318" refString="KLEMBARA J. 2015. - New finds of anguines (Squamata, Anguidae) from the Early Miocene of North-West Bohemia (Czech Republic). Palaontologische Zeitschrift 89: 171 - 195. https: // doi. org / 10.1007 / s 12542 - 014 - 0226 - 4" type="journal article" year="2015">Klembara 2015</bibRefCitation>
).
</paragraph>
<subSection id="363C2F4C0338FFE4AE3E90BFD1F7FB00" box="[813,923,1236,1262]" pageId="7" pageNumber="544" type="multiple">
<paragraph id="5F0C36A70338FFE4AE3E90BFD1F7FB00" blockId="7.[813,923,1236,1262]" box="[813,923,1236,1262]" pageId="7" pageNumber="544">
<heading id="044481CB0338FFE4AE3E90BFD1F7FB00" box="[813,923,1236,1262]" fontSize="11" level="2" pageId="7" pageNumber="544" reason="8">
<emphasis id="6DC7EAB50338FFE4AE3E90BFD1F7FB00" box="[813,923,1236,1262]" italics="true" pageId="7" pageNumber="544">Postfrontal</emphasis>
</heading>
</paragraph>
</subSection>
</subSubSection>
<subSubSection id="17A9652C0338FFE9AE3E9098D196F9E3" lastPageId="10" lastPageNumber="547" pageId="7" pageNumber="544" type="description">
<paragraph id="5F0C36A70338FFE4AE3E9098D644F902" blockId="7.[811,1458,1267,1772]" pageId="7" pageNumber="544">
The right complete postfrontal and almost complete left postfrontal are preserved (
<figureCitation id="C7882A220338FFE4A9759178D6C7FAC3" box="[1126,1195,1299,1325]" captionStart="FIG" captionStartId="10.[132,143,1209,1226]" captionTargetBox="[163,1424,214,1168]" captionTargetId="figure-423@10.[377,1004,208,741]" captionTargetPageId="10" captionText="FIG. 6. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, right postfrontal in dorsolateral (A) and ventrolateral (B) views; C, D, left postfrontal in dorsolateral (C) and ventrolateral (D) views. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447798" httpUri="https://zenodo.org/record/4447798/files/figure.png" pageId="7" pageNumber="544">Fig. 6</figureCitation>
). The postfrontal is a triradiate bone consisting of the frontal, jugal and long parietal processes. The jugal process is slightly shorter than the frontal process. The rounded orbital margin is the deepest at the level of the long ventrolateral margin of the parietal process. The anteriorly tapering frontal process bears a deep groove for the articulation with the frontal. The groove gradually continues posteriorly and forms the articulating surface for the parietal. Short jugal and long postorbital articulating surfaces are better developed on the right postfrontal. The parietal process is of rectangular shape and bears a foramen at its posterior end (present only on the left postfrontal). The left postfrontal shows a dorsoventrally broad articular surface for the anterolateral process of the parietal.
</paragraph>
<subSection id="363C2F4C0338FFEBAE3E9379D63AF805" lastPageId="8" lastPageNumber="545" pageId="7" pageNumber="544" type="multiple">
<paragraph id="5F0C36A70338FFE4AE3E9379D1EEF8C2" blockId="7.[813,898,1810,1836]" box="[813,898,1810,1836]" pageId="7" pageNumber="544">
<heading id="044481CB0338FFE4AE3E9379D1EEF8C2" box="[813,898,1810,1836]" fontSize="11" level="2" pageId="7" pageNumber="544" reason="8">
<emphasis id="6DC7EAB50338FFE4AE3E9379D1EEF8C2" box="[813,898,1810,1836]" italics="true" pageId="7" pageNumber="544">Maxilla</emphasis>
</heading>
</paragraph>
<paragraph id="5F0C36A70338FFE4AE3E935AD7C3F802" blockId="7.[813,1456,1841,2028]" pageId="7" pageNumber="544">
The left maxilla is almost completely preser ved (
<figureCitation id="C7882A220338FFE4AE25933AD115F882" box="[822,889,1873,1900]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="7" pageNumber="544">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220338FFE4AE9A9339D1C0F882" box="[905,940,1874,1900]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="7" pageNumber="544">2A</figureCitation>
; 
<figureCitation id="C7882A220338FFE4AEAA9339D1ABF882" box="[953,967,1874,1900]" captionStart="FIG" captionStartId="11.[132,143,1460,1477]" captionTargetBox="[132,1449,215,1416]" captionTargetId="figure-283@11.[659,1211,730,1272]" captionTargetPageId="11" captionText="FIG. 7. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, photographs of left maxilla (A) and detail of teeth (B) in lateral view; C, D, virtual 3D model of left maxilla in lateral (C) and medial (D) views; E-G, photograph (E) and virtual 3D models (F, G) of left jugal in lateral (E, F) and medial (G) views. Scale bars: A, B, 1 mm; C, D, 5 mm; E-G, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447800" httpUri="https://zenodo.org/record/4447800/files/figure.png" pageId="7" pageNumber="544">7</figureCitation>
A-D). Its nasal process is prominent and of trapezoidal shape. The dorsal portion of the nasal process is slightly curved medially. The external surface of the maxilla is rather smooth; a weak rugosity is present only in its anterior portion. The surface ventral to the nasal process
</paragraph>
<caption id="0BCC662F0337FFEBAD97925CD66CF99B" ID-DOI="http://doi.org/10.5281/zenodo.4447794" ID-Zenodo-Dep="4447794" httpUri="https://zenodo.org/record/4447794/files/figure.png" pageId="8" pageNumber="545" startId="8.[132,143,1591,1608]" targetBox="[145,1442,216,1553]" targetPageId="8">
<paragraph id="5F0C36A70337FFEBAD97925CD66CF99B" blockId="8.[132,1455,1470,1653]" pageId="8" pageNumber="545">
FIG. 4. — 
<emphasis id="6DC7EAB50337FFEBADC5925CD294F9A6" bold="true" box="[214,248,1591,1608]" pageId="8" pageNumber="545">A -C</emphasis>
, 
<taxonomicName id="98B34D240337FFEBAC11925CD044F9A6" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[258,552,1591,1608]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="8" pageNumber="545" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50337FFEBAC11925CD3AAF9A6" box="[258,454,1591,1608]" italics="true" pageId="8" pageNumber="545">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B560337FFEBACDF925CD044F9A6" author="JORG E." box="[460,552,1591,1608]" pageId="8" pageNumber="545" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
</taxonomicName>
, SMNK-PAL.8561: 
<emphasis id="6DC7EAB50337FFEBAFD8925CD0B4F9A6" bold="true" box="[715,728,1591,1608]" pageId="8" pageNumber="545">A</emphasis>
, 
<emphasis id="6DC7EAB50337FFEBAFF1925CD083F9A6" bold="true" box="[738,751,1591,1608]" pageId="8" pageNumber="545">B</emphasis>
, virtual 3D models of nasals in dorsal (
<emphasis id="6DC7EAB50337FFEBA924925CD628F9A6" bold="true" box="[1079,1092,1591,1608]" pageId="8" pageNumber="545">A</emphasis>
) and ventral (
<emphasis id="6DC7EAB50337FFEBA9A5925CD6AFF9A6" bold="true" box="[1206,1219,1591,1608]" pageId="8" pageNumber="545">B</emphasis>
) views; 
<emphasis id="6DC7EAB50337FFEBA81B925CD77AF9A6" bold="true" box="[1288,1302,1591,1608]" pageId="8" pageNumber="545">C</emphasis>
, reconstruction of posterior ornamented shields in dorsal view; 
<emphasis id="6DC7EAB50337FFEBACEA9225D06BF9B1" bold="true" box="[505,519,1614,1631]" pageId="8" pageNumber="545">D</emphasis>
, 
<emphasis id="6DC7EAB50337FFEBAF029225D071F9B1" bold="true" box="[529,541,1614,1631]" pageId="8" pageNumber="545">E</emphasis>
, virtual 3D models of anterior portions of skulls of 
<taxonomicName id="98B34D240337FFEBAEAC9225D69FF9B1" authority="(Linnaeus, 1766)" baseAuthorityName="Linnaeus" baseAuthorityYear="1766" box="[959,1267,1614,1631]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="8" pageNumber="545" phylum="Chordata" rank="species" species="ventralis">
<emphasis id="6DC7EAB50337FFEBAEAC9225D60AF9B1" box="[959,1126,1614,1631]" italics="true" pageId="8" pageNumber="545">Ophisaurus ventralis</emphasis>
(
<bibRefCitation id="3B224B560337FFEBA9639225D683F9B1" author="LINNAEUS C. VON" box="[1136,1263,1614,1631]" pageId="8" pageNumber="545" pagination="1 - 532" refId="ref9715" refString="LINNAEUS C. VON 1766. - Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio duodecima, reformata. Laurentii Salvii, Stockholm, Holmiae: 1 - 532. https: // gallica. bnf. fr / ark: / 12148 / bpt 6 k 99004 c" type="book chapter" year="1766">Linnaeus, 1766</bibRefCitation>
)
</taxonomicName>
(ZFMK 95414) (
<emphasis id="6DC7EAB50337FFEBA86B9225D7EAF9B1" bold="true" box="[1400,1414,1614,1631]" pageId="8" pageNumber="545">D</emphasis>
) and 
<taxonomicName id="98B34D240337FFEBAD97920FD3C9F99B" authority="Baird, 1880" authorityName="Baird" authorityYear="1880" box="[132,421,1636,1653]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="8" pageNumber="545" phylum="Chordata" rank="species" species="attenuatus">
<emphasis id="6DC7EAB50337FFEBAD97920FD353F99B" box="[132,319,1636,1653]" italics="true" pageId="8" pageNumber="545">Ophisaurus attenuatus</emphasis>
Baird, 1880
</taxonomicName>
(DE 43) (
<emphasis id="6DC7EAB50337FFEBACE3920FD390F99B" bold="true" box="[496,508,1636,1653]" pageId="8" pageNumber="545">E</emphasis>
) in dorsal views. Scale bars: A-C, 2 mm; D, 3 mm; E, 2.5 mm.
</paragraph>
</caption>
<paragraph id="5F0C36A70337FFEBAD9792B9D63AF805" blockId="8.[131,777,1746,2027]" lastBlockId="8.[811,1457,1746,2027]" pageId="8" pageNumber="545">
is pierced by seven labial foramina of various size. They are arranged in a single line. A shallow groove is associated with the posteriormost foramen which is located at the level of the 7th tooth position (counted from posterior). The posterior portion of the maxilla gradually dorsoventrally narrows into a pointed process. Its dorsal margin, gradually passing into the posterior margin of the nasal process, is almost straight. The anterior margin of the maxilla is concave and forms the posterodorsal margin of the exonarial fenestra. Unfortunately, both rami of the premaxillary process are broken. In medial aspect, the maxilla bears a slightly dorsally convex supradental shelf (
<emphasis id="6DC7EAB50337FFEBA99A9379D6D3F8C5" box="[1161,1215,1810,1835]" italics="true" pageId="8" pageNumber="545">sensu</emphasis>
<bibRefCitation id="3B224B560337FFEBA9D49379D7F2F8C2" author="RAGE J. - C. &amp; AUGE M." box="[1223,1438,1810,1836]" pageId="8" pageNumber="545" pagination="253 - 268" refId="ref9965" refString="RAGE J. - C. &amp; AUGE M. 2010. - Squamate reptiles from the middle Eocene of Lissieu (France). A landmark in the middle Eocene of Europe. Geobios 43: 253 - 268. https: // doi. org / 10.1016 / j. geobios. 2009.08.002" type="journal article" year="2010">Rage &amp; Augé 2010</bibRefCitation>
). It bears 14 tooth positions (nine teeth are preserved). The palatine articulation lies at the level of 5th and 6th tooth positions (counted from posterior). Immediately anterior to it, a large superior alveolar foramen is located. On the medial surface of the nasal process, a distinct rugosity marks the prefrontal articulation.
</paragraph>
</subSection>
<caption id="0BCC662F0336FFEAAD97928ED3DDF8CA" ID-DOI="http://doi.org/10.5281/zenodo.4447796" ID-Zenodo-Dep="4447796" httpUri="https://zenodo.org/record/4447796/files/figure.png" pageId="9" pageNumber="546" startId="9.[132,143,1765,1782]" targetBox="[132,1450,215,1732]" targetPageId="9">
<paragraph id="5F0C36A70336FFEAAD97928ED3DDF8CA" blockId="9.[132,1455,1765,1828]" pageId="9" pageNumber="546">
FIG. 5. — 
<taxonomicName id="98B34D240336FFEAADC4928ED06CF918" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[215,512,1765,1782]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="9" pageNumber="546" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50336FFEAADC4928ED3F0F918" box="[215,412,1765,1782]" italics="true" pageId="9" pageNumber="546">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B560336FFEAACB1928ED06CF918" author="JORG E." box="[418,512,1765,1782]" pageId="9" pageNumber="546" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
</taxonomicName>
: 
<emphasis id="6DC7EAB50336FFEAAF1B928ED046F918" bold="true" box="[520,554,1765,1782]" pageId="9" pageNumber="546">A -C</emphasis>
, SMNK-PAL.8561, photograph (
<emphasis id="6DC7EAB50336FFEAAE2E928ED126F918" bold="true" box="[829,842,1765,1782]" pageId="9" pageNumber="546">A</emphasis>
) and virtual 3D models of right prefrontal in lateral (
<emphasis id="6DC7EAB50336FFEAA810928ED77CF918" bold="true" box="[1283,1296,1765,1782]" pageId="9" pageNumber="546">A</emphasis>
, 
<emphasis id="6DC7EAB50336FFEAA808928ED744F918" bold="true" box="[1307,1320,1765,1782]" pageId="9" pageNumber="546">B</emphasis>
) and medial (
<emphasis id="6DC7EAB50336FFEAA88F928ED7C6F918" bold="true" box="[1436,1450,1765,1782]" pageId="9" pageNumber="546">C</emphasis>
) views; 
<emphasis id="6DC7EAB50336FFEAADAD9297D2A0F8E3" bold="true" box="[190,204,1788,1805]" pageId="9" pageNumber="546">D</emphasis>
, 
<emphasis id="6DC7EAB50336FFEAADC49297D28FF8E3" bold="true" box="[215,227,1788,1805]" pageId="9" pageNumber="546">E</emphasis>
, SMNK-PAL.8690, virtual 3D models of left prefrontal in lateral (
<emphasis id="6DC7EAB50336FFEAAFE99297D164F8E3" bold="true" box="[762,776,1788,1805]" pageId="9" pageNumber="546">D</emphasis>
) and medial (
<emphasis id="6DC7EAB50336FFEAAE6A9297D1E9F8E3" bold="true" box="[889,901,1788,1805]" pageId="9" pageNumber="546">E</emphasis>
) views; 
<emphasis id="6DC7EAB50336FFEAAED99297D1B9F8E3" bold="true" box="[970,981,1788,1805]" pageId="9" pageNumber="546">F</emphasis>
, 
<emphasis id="6DC7EAB50336FFEAAECC9297D181F8E3" bold="true" box="[991,1005,1788,1805]" pageId="9" pageNumber="546">G</emphasis>
, posterior portion of left frontal bone in dorsal (
<emphasis id="6DC7EAB50336FFEAA8699297D7E9F8E3" bold="true" box="[1402,1413,1788,1805]" pageId="9" pageNumber="546">F</emphasis>
) and ventral (
<emphasis id="6DC7EAB50336FFEAADD59378D2B8F8CA" bold="true" box="[198,212,1811,1828]" pageId="9" pageNumber="546">G</emphasis>
) views. Scale bars: 2 mm.
</paragraph>
</caption>
<subSection id="363C2F4C0336FFEAAD97933AD19FF802" pageId="9" pageNumber="546" type="multiple">
<paragraph id="5F0C36A70336FFEAAD97933AD2D4F885" blockId="9.[132,184,1873,1899]" box="[132,184,1873,1899]" pageId="9" pageNumber="546">
<heading id="044481CB0336FFEAAD97933AD2D4F885" box="[132,184,1873,1899]" fontSize="11" level="2" pageId="9" pageNumber="546" reason="8">
<emphasis id="6DC7EAB50336FFEAAD97933AD2D4F885" box="[132,184,1873,1899]" italics="true" pageId="9" pageNumber="546">Jugal</emphasis>
</heading>
</paragraph>
<paragraph id="5F0C36A70336FFEAAD979319D19FF802" blockId="9.[132,775,1905,2028]" lastBlockId="9.[811,1456,1873,2028]" pageId="9" pageNumber="546">
Most of the left jugal is preserved (
<figureCitation id="C7882A220336FFEAAF00931AD03AF865" box="[531,598,1905,1931]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="9" pageNumber="546">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220336FFEAAF75931AD0E6F862" box="[614,650,1905,1932]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="9" pageNumber="546">2A</figureCitation>
; 
<figureCitation id="C7882A220336FFEAAF859319D0B5F862" box="[662,729,1906,1932]" captionStart="FIG" captionStartId="11.[132,143,1460,1477]" captionTargetBox="[132,1449,215,1416]" captionTargetId="figure-283@11.[659,1211,730,1272]" captionTargetPageId="11" captionText="FIG. 7. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, photographs of left maxilla (A) and detail of teeth (B) in lateral view; C, D, virtual 3D model of left maxilla in lateral (C) and medial (D) views; E-G, photograph (E) and virtual 3D models (F, G) of left jugal in lateral (E, F) and medial (G) views. Scale bars: A, B, 1 mm; C, D, 5 mm; E-G, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447800" httpUri="https://zenodo.org/record/4447800/files/figure.png" pageId="9" pageNumber="546">7E, F</figureCitation>
). In the central portion, the external surface of the jugal is pierced by two foramina – a large suborbital foramen and an additional smaller foramen located slightly posterodor-sally to it. The posterior portion of the suborbital process is robustly constructed. The internal surface of the jugal bears a medial ridge. The base of the posteroventral process of the jugal is well preserved and indicates the presence of a distinct process.
</paragraph>
</subSection>
<caption id="0BCC662F0335FFE9AD9790D2D00FFB0F" ID-DOI="http://doi.org/10.5281/zenodo.4447798" ID-Zenodo-Dep="4447798" httpUri="https://zenodo.org/record/4447798/files/figure.png" pageId="10" pageNumber="547" startId="10.[132,143,1209,1226]" targetBox="[163,1424,214,1168]" targetPageId="10">
<paragraph id="5F0C36A70335FFE9AD9790D2D00FFB0F" blockId="10.[132,1455,1209,1249]" pageId="10" pageNumber="547">
FIG. 6. — 
<taxonomicName id="98B34D240335FFE9ADC790D2D39BFB24" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[212,503,1209,1226]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="547" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50335FFE9ADC790D2D3FAFB24" box="[212,406,1209,1226]" italics="true" pageId="10" pageNumber="547">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B560335FFE9AC8F90D2D39BFB24" author="JORG E." box="[412,503,1209,1226]" pageId="10" pageNumber="547" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
</taxonomicName>
, SMNK-PAL.8561: 
<emphasis id="6DC7EAB50335FFE9AF8B90D2D0C9FB24" bold="true" box="[664,677,1209,1226]" pageId="10" pageNumber="547">A</emphasis>
, 
<emphasis id="6DC7EAB50335FFE9AFBC90D2D0D0FB24" bold="true" box="[687,700,1209,1226]" pageId="10" pageNumber="547">B</emphasis>
, right postfrontal in dorsolateral (
<emphasis id="6DC7EAB50335FFE9AEDC90D2D1B0FB24" bold="true" box="[975,988,1209,1226]" pageId="10" pageNumber="547">A</emphasis>
) and ventrolateral (
<emphasis id="6DC7EAB50335FFE9A96890D2D6E4FB24" bold="true" box="[1147,1160,1209,1226]" pageId="10" pageNumber="547">B</emphasis>
) views; 
<emphasis id="6DC7EAB50335FFE9A9D890D2D6B5FB24" bold="true" box="[1227,1241,1209,1226]" pageId="10" pageNumber="547">C</emphasis>
, 
<emphasis id="6DC7EAB50335FFE9A9F090D2D69DFB24" bold="true" box="[1251,1265,1209,1226]" pageId="10" pageNumber="547">D</emphasis>
, left postfrontal in dorsolateral (
<emphasis id="6DC7EAB50335FFE9ADC690BBD28FFB0F" bold="true" box="[213,227,1232,1249]" pageId="10" pageNumber="547">C</emphasis>
) and ventrolateral (
<emphasis id="6DC7EAB50335FFE9AC9190BBD3FCFB0F" bold="true" box="[386,400,1232,1249]" pageId="10" pageNumber="547">D</emphasis>
) views. Scale bar: 2 mm.
</paragraph>
</caption>
<subSection id="363C2F4C0335FFE9AD979178D05AF902" pageId="10" pageNumber="547" type="multiple">
<paragraph id="5F0C36A70335FFE9AD979178D2B5FAC3" blockId="10.[132,217,1299,1325]" box="[132,217,1299,1325]" pageId="10" pageNumber="547">
<heading id="044481CB0335FFE9AD979178D2B5FAC3" box="[132,217,1299,1325]" fontSize="11" level="2" pageId="10" pageNumber="547" reason="8">
<emphasis id="6DC7EAB50335FFE9AD979178D2B5FAC3" box="[132,217,1299,1325]" italics="true" pageId="10" pageNumber="547">Palatine</emphasis>
</heading>
</paragraph>
<paragraph id="5F0C36A70335FFE9AD979158D05AF902" blockId="10.[130,777,1331,1772]" pageId="10" pageNumber="547">
Almost completely preserved right palatine is present (
<figureCitation id="C7882A220335FFE9AFA79158D2F4FA80" captionStart="FIG" captionStartId="12.[147,158,856,873]" captionTargetBox="[183,1405,213,814]" captionTargetId="figure-653@12.[372,896,193,765]" captionTargetPageId="12" captionText="FIG. 8. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, virtual 3D models of right palatine in ventral (A) and dorsal (B) views. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447803" httpUri="https://zenodo.org/record/4447803/files/figure.png" pageId="10" pageNumber="547">Fig. 8A, B</figureCitation>
). It is an anteroposteriorly elongated and flat bone. The proximal portion of the maxillary process is preserved and contains the infraorbital foramen. The vomerine process is straight, slender, much longer than the maxillary process and tapers anteriorly.The pterygoid process extends posteriorly, and the pterygoid articulation is distinct. On the ventral surface of the palatine the lateral margin of the pterygoid articulation forms a crest medially limiting the rows of teeth positions. The teeth are not preserved, but a short anteroposteriorly running series of pits indicating their positions is clearly recognizable (
<figureCitation id="C7882A220335FFE9AC0A92F9D300F942" box="[281,364,1682,1708]" captionStart="FIG" captionStartId="12.[147,158,856,873]" captionTargetBox="[183,1405,213,814]" captionTargetId="figure-653@12.[372,896,193,765]" captionTargetPageId="12" captionText="FIG. 8. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, virtual 3D models of right palatine in ventral (A) and dorsal (B) views. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447803" httpUri="https://zenodo.org/record/4447803/files/figure.png" pageId="10" pageNumber="547">Fig. 8A</figureCitation>
). Most of the dorsal surface is smooth. On the dorsal surface the palatine groove is distinct and runs in anteromedial-posterolateral direction.
</paragraph>
</subSection>
<subSection id="363C2F4C0335FFE9AD979379D196F9E3" pageId="10" pageNumber="547" type="multiple">
<paragraph id="5F0C36A70335FFE9AD979379D288F8C2" blockId="10.[132,228,1810,1836]" box="[132,228,1810,1836]" pageId="10" pageNumber="547">
<heading id="044481CB0335FFE9AD979379D288F8C2" box="[132,228,1810,1836]" fontSize="11" level="2" pageId="10" pageNumber="547" reason="8">
<emphasis id="6DC7EAB50335FFE9AD979379D288F8C2" box="[132,228,1810,1836]" italics="true" pageId="10" pageNumber="547">Pterygoid</emphasis>
</heading>
</paragraph>
<paragraph id="5F0C36A70335FFE9AD97935AD196F9E3" blockId="10.[130,777,1841,2028]" lastBlockId="10.[811,1457,1299,1549]" pageId="10" pageNumber="547">
Both pterygoids are preserved (
<figureCitation id="C7882A220335FFE9ACCA935AD070F8A2" box="[473,540,1841,1868]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="10" pageNumber="547">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220335FFE9AF389359D055F8A2" box="[555,569,1842,1868]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="10" pageNumber="547">2</figureCitation>
; 
<figureCitation id="C7882A220335FFE9AF5B9359D03AF8A2" box="[584,598,1842,1868]" captionStart="FIG" captionStartId="13.[132,142,1443,1460]" captionTargetBox="[138,1449,214,1402]" captionTargetId="figure-332@13.[713,1279,763,1329]" captionTargetPageId="13" captionText="FIG. 9. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-C, left pterygoid in dorsal (A) and ventral (B, C) views; D, detail of its denticulate field of the same pterygoid;E, F, virtual 3D models of right pterygoid in ventral (E) and dorsal (F) views. Scale bars: A-C,E, F, 2 mm; D, 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447805" httpUri="https://zenodo.org/record/4447805/files/figure.png" pageId="10" pageNumber="547">9</figureCitation>
). The pterygoid is a triradiate bone. The anteriormost portion of the palatine process is missing. However, most of the denticle field is well preserved. The pterygoid sulcus is deep and broad and gradually narrows posteriorly (
<figureCitation id="C7882A220335FFE9ACD693DAD05DF822" box="[453,561,1969,1996]" captionStart="FIG" captionStartId="13.[132,142,1443,1460]" captionTargetBox="[138,1449,214,1402]" captionTargetId="figure-332@13.[713,1279,763,1329]" captionTargetPageId="13" captionText="FIG. 9. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-C, left pterygoid in dorsal (A) and ventral (B, C) views; D, detail of its denticulate field of the same pterygoid;E, F, virtual 3D models of right pterygoid in ventral (E) and dorsal (F) views. Scale bars: A-C,E, F, 2 mm; D, 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447805" httpUri="https://zenodo.org/record/4447805/files/figure.png" pageId="10" pageNumber="547">Fig. 9B, E</figureCitation>
). The anterolaterally extending transverse process bears a well-developed ectoptery-goid articulation. The quadrate process is long and straight and bears a long pterygoid groove at its dorsal surface. The groove is anteriorly confluent with the epipterygoid fossa. The basipterygoid articulation is shallow. The obtuse process is distinct and rounded. The epipterygoid fossa lies at the level of the posterior portion of the obtuse process. The body of the pterygoid is narrowest in a short distance anteriorly to the obtuse process.
</paragraph>
</subSection>
</subSubSection>
<subSubSection id="17A9652C0335FFE8AE3E9258D3E3F922" lastPageId="11" lastPageNumber="548" pageId="10" pageNumber="547" type="discussion">
<paragraph id="5F0C36A70335FFE8AE3E9258D092F963" blockId="10.[811,1457,1586,2028]" lastBlockId="11.[131,775,1586,1677]" lastPageId="11" lastPageNumber="548" pageId="10" pageNumber="547">
<emphasis id="6DC7EAB50335FFE9AE3E9258D1F9F9A3" bold="true" box="[813,917,1587,1613]" pageId="10" pageNumber="547">Remarks.</emphasis>
The pterygoids of the fossil 
<taxonomicName id="98B34D240335FFE9A9D39259D754F9A2" authorityName="Daudin" authorityYear="1803" box="[1216,1336,1586,1612]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="547" phylum="Chordata" rank="genus">
<emphasis id="6DC7EAB50335FFE9A9D39259D754F9A2" box="[1216,1336,1586,1612]" italics="true" pageId="10" pageNumber="547">Ophisaurus</emphasis>
</taxonomicName>
are known from several Miocene and Pliocene localities in Europe (e.g., 
<bibRefCitation id="3B224B560335FFE9AE389219D1B7F962" author="KLEMBARA J." box="[811,987,1650,1676]" pageId="10" pageNumber="547" pagination="121 - 168" refId="ref9203" refString="KLEMBARA J. 1981. - Beitrag zur Kenntniss der Subfamilie Anguinae. Acta Universitatis Carolinae - Geologica 2: 121 - 168." type="journal article" year="1981">Klembara 1981</bibRefCitation>
, 
<bibRefCitation id="3B224B560335FFE9AEFE9219D64BF963" author="KLEMBARA J." box="[1005,1063,1650,1677]" pageId="10" pageNumber="547" pagination="171 - 195" refId="ref9318" refString="KLEMBARA J. 2015. - New finds of anguines (Squamata, Anguidae) from the Early Miocene of North-West Bohemia (Czech Republic). Palaontologische Zeitschrift 89: 171 - 195. https: // doi. org / 10.1007 / s 12542 - 014 - 0226 - 4" type="journal article" year="2015">2015</bibRefCitation>
; 
<bibRefCitation id="3B224B560335FFE9A92B9219D77EF962" author="DELFINO M. &amp; BAILON S. &amp; PITRUZZELLA G." box="[1080,1298,1650,1676]" pageId="10" pageNumber="547" pagination="357 - 382" refId="ref8742" refString="DELFINO M., BAILON S. &amp; PITRUZZELLA G. 2011. - The Late Pliocene amphibians and reptiles from &quot; Capo Mannu D 1 Local Fauna &quot; (Mandriola, Sardinia, Italy). Geodiversitas 33: 357 - 382. https: // doi. org / 10.5252 / g 2011 n 2 a 10" type="journal article" year="2011">
Delfino 
<emphasis id="6DC7EAB50335FFE9A9849218D6A3F962" box="[1175,1231,1650,1676]" italics="true" pageId="10" pageNumber="547">et al.</emphasis>
2011
</bibRefCitation>
). The general morphology of these fossil pterygoids is very similar to that described here for 
<taxonomicName id="98B34D240335FFE9A91092D9D6CFF922" authorityName="Jorg" authorityYear="1965" box="[1027,1187,1714,1740]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="547" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50335FFE9A91092D9D6CFF922" box="[1027,1187,1714,1740]" italics="true" pageId="10" pageNumber="547">O. acuminatus</emphasis>
</taxonomicName>
. The distinctive feature of all these fossil species of 
<taxonomicName id="98B34D240335FFE9A97092B9D6B7F902" authorityName="Daudin" authorityYear="1803" box="[1123,1243,1746,1772]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="547" phylum="Chordata" rank="genus">
<emphasis id="6DC7EAB50335FFE9A97092B9D6B7F902" box="[1123,1243,1746,1772]" italics="true" pageId="10" pageNumber="547">Ophisaurus</emphasis>
</taxonomicName>
is a relatively large denticulated field mostly composed of more or less distinct anteroposteriorly running rows of denticles; the most robust denticles lie in the most lateral row. The pterygoids of early Miocene 
<taxonomicName id="98B34D240335FFE9AE9D933AD740F882" authority="Klembara, 2012" authorityName="Klembara" authorityYear="2012" box="[910,1324,1873,1900]" class="Reptilia" family="Anguidae" genus="Pseudopus" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="547" phylum="Chordata" rank="species" species="ahnikoviensis">
<emphasis id="6DC7EAB50335FFE9AE9D933AD612F885" box="[910,1150,1873,1899]" italics="true" pageId="10" pageNumber="547">Pseudopus ahnikoviensis</emphasis>
<bibRefCitation id="3B224B560335FFE9A990933AD740F882" author="KLEMBARA J." box="[1155,1324,1873,1900]" pageId="10" pageNumber="547" pagination="854 - 866" refId="ref9270" refString="KLEMBARA J. 2012. - A new species of Pseudopus (Squamata, Anguidae) from the early Miocene of North-West Bohemia (Czech Republic). Journal of Vertebrate Paleontology 32: 854 - 866. https: // doi. org / 10.1080 / 02724634.2012.670177" type="journal article" year="2012">Klembara, 2012</bibRefCitation>
</taxonomicName>
are similarly built as those of contemporaneous specimens of 
<taxonomicName id="98B34D240335FFE9A83C931AD7CBF865" authorityName="Daudin" authorityYear="1803" box="[1327,1447,1905,1931]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="547" phylum="Chordata" rank="genus">
<emphasis id="6DC7EAB50335FFE9A83C931AD7CBF865" box="[1327,1447,1905,1931]" italics="true" pageId="10" pageNumber="547">Ophisaurus</emphasis>
</taxonomicName>
, however, the pterygoid of 
<taxonomicName id="98B34D240335FFE9A94493F9D693F845" authorityName="Klembara" authorityYear="2012" box="[1111,1279,1937,1963]" class="Reptilia" family="Anguidae" genus="Pseudopus" kingdom="Animalia" order="Squamata" pageId="10" pageNumber="547" phylum="Chordata" rank="species" species="ahnikoviensis">
<emphasis id="6DC7EAB50335FFE9A94493F9D693F845" box="[1111,1279,1937,1963]" italics="true" pageId="10" pageNumber="547">P. ahnikoviensis</emphasis>
</taxonomicName>
bears a distinct feature - the oblong crest lying on the ventral surface of the transverse process of the pterygoid (
<bibRefCitation id="3B224B560335FFE9A9D393BAD701F805" author="KLEMBARA J." box="[1216,1389,2001,2027]" pageId="10" pageNumber="547" pagination="854 - 866" refId="ref9270" refString="KLEMBARA J. 2012. - A new species of Pseudopus (Squamata, Anguidae) from the early Miocene of North-West Bohemia (Czech Republic). Journal of Vertebrate Paleontology 32: 854 - 866. https: // doi. org / 10.1080 / 02724634.2012.670177" type="journal article" year="2012">Klembara 2012</bibRefCitation>
). The presence of the oblong crest is a shared feature by three species of 
<taxonomicName id="98B34D240334FFE8ADDA9239D35DF982" baseAuthorityName="Klembara" baseAuthorityYear="2012" box="[201,305,1618,1644]" class="Reptilia" family="Anguidae" genus="Pseudopus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="548" phylum="Chordata" rank="genus">
<emphasis id="6DC7EAB50334FFE8ADDA9239D35DF982" box="[201,305,1618,1644]" italics="true" pageId="11" pageNumber="548">Pseudopus</emphasis>
</taxonomicName>
: 
<taxonomicName id="98B34D240334FFE8AC2C9238D3B2F982" authorityName="Klembara" authorityYear="2012" box="[319,478,1618,1644]" class="Reptilia" family="Anguidae" genus="Pseudopus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="548" phylum="Chordata" rank="species" species="ahnikoviensis">
<emphasis id="6DC7EAB50334FFE8AC2C9238D3B2F982" box="[319,478,1618,1644]" italics="true" pageId="11" pageNumber="548">P. ahnikoviensis</emphasis>
</taxonomicName>
, 
<taxonomicName id="98B34D240334FFE8ACF99238D16BF983" authority="(Lartet, 1851)" baseAuthorityName="Lartet" baseAuthorityYear="1851" box="[490,775,1618,1645]" class="Reptilia" family="Anguidae" genus="Pseudopus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="548" phylum="Chordata" rank="species" species="laurillardi">
<emphasis id="6DC7EAB50334FFE8ACF99238D007F982" box="[490,619,1618,1644]" italics="true" pageId="11" pageNumber="548">P. laurillardi</emphasis>
(
<bibRefCitation id="3B224B560334FFE8AF6B9239D093F983" author="LARTET E." box="[632,767,1618,1645]" pageId="11" pageNumber="548" pagination="1 - 45" refId="ref9630" refString="LARTET E. 1851. - Notice sur la colline de Sansan. Annuaire du departement du Gers, Auch: 1 - 45." type="book chapter" year="1851">Lartet, 1851</bibRefCitation>
)
</taxonomicName>
and 
<taxonomicName id="98B34D240334FFE8ADA79218D095F963" authority="(Kormos, 1911) (Klembara et al. 2010)" authorityName="Klembara et al." authorityYear="2010" baseAuthorityName="Kormos" baseAuthorityYear="1911" box="[180,761,1650,1677]" class="Reptilia" family="Anguidae" genus="Pseudopus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="548" phylum="Chordata" rank="species" species="pannonicus">
<emphasis id="6DC7EAB50334FFE8ADA79218D32FF962" box="[180,323,1651,1676]" italics="true" pageId="11" pageNumber="548">P. pannonicus</emphasis>
(
<bibRefCitation id="3B224B560334FFE8AC429219D39DF962" author="KORMOS T." box="[337,497,1650,1676]" pageId="11" pageNumber="548" pagination="1 - 19" refId="ref9610" refString="KORMOS T. 1911. - Der pliozane Knochenfund bei Polgardi. Foldtani Kozloni 41: 1 - 19." type="journal article" year="1911">Kormos, 1911</bibRefCitation>
) (
<bibRefCitation id="3B224B560334FFE8AF199219D081F962" author="KLEMBARA J. &amp; BOHME M. &amp; RUMMEL M." box="[522,749,1650,1676]" pageId="11" pageNumber="548" pagination="159 - 196" refId="ref9370" refString="KLEMBARA J., BOHME M. &amp; RUMMEL M. 2010. - Revision of the anguine lizard Pseudopus laurillardi (Squamata, Anguidae) from the Miocene of Europe, with comments on paleoecology. Journal of Paleontology 84: 159 - 196. https: // doi. org / 10.1666 / 09 - 033 R 1.1" type="journal article" year="2010">
Klembara 
<emphasis id="6DC7EAB50334FFE8AF699218D0C3F962" box="[634,687,1650,1676]" italics="true" pageId="11" pageNumber="548">et al.</emphasis>
2010
</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
<caption id="0BCC662F0334FFE8AD9791DFD3DAFA1D" ID-DOI="http://doi.org/10.5281/zenodo.4447800" ID-Zenodo-Dep="4447800" httpUri="https://zenodo.org/record/4447800/files/figure.png" pageId="11" pageNumber="548" startId="11.[132,143,1460,1477]" targetBox="[132,1449,215,1416]" targetPageId="11">
<paragraph id="5F0C36A70334FFE8AD9791DFD3DAFA1D" blockId="11.[132,1457,1460,1523]" pageId="11" pageNumber="548">
FIG. 7. — 
<taxonomicName id="98B34D240334FFE8ADC791DFD394FA2B" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[212,504,1460,1477]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="548" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50334FFE8ADC791DFD3FAFA2B" box="[212,406,1460,1477]" italics="true" pageId="11" pageNumber="548">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B560334FFE8AC8F91DFD394FA2B" author="JORG E." box="[412,504,1460,1477]" pageId="11" pageNumber="548" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
</taxonomicName>
, SMNK-PAL.8561: 
<emphasis id="6DC7EAB50334FFE8AF8B91DFD0C9FA2B" bold="true" box="[664,677,1460,1477]" pageId="11" pageNumber="548">A</emphasis>
, 
<emphasis id="6DC7EAB50334FFE8AFBC91DFD0D0FA2B" bold="true" box="[687,700,1460,1477]" pageId="11" pageNumber="548">B</emphasis>
, photographs of left maxilla (
<emphasis id="6DC7EAB50334FFE8AEBD91DFD1D7FA2B" bold="true" box="[942,955,1460,1477]" pageId="11" pageNumber="548">A</emphasis>
) and detail of teeth (
<emphasis id="6DC7EAB50334FFE8A97691DFD61EFA2B" bold="true" box="[1125,1138,1460,1477]" pageId="11" pageNumber="548">B</emphasis>
) in lateral view; 
<emphasis id="6DC7EAB50334FFE8A9E491DFD769FA2B" bold="true" box="[1271,1285,1460,1477]" pageId="11" pageNumber="548">C</emphasis>
, 
<emphasis id="6DC7EAB50334FFE8A81C91DFD771FA2B" bold="true" box="[1295,1309,1460,1477]" pageId="11" pageNumber="548">D</emphasis>
, virtual 3D model of left maxilla in lateral (
<emphasis id="6DC7EAB50334FFE8AC5991A0D334FA32" bold="true" box="[330,344,1483,1500]" pageId="11" pageNumber="548">C</emphasis>
) and medial (
<emphasis id="6DC7EAB50334FFE8ACDA91A0D3BBFA32" bold="true" box="[457,471,1483,1500]" pageId="11" pageNumber="548">D</emphasis>
) views; 
<emphasis id="6DC7EAB50334FFE8AF0891A0D050FA32" bold="true" box="[539,572,1483,1500]" pageId="11" pageNumber="548">E -G</emphasis>
, photograph (
<emphasis id="6DC7EAB50334FFE8AFA091A0D0D3FA32" bold="true" box="[691,703,1483,1500]" pageId="11" pageNumber="548">E</emphasis>
) and virtual 3D models (
<emphasis id="6DC7EAB50334FFE8AE9891A0D1FAFA32" bold="true" box="[907,918,1483,1500]" pageId="11" pageNumber="548">F</emphasis>
, 
<emphasis id="6DC7EAB50334FFE8AEB391A0D1C2FA32" bold="true" box="[928,942,1483,1500]" pageId="11" pageNumber="548">G</emphasis>
) of left jugal in lateral (
<emphasis id="6DC7EAB50334FFE8A97F91A0D614FA32" bold="true" box="[1132,1144,1483,1500]" pageId="11" pageNumber="548">E</emphasis>
, 
<emphasis id="6DC7EAB50334FFE8A99091A0D6E2FA32" bold="true" box="[1155,1166,1483,1500]" pageId="11" pageNumber="548">F</emphasis>
) and medial (
<emphasis id="6DC7EAB50334FFE8A9EC91A0D761FA32" bold="true" box="[1279,1293,1483,1500]" pageId="11" pageNumber="548">G</emphasis>
) views. Scale bars: A, B, 1 mm; C, D, 5 mm; E-G, 2 mm.
</paragraph>
</caption>
<subSection id="363C2F4C0334FFE8AD9792D9D3E3F922" box="[132,399,1714,1740]" pageId="11" pageNumber="548" type="multiple">
<paragraph id="5F0C36A70334FFE8AD9792D9D3E3F922" blockId="11.[132,399,1714,1740]" box="[132,399,1714,1740]" pageId="11" pageNumber="548">
<heading id="044481CB0334FFE8AD9792D9D3E3F922" box="[132,399,1714,1740]" fontSize="11" level="2" pageId="11" pageNumber="548" reason="8">
<emphasis id="6DC7EAB50334FFE8AD9792D9D3E3F922" box="[132,399,1714,1740]" italics="true" pageId="11" pageNumber="548">Exoccipital and opisthotic</emphasis>
</heading>
</paragraph>
</subSection>
</subSubSection>
<subSubSection id="17A9652C0334FFEDAD9792B9D367F9E3" lastPageId="14" lastPageNumber="551" pageId="11" pageNumber="548" type="description">
<paragraph id="5F0C36A70334FFE8AD9792B9D16BF805" blockId="11.[131,777,1746,2028]" pageId="11" pageNumber="548">
A substantial portion of the right exoccipital and opisthotic is preserved and both bones are fused together (
<figureCitation id="C7882A220334FFE8AF8D9299D08DF8E2" box="[670,737,1778,1804]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="11" pageNumber="548">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220334FFE8AFE19299D16CF8E2" box="[754,768,1778,1804]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="11" pageNumber="548">2</figureCitation>
; 
<figureCitation id="C7882A220334FFE8AD979379D2CCF8C2" box="[132,160,1810,1836]" captionStart="FIG" captionStartId="14.[132,143,1313,1330]" captionTargetBox="[139,1444,215,1276]" captionTargetId="figure-372@14.[695,1262,207,764]" captionTargetPageId="14" captionText="FIG. 10. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-D, photograph (A) and virtual 3D models (B-D) of right fused exoccipital and opisthotic in anterolateral (A, B), anterior (C) and posterolateral (D) views. In A-C, fused exoccipital and opisthotic are dorsoventrally turned up. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447807" httpUri="https://zenodo.org/record/4447807/files/figure.png" pageId="11" pageNumber="548">10</figureCitation>
). The paroccipital process is fan-like at its distal end. On the posterior surface of the paroccipital process, a distinct and sharp ridge passes posterolaterally. The ridge gradually diminishes posteriorly and is confluent with the articular surface of the paroccipital process. Dorsally to the proximal portion of the ridge, the opening for the lateral semicircular canal is present (
<figureCitation id="C7882A220334FFE8AC2C93BAD3E1F805" box="[319,397,2001,2027]" captionStart="FIG" captionStartId="14.[132,143,1313,1330]" captionTargetBox="[139,1444,215,1276]" captionTargetId="figure-372@14.[695,1262,207,764]" captionTargetPageId="14" captionText="FIG. 10. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-D, photograph (A) and virtual 3D models (B-D) of right fused exoccipital and opisthotic in anterolateral (A, B), anterior (C) and posterolateral (D) views. In A-C, fused exoccipital and opisthotic are dorsoventrally turned up. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447807" httpUri="https://zenodo.org/record/4447807/files/figure.png" pageId="11" pageNumber="548">Fig. 10</figureCitation>
A-C). Immediately anterior to the
</paragraph>
<paragraph id="5F0C36A70334FFE8AE3D9259D6EDF8C2" blockId="11.[811,1457,1586,1836]" pageId="11" pageNumber="548">
opening of the semicircular canal is a rounded margin limiting a deep excavation; the excavation represents a posterodorsal portion of the vestibule (
<figureCitation id="C7882A220334FFE8A9989219D77CF962" box="[1163,1296,1650,1677]" captionStart="FIG" captionStartId="14.[132,143,1313,1330]" captionTargetBox="[139,1444,215,1276]" captionTargetId="figure-372@14.[695,1262,207,764]" captionTargetPageId="14" captionText="FIG. 10. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-D, photograph (A) and virtual 3D models (B-D) of right fused exoccipital and opisthotic in anterolateral (A, B), anterior (C) and posterolateral (D) views. In A-C, fused exoccipital and opisthotic are dorsoventrally turned up. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447807" httpUri="https://zenodo.org/record/4447807/files/figure.png" pageId="11" pageNumber="548">Fig. 10B, C</figureCitation>
). Immediately ventral to it, a rounded depression marks the wall of the cochlear recess (
<figureCitation id="C7882A220334FFE8AEC492D9D659F923" box="[983,1077,1714,1741]" captionStart="FIG" captionStartId="14.[132,143,1313,1330]" captionTargetBox="[139,1444,215,1276]" captionTargetId="figure-372@14.[695,1262,207,764]" captionTargetPageId="14" captionText="FIG. 10. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-D, photograph (A) and virtual 3D models (B-D) of right fused exoccipital and opisthotic in anterolateral (A, B), anterior (C) and posterolateral (D) views. In A-C, fused exoccipital and opisthotic are dorsoventrally turned up. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447807" httpUri="https://zenodo.org/record/4447807/files/figure.png" pageId="11" pageNumber="548">Fig. 10B</figureCitation>
). The proximal portion of the fused exoccipital-opisthotic is on several places damaged, but the vagus foramen marking the original exoccipital-opisthotic suture is present (
<figureCitation id="C7882A220334FFE8AEFE9379D61FF8C2" box="[1005,1139,1810,1836]" captionStart="FIG" captionStartId="14.[132,143,1313,1330]" captionTargetBox="[139,1444,215,1276]" captionTargetId="figure-372@14.[695,1262,207,764]" captionTargetPageId="14" captionText="FIG. 10. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-D, photograph (A) and virtual 3D models (B-D) of right fused exoccipital and opisthotic in anterolateral (A, B), anterior (C) and posterolateral (D) views. In A-C, fused exoccipital and opisthotic are dorsoventrally turned up. Scale bars: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447807" httpUri="https://zenodo.org/record/4447807/files/figure.png" pageId="11" pageNumber="548">Fig. 10C, D</figureCitation>
).
</paragraph>
<paragraph id="5F0C36A70334FFE8AE3E9339D6E4F882" blockId="11.[813,1456,1874,2028]" box="[813,1160,1874,1900]" pageId="11" pageNumber="548">
LOWER JAW (
<figureCitation id="C7882A220334FFE8AEA89339D66DF882" box="[955,1025,1874,1900]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="11" pageNumber="548">FIGS 1</figureCitation>
; 
<figureCitation id="C7882A220334FFE8A91C9339D643F882" box="[1039,1071,1874,1900]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="11" pageNumber="548">2A</figureCitation>
; 
<figureCitation id="C7882A220334FFE8A92E9339D613F882" box="[1085,1151,1874,1900]" captionStart-0="FIG" captionStart-1="FIG" captionStart-2="FIG" captionStartId-0="15.[132,143,1985,2002]" captionStartId-1="16.[132,143,1985,2002]" captionStartId-2="17.[132,143,1249,1266]" captionTargetBox-0="[136,1451,215,1846]" captionTargetBox-1="[144,1443,216,1832]" captionTargetBox-2="[165,1428,216,1206]" captionTargetId-0="figure-24@15.[650,1200,756,1307]" captionTargetId-1="figure-33@16.[697,1272,751,1297]" captionTargetId-2="figure-400@17.[702,1251,204,755]" captionTargetPageId-0="15" captionTargetPageId-1="16" captionTargetPageId-2="17" captionText-0="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." captionText-1="FIG. 12. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, photograph; C, D, virtual 3D models of right dentary in lateral (A, B), medial (C) and ventromedial (D) views. Scale bar: 2 mm." captionText-2="FIG. 13. — Ophisaurus acuminatus Jörg,1965,SMNK-PAL.8561:A, B, right coronoid in lateral (A) and medial (B) views;C-E, photograph (C) and virtual 3D models (D, E) of right splenial in lateral (C, D) and medial (E) views. Scale bars: A, B, D, E, 2 mm; C, 1 mm." figureDoi-0="http://doi.org/10.5281/zenodo.4447809" figureDoi-1="http://doi.org/10.5281/zenodo.4447811" figureDoi-2="http://doi.org/10.5281/zenodo.4447813" httpUri-0="https://zenodo.org/record/4447809/files/figure.png" httpUri-1="https://zenodo.org/record/4447811/files/figure.png" httpUri-2="https://zenodo.org/record/4447813/files/figure.png" pageId="11" pageNumber="548">11-13</figureCitation>
)
</paragraph>
<paragraph id="5F0C36A70334FFE8AE3E9319D1EFF865" blockId="11.[813,1456,1874,2028]" box="[813,899,1906,1931]" pageId="11" pageNumber="548">
<emphasis id="6DC7EAB50334FFE8AE3E9319D1EFF865" box="[813,899,1906,1931]" italics="true" pageId="11" pageNumber="548">Dentary</emphasis>
</paragraph>
<paragraph id="5F0C36A70334FFEFAE3E93FAD16BF923" blockId="11.[813,1456,1874,2028]" lastBlockId="12.[130,777,949,1741]" lastPageId="12" lastPageNumber="549" pageId="11" pageNumber="548">
Both dentaries are preserved (
<figureCitation id="C7882A220334FFE8A97B93FAD6CBF845" box="[1128,1191,1937,1963]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="11" pageNumber="548">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220334FFE8A9A793FAD6BAF845" box="[1204,1238,1937,1963]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="11" pageNumber="548">2A</figureCitation>
; 
<figureCitation id="C7882A220334FFE8A9F393FAD715F845" box="[1248,1401,1937,1964]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="11" pageNumber="548">Fig. 11C, F, G</figureCitation>
; 
<figureCitation id="C7882A220334FFE8A89093FAD7F3F845" box="[1411,1439,1937,1963]" captionStart="FIG" captionStartId="16.[132,143,1985,2002]" captionTargetBox="[144,1443,216,1832]" captionTargetId="figure-33@16.[697,1272,751,1297]" captionTargetPageId="16" captionText="FIG. 12. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, photograph; C, D, virtual 3D models of right dentary in lateral (A, B), medial (C) and ventromedial (D) views. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447811" httpUri="https://zenodo.org/record/4447811/files/figure.png" pageId="11" pageNumber="548">12</figureCitation>
). The dentary is anteroposteriorly elongate and gradually narrows anteriorly. The smooth lateral surface of the bone is pierced by six mental foramina (well preserved in the left dentary). A high dorsal crest supports fifteen tooth positions (eleven teeth are preserved in each dentary). The dental crest is concave and anteriorly passes into a small symphyseal facet. The crest is flexed ventrally along its entire length. It bears a splenial spine at the level between the fourth and fifth tooth positions (counted from posterior). The splenial spine forms an anteroventral margin of the anterior inferior alveolar foramen (
<figureCitation id="C7882A220333FFEFADE390DFD339FB20" box="[240,341,1204,1230]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="12" pageNumber="549">Figs 11G</figureCitation>
; 
<figureCitation id="C7882A220333FFEFAC7190DFD3F9FB20" box="[354,405,1204,1230]" captionStart="FIG" captionStartId="16.[132,143,1985,2002]" captionTargetBox="[144,1443,216,1832]" captionTargetId="figure-33@16.[697,1272,751,1297]" captionTargetPageId="16" captionText="FIG. 12. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, photograph; C, D, virtual 3D models of right dentary in lateral (A, B), medial (C) and ventromedial (D) views. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447811" httpUri="https://zenodo.org/record/4447811/files/figure.png" pageId="12" pageNumber="549">12C</figureCitation>
). Posteriorly to it, the dental crest is curved dorsally, being thinner than its anteriorly located portion. Meckel`s groove is narrow, opens ventrally rather than medially (
<figureCitation id="C7882A220333FFEFAC3B9178D3E0FAC0" box="[296,396,1299,1326]" captionStart="FIG" captionStartId="16.[132,143,1985,2002]" captionTargetBox="[144,1443,216,1832]" captionTargetId="figure-33@16.[697,1272,751,1297]" captionTargetPageId="16" captionText="FIG. 12. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, photograph; C, D, virtual 3D models of right dentary in lateral (A, B), medial (C) and ventromedial (D) views. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447811" httpUri="https://zenodo.org/record/4447811/files/figure.png" pageId="12" pageNumber="549">Fig. 12D</figureCitation>
). The alveolar foramen is located at the level of the third tooth position (counted from posterior) (
<figureCitation id="C7882A220333FFEFAD9E9138D29DFA83" box="[141,241,1363,1389]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="12" pageNumber="549">Fig. 11G</figureCitation>
). Posteroventrally to this foramen, the surangular spine is present; however, only its root portion is preserved in the left dentary (
<figureCitation id="C7882A220333FFEFAC2F91F8D3CDFA43" box="[316,417,1427,1453]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="12" pageNumber="549">Fig. 11G</figureCitation>
). The intramandibular septum is better preserved on the right dentary and has about a vertical position (
<figureCitation id="C7882A220333FFEFADF991B8D320FA03" box="[234,332,1491,1517]" captionStart="FIG" captionStartId="16.[132,143,1985,2002]" captionTargetBox="[144,1443,216,1832]" captionTargetId="figure-33@16.[697,1272,751,1297]" captionTargetPageId="16" captionText="FIG. 12. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, photograph; C, D, virtual 3D models of right dentary in lateral (A, B), medial (C) and ventromedial (D) views. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447811" httpUri="https://zenodo.org/record/4447811/files/figure.png" pageId="12" pageNumber="549">Fig. 12D</figureCitation>
). The posteroventral region of the dentary ends by a distinct angular process. It is of triangular shape. Its posterior termination reaches the level of the penultimate tooth position (
<figureCitation id="C7882A220333FFEFAC269259D3EFF9A3" box="[309,387,1586,1613]" captionStart="FIG" captionStartId="16.[132,143,1985,2002]" captionTargetBox="[144,1443,216,1832]" captionTargetId="figure-33@16.[697,1272,751,1297]" captionTargetPageId="16" captionText="FIG. 12. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, photograph; C, D, virtual 3D models of right dentary in lateral (A, B), medial (C) and ventromedial (D) views. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447811" httpUri="https://zenodo.org/record/4447811/files/figure.png" pageId="12" pageNumber="549">Fig. 12</figureCitation>
). The posterodorsal portion of the dentary is elevated dorsally. The surangular and coronoid processes are pointed. The coronoid process reaches slightly more posteriorly than the surangular process. A shallow coronoid incisure is located between both processes (
<figureCitation id="C7882A220333FFEFAF6D92D9D0A4F922" box="[638,712,1714,1740]" captionStart="FIG" captionStartId="16.[132,143,1985,2002]" captionTargetBox="[144,1443,216,1832]" captionTargetId="figure-33@16.[697,1272,751,1297]" captionTargetPageId="16" captionText="FIG. 12. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, photograph; C, D, virtual 3D models of right dentary in lateral (A, B), medial (C) and ventromedial (D) views. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447811" httpUri="https://zenodo.org/record/4447811/files/figure.png" pageId="12" pageNumber="549">Fig. 12</figureCitation>
B-D).
</paragraph>
<caption id="0BCC662F0333FFEFAD809733D7CEFC87" ID-DOI="http://doi.org/10.5281/zenodo.4447803" ID-Zenodo-Dep="4447803" box="[147,1442,856,873]" httpUri="https://zenodo.org/record/4447803/files/figure.png" pageId="12" pageNumber="549" startId="12.[147,158,856,873]" targetBox="[183,1405,213,814]" targetPageId="12">
<paragraph id="5F0C36A70333FFEFAD809733D7CEFC87" blockId="12.[147,1442,856,873]" box="[147,1442,856,873]" pageId="12" pageNumber="549">
FIG. 8. — 
<taxonomicName id="98B34D240333FFEFADF09733D06BFC87" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[227,519,856,873]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="549" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50333FFEFADF09733D3C9FC87" box="[227,421,856,873]" italics="true" pageId="12" pageNumber="549">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B560333FFEFACB89733D06BFC87" author="JORG E." box="[427,519,856,873]" pageId="12" pageNumber="549" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
</taxonomicName>
, SMNK-PAL.8561: 
<emphasis id="6DC7EAB50333FFEFAFBB9733D0D9FC87" bold="true" box="[680,693,856,873]" pageId="12" pageNumber="549">A</emphasis>
, 
<emphasis id="6DC7EAB50333FFEFAFAC9733D0A0FC87" bold="true" box="[703,716,856,873]" pageId="12" pageNumber="549">B</emphasis>
, virtual 3D models of right palatine in ventral (
<emphasis id="6DC7EAB50333FFEFA95A9733D63AFC87" bold="true" box="[1097,1110,856,873]" pageId="12" pageNumber="549">A</emphasis>
) and dorsal (
<emphasis id="6DC7EAB50333FFEFA9D19733D6A3FC87" bold="true" box="[1218,1231,856,873]" pageId="12" pageNumber="549">B</emphasis>
) views. Scale bar: 2 mm.
</paragraph>
</caption>
<subSection id="363C2F4C0333FFEFAD979299D187FB60" pageId="12" pageNumber="549" type="multiple">
<paragraph id="5F0C36A70333FFEFAD979299D2B4F8E2" blockId="12.[132,216,1778,1804]" box="[132,216,1778,1804]" pageId="12" pageNumber="549">
<heading id="044481CB0333FFEFAD979299D2B4F8E2" box="[132,216,1778,1804]" fontSize="11" level="2" pageId="12" pageNumber="549" reason="8">
<emphasis id="6DC7EAB50333FFEFAD979299D2B4F8E2" box="[132,216,1778,1804]" italics="true" pageId="12" pageNumber="549">Splenial</emphasis>
</heading>
</paragraph>
<paragraph id="5F0C36A70333FFEFAD979379D164F805" blockId="12.[130,777,1810,2027]" pageId="12" pageNumber="549">
The right splenial is well preserved (
<figureCitation id="C7882A220333FFEFACEB9379D05AF8C2" box="[504,566,1810,1836]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="12" pageNumber="549">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220333FFEFAF519379D008F8C2" box="[578,612,1810,1836]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="12" pageNumber="549">2A</figureCitation>
; 
<figureCitation id="C7882A220333FFEFAF7E9379D0E5F8C2" box="[621,649,1810,1836]" captionStart="FIG" captionStartId="17.[132,143,1249,1266]" captionTargetBox="[165,1428,216,1206]" captionTargetId="figure-400@17.[702,1251,204,755]" captionTargetPageId="17" captionText="FIG. 13. — Ophisaurus acuminatus Jörg,1965,SMNK-PAL.8561:A, B, right coronoid in lateral (A) and medial (B) views;C-E, photograph (C) and virtual 3D models (D, E) of right splenial in lateral (C, D) and medial (E) views. Scale bars: A, B, D, E, 2 mm; C, 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447813" httpUri="https://zenodo.org/record/4447813/files/figure.png" pageId="12" pageNumber="549">13</figureCitation>
C-E). Anteriorly it extends into a pointed process. Posteriorly it gradually dorsoventrally broadens. Posteroventrally, the splenial extends into a long, narrow and pointed process. The dorsally to it lying portion of the splenial is partially damaged, but the presence of two other processes is indicated. At the half of the anteroposterior length of the splenial, the anterodorsal
</paragraph>
<paragraph id="5F0C36A70333FFEFAE3D97DED187FB60" blockId="12.[812,1457,949,1166]" pageId="12" pageNumber="549">margin is stepped forming a roughly triangular small process. The process is hooked anteriorly. This structure forms the posterior and ventral margins of the anterior inferior alveolar foramen. In the central portion of the bone, a large mylohyoid foramen is present. It lies only slightly posterior to the level of the posterior margin of the anterior inferior alveolar foramen.</paragraph>
</subSection>
<subSection id="363C2F4C0333FFEFAE3E90DFD726FA23" pageId="12" pageNumber="549" type="multiple">
<paragraph id="5F0C36A70333FFEFAE3E90DFD1EDFB20" blockId="12.[813,897,1204,1230]" box="[813,897,1204,1230]" pageId="12" pageNumber="549">
<heading id="044481CB0333FFEFAE3E90DFD1EDFB20" box="[813,897,1204,1230]" fontSize="11" level="2" pageId="12" pageNumber="549" reason="8">
<emphasis id="6DC7EAB50333FFEFAE3E90DFD1EDFB20" box="[813,897,1204,1230]" italics="true" pageId="12" pageNumber="549">Angular</emphasis>
</heading>
</paragraph>
<paragraph id="5F0C36A70333FFEFAE3E90BFD726FA23" blockId="12.[811,1456,1236,1485]" pageId="12" pageNumber="549">
The left angular is preserved; it is an elongate bone lying at the ventral wall of the lower jaw (
<figureCitation id="C7882A220333FFEFA9B99098D681FAE0" box="[1194,1261,1267,1294]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="12" pageNumber="549">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220333FFEFA9ED909FD74DFAE0" box="[1278,1313,1268,1294]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="12" pageNumber="549">2A</figureCitation>
; 
<figureCitation id="C7882A220333FFEFA83D909FD7CEFAE0" box="[1326,1442,1268,1294]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="12" pageNumber="549">11C, F, G</figureCitation>
). The anterior portion of the angular contacts the posteroventral portion of the dentary. An anteroposteriorly elongated depression on the medial surface of the angular indicates the presence of the posterior mylohyoid foramen (
<figureCitation id="C7882A220333FFEFA8299118D7CEFA63" box="[1338,1442,1395,1421]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="12" pageNumber="549">Fig. 11G</figureCitation>
). The posterior portion of the angular supports the surangular partly ventrally and medially, and mostly laterally.
</paragraph>
</subSection>
<subSection id="363C2F4C0333FFEFAE3E9198D6CEF805" pageId="12" pageNumber="549" type="multiple">
<paragraph id="5F0C36A70333FFEFAE3E9198D1E2F9E3" blockId="12.[813,910,1523,1549]" box="[813,910,1523,1549]" pageId="12" pageNumber="549">
<heading id="044481CB0333FFEFAE3E9198D1E2F9E3" box="[813,910,1523,1549]" fontSize="11" level="2" pageId="12" pageNumber="549" reason="8">
<emphasis id="6DC7EAB50333FFEFAE3E9198D1E2F9E3" box="[813,910,1523,1549]" italics="true" pageId="12" pageNumber="549">Coronoid</emphasis>
</heading>
</paragraph>
<paragraph id="5F0C36A70333FFEFAE3E9279D6CEF805" blockId="12.[811,1458,1554,2027]" pageId="12" pageNumber="549">
Both left and right coronoids are preserved (
<figureCitation id="C7882A220333FFEFA8139279D752F9C3" box="[1280,1342,1554,1581]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="12" pageNumber="549">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220333FFEFA8589278D701F9C3" box="[1355,1389,1555,1581]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="12" pageNumber="549">2A</figureCitation>
; 
<figureCitation id="C7882A220333FFEFA8649278D7FFF9C3" box="[1399,1427,1555,1581]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="12" pageNumber="549">11</figureCitation>
C- G; 13A, B). The coronoid is a chevron shaped bone, with four processes: the dorsal, anterolateral, anteromedial and posterior processes. The dorsal process lies in the mid-length of the bone. It is of quadrangular shape. Although it is shorter than other two processes, its overall appearance is robust. The dorsal process is slightly inclined posteriorly. Its anterolateral portion bears a distinct ridge (or keel) for muscle attachment (
<figureCitation id="C7882A220333FFEFAE259379D1F4F8C2" box="[822,920,1810,1836]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="12" pageNumber="549">Figs 11E</figureCitation>
; 
<figureCitation id="C7882A220333FFEFAEB79379D1BBF8C2" box="[932,983,1810,1836]" captionStart="FIG" captionStartId="17.[132,143,1249,1266]" captionTargetBox="[165,1428,216,1206]" captionTargetId="figure-400@17.[702,1251,204,755]" captionTargetPageId="17" captionText="FIG. 13. — Ophisaurus acuminatus Jörg,1965,SMNK-PAL.8561:A, B, right coronoid in lateral (A) and medial (B) views;C-E, photograph (C) and virtual 3D models (D, E) of right splenial in lateral (C, D) and medial (E) views. Scale bars: A, B, D, E, 2 mm; C, 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447813" httpUri="https://zenodo.org/record/4447813/files/figure.png" pageId="12" pageNumber="549">13A</figureCitation>
). The medial side of the process is flat. The posterior process is longer than the anteromedial process. It is bent laterally to form a contact with the surangular. This articulation is bordered dorsally by a sharp muscular crest (
<figureCitation id="C7882A220333FFEFAE2593FAD1F5F845" box="[822,921,1937,1963]" captionStart="FIG" captionStartId="17.[132,143,1249,1266]" captionTargetBox="[165,1428,216,1206]" captionTargetId="figure-400@17.[702,1251,204,755]" captionTargetPageId="17" captionText="FIG. 13. — Ophisaurus acuminatus Jörg,1965,SMNK-PAL.8561:A, B, right coronoid in lateral (A) and medial (B) views;C-E, photograph (C) and virtual 3D models (D, E) of right splenial in lateral (C, D) and medial (E) views. Scale bars: A, B, D, E, 2 mm; C, 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447813" httpUri="https://zenodo.org/record/4447813/files/figure.png" pageId="12" pageNumber="549">Fig. 13A</figureCitation>
). The medial side of the posterior process bears a low ridge. This ridge forms the anterior border of the mandibular/adductor fossa (
<figureCitation id="C7882A220333FFEFA92293BAD6F9F805" box="[1073,1173,2001,2027]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="12" pageNumber="549">Fig. 11G</figureCitation>
).
</paragraph>
</subSection>
<caption id="0BCC662F0332FFEEAD9791C8D60EFA25" ID-DOI="http://doi.org/10.5281/zenodo.4447805" ID-Zenodo-Dep="4447805" httpUri="https://zenodo.org/record/4447805/files/figure.png" pageId="13" pageNumber="550" startId="13.[132,142,1443,1460]" targetBox="[138,1449,214,1402]" targetPageId="13">
<paragraph id="5F0C36A70332FFEEAD9791C8D60EFA25" blockId="13.[132,1456,1443,1483]" pageId="13" pageNumber="550">
FIG. 9. — 
<taxonomicName id="98B34D240332FFEEADC191C8D382FA5A" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[210,494,1443,1460]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="13" pageNumber="550" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50332FFEEADC191C8D3E2FA5A" box="[210,398,1443,1460]" italics="true" pageId="13" pageNumber="550">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B560332FFEEAC8791C8D382FA5A" author="JORG E." box="[404,494,1443,1460]" pageId="13" pageNumber="550" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
</taxonomicName>
, SMNK-PAL.8561: 
<emphasis id="6DC7EAB50332FFEEAF9A91C8D0C6FA5A" bold="true" box="[649,682,1443,1460]" pageId="13" pageNumber="550">A -C</emphasis>
, left pterygoid in dorsal (
<emphasis id="6DC7EAB50332FFEEAE6091C8D113FA5A" bold="true" box="[883,895,1443,1460]" pageId="13" pageNumber="550">A</emphasis>
) and ventral (
<emphasis id="6DC7EAB50332FFEEAEFE91C8D196FA5A" bold="true" box="[1005,1018,1443,1460]" pageId="13" pageNumber="550">B</emphasis>
, 
<emphasis id="6DC7EAB50332FFEEA91791C8D67EFA5A" bold="true" box="[1028,1042,1443,1460]" pageId="13" pageNumber="550">C</emphasis>
) views; 
<emphasis id="6DC7EAB50332FFEEA94791C8D60EFA5A" bold="true" box="[1108,1122,1443,1460]" pageId="13" pageNumber="550">D</emphasis>
, detail of its denticulate field of the same pterygoid; 
<emphasis id="6DC7EAB50332FFEEADCA91D1D289FA25" bold="true" box="[217,229,1466,1483]" pageId="13" pageNumber="550">E</emphasis>
, 
<emphasis id="6DC7EAB50332FFEEADFC91D1D296FA25" bold="true" box="[239,250,1466,1483]" pageId="13" pageNumber="550">F</emphasis>
, virtual 3D models of right pterygoid in ventral (
<emphasis id="6DC7EAB50332FFEEAF6191D1D012FA25" bold="true" box="[626,638,1466,1483]" pageId="13" pageNumber="550">E</emphasis>
) and dorsal (
<emphasis id="6DC7EAB50332FFEEAFF791D1D083FA25" bold="true" box="[740,751,1466,1483]" pageId="13" pageNumber="550">F</emphasis>
) views. Scale bars: A-C,E, F, 2 mm; D, 1 mm.
</paragraph>
</caption>
<paragraph id="5F0C36A70332FFEEAD979279D3EBF9C2" blockId="13.[132,391,1554,1580]" box="[132,391,1554,1580]" pageId="13" pageNumber="550">
<heading id="044481CB0332FFEEAD979279D3EBF9C2" box="[132,391,1554,1580]" fontSize="11" level="2" pageId="13" pageNumber="550" reason="8">
<emphasis id="6DC7EAB50332FFEEAD979279D3EBF9C2" box="[132,391,1554,1580]" italics="true" pageId="13" pageNumber="550">Surangular and articular</emphasis>
</heading>
</paragraph>
<paragraph id="5F0C36A70332FFEEAD979259D16BF805" blockId="13.[130,777,1586,2028]" pageId="13" pageNumber="550">
The left and right surangulars and a small remnant of the left articular are preserved (
<figureCitation id="C7882A220332FFEEAC939239D3ACF982" box="[384,448,1618,1644]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="13" pageNumber="550">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220332FFEEACDE9239D383F983" box="[461,495,1618,1645]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="13" pageNumber="550">2A</figureCitation>
; 
<figureCitation id="C7882A220332FFEEACE89239D005F982" box="[507,617,1618,1645]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="13" pageNumber="550">11C, F, G</figureCitation>
). Only the left surangular is partially articulated with the neighbouring bones of the mandible (
<figureCitation id="C7882A220332FFEEAC2C92F9D3D7F942" box="[319,443,1682,1709]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="13" pageNumber="550">Fig. 11F, G</figureCitation>
). The surangular is an elongate and massive element forming the posterodorsal portion of the lower jaw. In the anterodorsal region and close posterior to the dentary, the dorsolateral surface of the bone is pierced by a large anterior surangular foramen (
<figureCitation id="C7882A220332FFEEAF3F9379D007F8C2" box="[556,619,1810,1836]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="13" pageNumber="550">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220332FFEEAF6B9379D0CAF8C2" box="[632,678,1810,1836]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="13" pageNumber="550">11F</figureCitation>
). On the medial wall of the surangular, a deep mandibular/adductor fossa is present immediately posterior to the posterior process of coronoid articulation. (
<figureCitation id="C7882A220332FFEEAC8E931AD06DF865" box="[413,513,1905,1931]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="13" pageNumber="550">Fig. 11G</figureCitation>
). The posterior portions of both mandibles are broken, but the impression of the left posterior portion of the mandible is well-preserved. Here, a small remnant of the articular is preserved (
<figureCitation id="C7882A220332FFEEAF4393BAD0E3F805" box="[592,655,2001,2027]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="13" pageNumber="550">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220332FFEEAF8893BAD0D1F805" box="[667,701,2001,2027]" captionStart="FIG" captionStartId="6.[132,143,1962,1979]" captionTargetBox="[135,1437,216,1873]" captionTargetId="figure-31@6.[232,797,762,1331]" captionTargetPageId="6" captionText="FIG. 2. — A-D, Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, virtual 3D models of individual bones of holotype skull in internal view; B-D, right septomaxilla in dorsal (B), laterodorsal (C) and ventral (D) views; E, F, right septomaxilla of Ophisaurus attenuatus in dorsal (E) and ventral (F) views. Scale bars: A, 10 mm; B-F, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447790" httpUri="https://zenodo.org/record/4447790/files/figure.png" pageId="13" pageNumber="550">2A</figureCitation>
; 
<figureCitation id="C7882A220332FFEEAFD493BAD095F805" box="[711,761,2001,2027]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="13" pageNumber="550">11C</figureCitation>
).
</paragraph>
<paragraph id="5F0C36A70332FFEEAE3E9278D11AF9C5" blockId="13.[811,1457,1555,2028]" box="[813,886,1555,1581]" pageId="13" pageNumber="550">TEETH</paragraph>
<paragraph id="5F0C36A70332FFEEAE3E9259D7F4F8E2" blockId="13.[811,1457,1555,2028]" pageId="13" pageNumber="550">
There are four elements bearing dentition: dentary, maxilla, pterygoid and palatine. The denticles on the palatine are not preserved, but a row of rounded pits indicates their presence (
<figureCitation id="C7882A220332FFEEAE7E92F9D1AEF942" box="[877,962,1682,1708]" captionStart="FIG" captionStartId="12.[147,158,856,873]" captionTargetBox="[183,1405,213,814]" captionTargetId="figure-653@12.[372,896,193,765]" captionTargetPageId="12" captionText="FIG. 8. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, virtual 3D models of right palatine in ventral (A) and dorsal (B) views. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447803" httpUri="https://zenodo.org/record/4447803/files/figure.png" pageId="13" pageNumber="550">Fig. 8A</figureCitation>
). The denticles on the pterygoid are arranged in four longitudinal rows. The denticles are conical and pointed. Their apices are posteriorly curved. The denticles lying in the most lateral row are the largest (
<figureCitation id="C7882A220332FFEEA80F9299D730F8E2" box="[1308,1372,1778,1804]" captionStart="FIG" captionStartId="13.[132,142,1443,1460]" captionTargetBox="[138,1449,214,1402]" captionTargetId="figure-332@13.[713,1279,763,1329]" captionTargetPageId="13" captionText="FIG. 9. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-C, left pterygoid in dorsal (A) and ventral (B, C) views; D, detail of its denticulate field of the same pterygoid;E, F, virtual 3D models of right pterygoid in ventral (E) and dorsal (F) views. Scale bars: A-C,E, F, 2 mm; D, 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447805" httpUri="https://zenodo.org/record/4447805/files/figure.png" pageId="13" pageNumber="550">Fig. 9</figureCitation>
B-E).
</paragraph>
<paragraph id="5F0C36A70332FFEDAE509379D367F9E3" blockId="13.[811,1457,1555,2028]" lastBlockId="14.[131,777,1427,1549]" lastPageId="14" lastPageNumber="551" pageId="13" pageNumber="550">
Implantation of the marginal teeth is pleurodont. The teeth are large, well exposed over the dorsal crest which supports them laterally (
<figureCitation id="C7882A220332FFEEA92F933AD6FEF882" box="[1084,1170,1873,1900]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="13" pageNumber="550">Figs 1A</figureCitation>
; 
<figureCitation id="C7882A220332FFEEA98E9339D6C7F882" box="[1181,1195,1874,1900]" captionStart="FIG" captionStartId="11.[132,143,1460,1477]" captionTargetBox="[132,1449,215,1416]" captionTargetId="figure-283@11.[659,1211,730,1272]" captionTargetPageId="11" captionText="FIG. 7. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, B, photographs of left maxilla (A) and detail of teeth (B) in lateral view; C, D, virtual 3D model of left maxilla in lateral (C) and medial (D) views; E-G, photograph (E) and virtual 3D models (F, G) of left jugal in lateral (E, F) and medial (G) views. Scale bars: A, B, 1 mm; C, D, 5 mm; E-G, 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447800" httpUri="https://zenodo.org/record/4447800/files/figure.png" pageId="13" pageNumber="550">7</figureCitation>
A-D; 11A-C, F, G; 12), There are 14 tooth positions in the maxilla and 15 tooth positions in dentary. They are conical and curved distally. Their tips are pointed. The mesial and distal cutting edges are well developed (
<figureCitation id="C7882A220332FFEEA91093BAD6EAF805" box="[1027,1158,2001,2027]" captionStart="FIG" captionStartId="15.[132,143,1985,2002]" captionTargetBox="[136,1451,215,1846]" captionTargetId="figure-24@15.[650,1200,756,1307]" captionTargetPageId="15" captionText="FIG. 11. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A-G, photographs (A-D) and virtual 3D models (E-H) of left lower jaw elements and teeth in lateral (A-F) and medial (G, H) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm." figureDoi="http://doi.org/10.5281/zenodo.4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="13" pageNumber="550">Figs 11A, C</figureCitation>
; 
<figureCitation id="C7882A220332FFEEA99C93BAD6C7F805" box="[1167,1195,2001,2027]" captionStart="FIG" captionStartId="16.[132,143,1985,2002]" captionTargetBox="[144,1443,216,1832]" captionTargetId="figure-33@16.[697,1272,751,1297]" captionTargetPageId="16" captionText="FIG. 12. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, photograph; C, D, virtual 3D models of right dentary in lateral (A, B), medial (C) and ventromedial (D) views. Scale bar: 2 mm." figureDoi="http://doi.org/10.5281/zenodo.4447811" httpUri="https://zenodo.org/record/4447811/files/figure.png" pageId="13" pageNumber="550">12</figureCitation>
). The mesial surfaces of apices are smooth. The tooth bases are mesiodistally broad. The largest maxillary teeth are present in the mid-region of the tooth row what corresponds to the size of teeth in the dentary.
</paragraph>
</subSubSection>
<caption id="0BCC662F0331FFEDAD97914AD737FAA7" ID-DOI="http://doi.org/10.5281/zenodo.4447807" ID-Zenodo-Dep="4447807" httpUri="https://zenodo.org/record/4447807/files/figure.png" pageId="14" pageNumber="551" startId="14.[132,143,1313,1330]" targetBox="[139,1444,215,1276]" targetPageId="14">
<paragraph id="5F0C36A70331FFEDAD97914AD737FAA7" blockId="14.[132,1456,1313,1353]" pageId="14" pageNumber="551">
FIG. 10. — 
<taxonomicName id="98B34D240331FFEDADF2914AD06BFADC" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[225,519,1313,1330]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="14" pageNumber="551" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50331FFEDADF2914AD3C8FADC" box="[225,420,1313,1330]" italics="true" pageId="14" pageNumber="551">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B560331FFEDACB8914AD06BFADC" author="JORG E." box="[427,519,1313,1330]" pageId="14" pageNumber="551" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
</taxonomicName>
, SMNK-PAL.8561: 
<emphasis id="6DC7EAB50331FFEDAFB9914AD0A0FADC" bold="true" box="[682,716,1313,1330]" pageId="14" pageNumber="551">A -D</emphasis>
, photograph (
<emphasis id="6DC7EAB50331FFEDAE57914AD13DFADC" bold="true" box="[836,849,1313,1330]" pageId="14" pageNumber="551">A</emphasis>
) and virtual 3D models (
<emphasis id="6DC7EAB50331FFEDA90C914AD62DFADC" bold="true" box="[1055,1089,1313,1330]" pageId="14" pageNumber="551">B -D</emphasis>
) of right fused exoccipital and opisthotic in anterolateral (
<emphasis id="6DC7EAB50331FFEDADE59153D36FFAA7" bold="true" box="[246,259,1336,1353]" pageId="14" pageNumber="551">A</emphasis>
, 
<emphasis id="6DC7EAB50331FFEDAC1E9153D376FAA7" bold="true" box="[269,282,1336,1353]" pageId="14" pageNumber="551">B</emphasis>
), anterior (
<emphasis id="6DC7EAB50331FFEDAC609153D3EDFAA7" bold="true" box="[371,385,1336,1353]" pageId="14" pageNumber="551">C</emphasis>
) and posterolateral (
<emphasis id="6DC7EAB50331FFEDAF3F9153D056FAA7" bold="true" box="[556,570,1336,1353]" pageId="14" pageNumber="551">D</emphasis>
) views. In 
<emphasis id="6DC7EAB50331FFEDAF819153D0D8FAA7" bold="true" box="[658,692,1336,1353]" pageId="14" pageNumber="551">A -C</emphasis>
, fused exoccipital and opisthotic are dorsoventrally turned up. Scale bars: 2 mm.
</paragraph>
</caption>
<subSubSection id="17A9652C0331FFEDAD969258D6F0F942" pageId="14" pageNumber="551" type="discussion">
<paragraph id="5F0C36A70331FFEDAD969258D376F802" blockId="14.[131,776,1586,2028]" pageId="14" pageNumber="551">
<emphasis id="6DC7EAB50331FFEDAD969258D29CF9A3" bold="true" box="[133,240,1587,1613]" pageId="14" pageNumber="551">Remarks.</emphasis>
The marginal teeth of 
<taxonomicName id="98B34D240331FFEDACEF9258D0F2F9A2" authorityName="Jorg" authorityYear="1965" box="[508,670,1587,1613]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="14" pageNumber="551" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50331FFEDACEF9258D0F2F9A2" box="[508,670,1587,1613]" italics="true" pageId="14" pageNumber="551">O. acuminatus</emphasis>
</taxonomicName>
are morphologically similar to those in some extant species of 
<taxonomicName id="98B34D240331FFEDAD979219D296F962" authorityName="Daudin" authorityYear="1803" box="[132,250,1650,1676]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="14" pageNumber="551" phylum="Chordata" rank="genus">
<emphasis id="6DC7EAB50331FFEDAD979219D296F962" box="[132,250,1650,1676]" italics="true" pageId="14" pageNumber="551">Ophisaurus</emphasis>
</taxonomicName>
, like 
<taxonomicName id="98B34D240331FFEDAC229218D3DDF962" authorityName="Gunther" authorityYear="1873" box="[305,433,1650,1677]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="14" pageNumber="551" phylum="Chordata" rank="species" species="koellikeri">
<emphasis id="6DC7EAB50331FFEDAC229218D3DDF962" box="[305,433,1650,1677]" italics="true" pageId="14" pageNumber="551">O. koellikeri</emphasis>
</taxonomicName>
, however, in contrast to 
<taxonomicName id="98B34D240331FFEDAFA09218D2D1F942" authorityName="Gunther" authorityYear="1873" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="14" pageNumber="551" phylum="Chordata" rank="species" species="koellikeri">
<emphasis id="6DC7EAB50331FFEDAFA09218D2D1F942" italics="true" pageId="14" pageNumber="551">O. koellikeri</emphasis>
</taxonomicName>
, the internal surface of their apices is not striated in 
<taxonomicName id="98B34D240331FFEDAD9792D9D34FF922" authorityName="Jorg" authorityYear="1965" box="[132,291,1714,1740]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="14" pageNumber="551" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50331FFEDAD9792D9D34FF922" box="[132,291,1714,1740]" italics="true" pageId="14" pageNumber="551">O. acuminatus</emphasis>
</taxonomicName>
. The teeth of 
<taxonomicName id="98B34D240331FFEDACAA92D9D034F922" authorityName="Jorg" authorityYear="1965" box="[441,600,1714,1740]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="14" pageNumber="551" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50331FFEDACAA92D9D034F922" box="[441,600,1714,1740]" italics="true" pageId="14" pageNumber="551">O. acuminatus</emphasis>
</taxonomicName>
are very similar to those designated as 
<taxonomicName id="98B34D240331FFEDAC6792B9D3B1F902" authorityName="Gray" authorityYear="1825" box="[372,477,1746,1772]" class="Reptilia" family="Anguidae" kingdom="Animalia" order="Squamata" pageId="14" pageNumber="551" phylum="Chordata" rank="subFamily" subFamily="Anguinae">Anguinae</taxonomicName>
indeterminate 1 from early Miocene deposits of North 
<collectingCountry id="27A476370331FFEDACD99299D05CF8E2" box="[458,560,1778,1804]" name="Czech Republic" pageId="14" pageNumber="551">Bohemia</collectingCountry>
(
<collectingCountry id="27A476370331FFEDAF519299D091F8E3" box="[578,765,1778,1805]" name="Czech Republic" pageId="14" pageNumber="551">Czech Republic</collectingCountry>
) (
<bibRefCitation id="3B224B560331FFEDAD9D9379D350F8C2" author="KLEMBARA J." box="[142,316,1809,1836]" pageId="14" pageNumber="551" pagination="171 - 195" refId="ref9318" refString="KLEMBARA J. 2015. - New finds of anguines (Squamata, Anguidae) from the Early Miocene of North-West Bohemia (Czech Republic). Palaontologische Zeitschrift 89: 171 - 195. https: // doi. org / 10.1007 / s 12542 - 014 - 0226 - 4" type="journal article" year="2015">Klembara 2015</bibRefCitation>
). The teeth of 
<taxonomicName id="98B34D240331FFEDACF19379D021F8C2" authorityName="Gray" authorityYear="1825" box="[482,589,1810,1836]" class="Reptilia" family="Anguidae" kingdom="Animalia" order="Squamata" pageId="14" pageNumber="551" phylum="Chordata" rank="subFamily" subFamily="Anguinae">Anguinae</taxonomicName>
indeterminate 1 are posteriorly curved, pointed and have well-developed anterior and posterior cutting edges. The medial surface of their apices is not striated (
<bibRefCitation id="3B224B560331FFEDACC2931AD012F862" author="KLEMBARA J." box="[465,638,1905,1932]" pageId="14" pageNumber="551" pagination="171 - 195" refId="ref9318" refString="KLEMBARA J. 2015. - New finds of anguines (Squamata, Anguidae) from the Early Miocene of North-West Bohemia (Czech Republic). Palaontologische Zeitschrift 89: 171 - 195. https: // doi. org / 10.1007 / s 12542 - 014 - 0226 - 4" type="journal article" year="2015">Klembara 2015</bibRefCitation>
: figs 5, 6A). The teeth in 
<taxonomicName id="98B34D240331FFEDAC0193F9D3DDF845" authorityName="Jorg" authorityYear="1965" box="[274,433,1938,1964]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="14" pageNumber="551" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50331FFEDAC0193F9D3DDF845" box="[274,433,1938,1964]" italics="true" pageId="14" pageNumber="551">O. acuminatus</emphasis>
</taxonomicName>
are also similar to those in the Oligocene 
<taxonomicName id="98B34D240331FFEDADEF93DAD0CEF825" authority="Auge, 1992" authorityName="Auge" authorityYear="1992" box="[252,674,1969,1995]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="14" pageNumber="551" phylum="Chordata" rank="species" species="roqueprunensis">
<emphasis id="6DC7EAB50331FFEDADEF93DAD071F825" box="[252,541,1969,1995]" italics="true" pageId="14" pageNumber="551">Ophisaurus roqueprunensis</emphasis>
<bibRefCitation id="3B224B560331FFEDAF3093DAD0CEF825" author="AUGE M." box="[547,674,1969,1995]" pageId="14" pageNumber="551" pagination="159 - 175" refId="ref8177" refString="AUGE M. 1992. - Uneespecenouvelle d'Ophisaurus (Lacertilia, Anguidae) de l'Oligocene des phosphorites du Quercy. Revision de la sousfamille des Anguinae. Palaontologische Zeitschrift 66: 159 - 175. https: // doi. org / 10.1007 / BF 02989486" type="journal article" year="1992">Augé, 1992</bibRefCitation>
</taxonomicName>
(
<bibRefCitation id="3B224B560331FFEDAFA193DAD365F805" author="AUGE M. &amp; SMITH R." pageId="14" pageNumber="551" pagination="148 - 170" refId="ref8223" refString="AUGE M. &amp; SMITH R. 2009. - An assemblage of early Oligocene lizards (Squamata) from the locality of Boutersem (Belgium), with comments on the Eocene-Oligocene transition. Zoological Journal of the Linnean Society 153: 148 - 170. https: // doi. org / 10.1111 / j. 1096 - 3642.2008.00435. x" type="journal article" year="2009">Augé &amp; Smith 2009</bibRefCitation>
).
</paragraph>
<paragraph id="5F0C36A70331FFEDAE3E91F8D1ACFA42" blockId="14.[810,1456,1427,2028]" box="[813,960,1427,1453]" pageId="14" pageNumber="551">OSTEODERMS</paragraph>
<paragraph id="5F0C36A70331FFEDAE3E91D8D6F0F942" blockId="14.[810,1456,1427,2028]" pageId="14" pageNumber="551">
Almost all osteoderms are incompletely preserved (
<figureCitation id="C7882A220331FFEDA82891D8D714FA23" box="[1339,1400,1459,1485]" captionStart="FIG" captionStartId="4.[132,143,1985,2002]" captionTargetBox="[178,1410,221,1873]" captionTargetId="figure-29@4.[425,983,773,1333]" captionTargetPageId="4" captionText="FIG. 1. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8561: A, holotype of slightly disarticulated skull; B, virtual 3D models of individual bones of the same specimen. Scale bar: 10 mm." figureDoi="http://doi.org/10.5281/zenodo.4447788" httpUri="https://zenodo.org/record/4447788/files/figure.png" pageId="14" pageNumber="551">Figs 1</figureCitation>
; 
<figureCitation id="C7882A220331FFEDA89791D8D7CCFA23" box="[1412,1440,1459,1485]" captionStart="FIG" captionStartId="18.[195,206,921,938]" captionTargetBox="[145,1442,210,887]" captionTargetId="figure-688@18.[160,809,200,722]" captionTargetPageId="18" captionText="FIG. 14. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8610: A-G, osteoderms in external (A, C-G) and internal (B) views. Scale bars: 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447815" httpUri="https://zenodo.org/record/4447815/files/figure.png" pageId="14" pageNumber="551">14</figureCitation>
). Some of them are directly associated with the 
<typeStatus id="800888050331FFEDA80391B8D703FA03" box="[1296,1391,1491,1517]" pageId="14" pageNumber="551" type="holotype">holotype</typeStatus>
being embedded together in the sediment.Additional ten osteoderms are preserved as isolated elements (
<figureCitation id="C7882A220331FFEDA9B89279D694F9C3" box="[1195,1272,1554,1581]" captionStart="FIG" captionStartId="18.[195,206,921,938]" captionTargetBox="[145,1442,210,887]" captionTargetId="figure-688@18.[160,809,200,722]" captionTargetPageId="18" captionText="FIG. 14. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8610: A-G, osteoderms in external (A, C-G) and internal (B) views. Scale bars: 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447815" httpUri="https://zenodo.org/record/4447815/files/figure.png" pageId="14" pageNumber="551">Fig. 14</figureCitation>
). Unfortunately, the internal surface of the isolated osteoderms is not accessible, because the osteoderms had been fixed by the glue on a sheet of paper in the past. The osteoderms studied here can be divided into two morphotypes.
</paragraph>
</subSubSection>
<subSubSection id="17A9652C0331FFF2AE5092D9D16FFA23" lastPageId="17" lastPageNumber="554" pageId="14" pageNumber="551" type="description">
<paragraph id="5F0C36A70331FFEDAE5092D9D6FAF802" blockId="14.[810,1456,1427,2028]" pageId="14" pageNumber="551">
The first morphotype is represented by a slender, flat and more oval (or elliptical) osteoderms (
<figureCitation id="C7882A220331FFEDA9AB92B9D76FF902" box="[1208,1283,1746,1772]" captionStart="FIG" captionStartId="18.[195,206,921,938]" captionTargetBox="[145,1442,210,887]" captionTargetId="figure-688@18.[160,809,200,722]" captionTargetPageId="18" captionText="FIG. 14. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8610: A-G, osteoderms in external (A, C-G) and internal (B) views. Scale bars: 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447815" httpUri="https://zenodo.org/record/4447815/files/figure.png" pageId="14" pageNumber="551">Fig. 14</figureCitation>
A-E). This morphotype has no longitudinal keel and the external side bears a very large gliding surface. The lateral bevel appears to be highest close to this surface. Posteriorly located external surfaces of the osteoderms are ornamented. The ornamentation consists of short ridges, grooves, tubercles and shallow pits. The ridges have a vaguely radial orientation from the anterior portion of the osteoderm. The internal surface is smooth and bears several foramina (
<figureCitation id="C7882A220331FFEDA93993BAD6E5F802" box="[1066,1161,2001,2028]" captionStart="FIG" captionStartId="18.[195,206,921,938]" captionTargetBox="[145,1442,210,887]" captionTargetId="figure-688@18.[160,809,200,722]" captionTargetPageId="18" captionText="FIG. 14. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8610: A-G, osteoderms in external (A, C-G) and internal (B) views. Scale bars: 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447815" httpUri="https://zenodo.org/record/4447815/files/figure.png" pageId="14" pageNumber="551">Fig. 14B</figureCitation>
).
</paragraph>
<caption id="0BCC662F0330FFECAD9793AAD1E2F807" ID-DOI="http://doi.org/10.5281/zenodo.4447809" ID-Zenodo-Dep="4447809" httpUri="https://zenodo.org/record/4447809/files/figure.png" pageId="15" pageNumber="552" startId="15.[132,143,1985,2002]" targetBox="[136,1451,215,1846]" targetPageId="15">
<paragraph id="5F0C36A70330FFECAD9793AAD1E2F807" blockId="15.[132,1456,1985,2025]" pageId="15" pageNumber="552">
FIG. 11. — 
<taxonomicName id="98B34D240330FFECADF293AAD064F83C" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[225,520,1985,2002]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="15" pageNumber="552" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB50330FFECADF293AAD3C8F83C" box="[225,420,1985,2002]" italics="true" pageId="15" pageNumber="552">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B560330FFECACB893AAD064F83C" author="JORG E." box="[427,520,1985,2002]" pageId="15" pageNumber="552" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
</taxonomicName>
, SMNK-PAL.8561: 
<emphasis id="6DC7EAB50330FFECAFB893AAD0A1F83C" bold="true" box="[683,717,1985,2002]" pageId="15" pageNumber="552">A -G</emphasis>
, photographs (
<emphasis id="6DC7EAB50330FFECAE5D93AAD11CF83C" bold="true" box="[846,880,1985,2002]" pageId="15" pageNumber="552">A -D</emphasis>
) and virtual 3D models (
<emphasis id="6DC7EAB50330FFECA95393AAD60DF83C" bold="true" box="[1088,1121,1985,2002]" pageId="15" pageNumber="552">E -H</emphasis>
) of left lower jaw elements and teeth in lateral (
<emphasis id="6DC7EAB50330FFECADD293B3D28CF807" bold="true" box="[193,224,2008,2025]" pageId="15" pageNumber="552">A -F</emphasis>
) and medial (
<emphasis id="6DC7EAB50330FFECAC4393B3D332F807" bold="true" box="[336,350,2008,2025]" pageId="15" pageNumber="552">G</emphasis>
, 
<emphasis id="6DC7EAB50330FFECAC7B93B3D31AF807" bold="true" box="[360,374,2008,2025]" pageId="15" pageNumber="552">H</emphasis>
) views. Scale bars: A, B, 0.5 mm; D, E, H, 2 mm; C, F, G, 5 mm.
</paragraph>
</caption>
<caption id="0BCC662F032FFFF3AD9793AAD3CAF807" ID-DOI="http://doi.org/10.5281/zenodo.4447811" ID-Zenodo-Dep="4447811" httpUri="https://zenodo.org/record/4447811/files/figure.png" pageId="16" pageNumber="553" startId="16.[132,143,1985,2002]" targetBox="[144,1443,216,1832]" targetPageId="16">
<paragraph id="5F0C36A7032FFFF3AD9793AAD3CAF807" blockId="16.[132,1455,1985,2025]" pageId="16" pageNumber="553">
FIG. 12. — 
<taxonomicName id="98B34D24032FFFF3ADCC93AAD06FF83C" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[223,515,1985,2002]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="16" pageNumber="553" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB5032FFFF3ADCC93AAD3CDF83C" box="[223,417,1985,2002]" italics="true" pageId="16" pageNumber="553">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B56032FFFF3ACB493AAD06FF83C" author="JORG E." box="[423,515,1985,2002]" pageId="16" pageNumber="553" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg, 1965</bibRefCitation>
</taxonomicName>
, SMNK-PAL.8561: 
<emphasis id="6DC7EAB5032FFFF3AFB793AAD0DDF83C" bold="true" box="[676,689,1985,2002]" pageId="16" pageNumber="553">A</emphasis>
, photograph; 
<emphasis id="6DC7EAB5032FFFF3AE3493AAD159F83C" bold="true" box="[807,821,1985,2002]" pageId="16" pageNumber="553">C</emphasis>
, 
<emphasis id="6DC7EAB5032FFFF3AE2C93AAD121F83C" bold="true" box="[831,845,1985,2002]" pageId="16" pageNumber="553">D</emphasis>
, virtual 3D models of right dentary in lateral (
<emphasis id="6DC7EAB5032FFFF3A9D193AAD6A3F83C" bold="true" box="[1218,1231,1985,2002]" pageId="16" pageNumber="553">A</emphasis>
, 
<emphasis id="6DC7EAB5032FFFF3A9CA93AAD68AF83C" bold="true" box="[1241,1254,1985,2002]" pageId="16" pageNumber="553">B</emphasis>
), medial (
<emphasis id="6DC7EAB5032FFFF3A82493AAD729F83C" bold="true" box="[1335,1349,1985,2002]" pageId="16" pageNumber="553">C</emphasis>
) and ventromedial (
<emphasis id="6DC7EAB5032FFFF3ADD593B3D2B8F807" bold="true" box="[198,212,2008,2025]" pageId="16" pageNumber="553">D</emphasis>
) views. Scale bar: 2 mm.
</paragraph>
</caption>
<caption id="0BCC662F032EFFF2AD97908AD1DBFAE6" ID-DOI="http://doi.org/10.5281/zenodo.4447813" ID-Zenodo-Dep="4447813" httpUri="https://zenodo.org/record/4447813/files/figure.png" pageId="17" pageNumber="554" startId="17.[132,143,1249,1266]" targetBox="[165,1428,216,1206]" targetPageId="17">
<paragraph id="5F0C36A7032EFFF2AD97908AD1DBFAE6" blockId="17.[132,1455,1249,1288]" pageId="17" pageNumber="554">
FIG. 13. — 
<taxonomicName id="98B34D24032EFFF2ADCF908AD390FB1C" authority="Jorg, 1965" authorityName="Jorg" authorityYear="1965" box="[220,508,1249,1266]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="17" pageNumber="554" phylum="Chordata" rank="species" species="acuminatus">
<emphasis id="6DC7EAB5032EFFF2ADCF908AD3F1FB1C" box="[220,413,1249,1266]" italics="true" pageId="17" pageNumber="554">Ophisaurus acuminatus</emphasis>
<bibRefCitation id="3B224B56032EFFF2ACB1908AD390FB1C" author="JORG E." box="[418,508,1249,1266]" pageId="17" pageNumber="554" pagination="21 - 30" refId="ref9128" refString="JORG E. 1965. - Ophisaurus acuminatus nov. spec. (Anguidae, Rept.) von der pontischenWirbeltier-Fundstatte Hewenegg Hegau. Beitrage zur Naturkundlichen Forschungen in SW-Deutschland 24: 21 - 30." type="journal article" year="1965">Jörg,1965</bibRefCitation>
</taxonomicName>
,SMNK-PAL.8561: 
<emphasis id="6DC7EAB5032EFFF2AF88908AD0C4FB1C" bold="true" box="[667,680,1249,1266]" pageId="17" pageNumber="554">A</emphasis>
, 
<emphasis id="6DC7EAB5032EFFF2AFA3908AD0D1FB1C" bold="true" box="[688,701,1249,1266]" pageId="17" pageNumber="554">B</emphasis>
, right coronoid in lateral (
<emphasis id="6DC7EAB5032EFFF2AE98908AD1F4FB1C" bold="true" box="[907,920,1249,1266]" pageId="17" pageNumber="554">A</emphasis>
) and medial (
<emphasis id="6DC7EAB5032EFFF2A917908AD67DFB1C" bold="true" box="[1028,1041,1249,1266]" pageId="17" pageNumber="554">B</emphasis>
) views; 
<emphasis id="6DC7EAB5032EFFF2A941908AD61FFB1C" bold="true" box="[1106,1139,1249,1266]" pageId="17" pageNumber="554">C -E</emphasis>
, photograph (
<emphasis id="6DC7EAB5032EFFF2A9F4908AD699FB1C" bold="true" box="[1255,1269,1249,1266]" pageId="17" pageNumber="554">C</emphasis>
) and virtual 3D models (
<emphasis id="6DC7EAB5032EFFF2AD9A909CD2FBFAE6" bold="true" box="[137,151,1271,1288]" pageId="17" pageNumber="554">D</emphasis>
, 
<emphasis id="6DC7EAB5032EFFF2ADB2909CD2C1FAE6" bold="true" box="[161,173,1271,1288]" pageId="17" pageNumber="554">E</emphasis>
) of right splenial in lateral (
<emphasis id="6DC7EAB5032EFFF2AC9F909CD3F6FAE6" bold="true" box="[396,410,1271,1288]" pageId="17" pageNumber="554">C</emphasis>
, 
<emphasis id="6DC7EAB5032EFFF2ACB7909CD3DEFAE6" bold="true" box="[420,434,1271,1288]" pageId="17" pageNumber="554">D</emphasis>
) and medial (
<emphasis id="6DC7EAB5032EFFF2AF31909CD042FAE6" bold="true" box="[546,558,1271,1288]" pageId="17" pageNumber="554">E</emphasis>
) views. Scale bars: A, B, D, E, 2 mm; C, 1 mm.
</paragraph>
</caption>
<paragraph id="5F0C36A7032EFFF2AD889138D16FFA23" blockId="17.[130,776,1363,1485]" pageId="17" pageNumber="554">
Osteoderms of the second morphotype are roughly rectangular (
<figureCitation id="C7882A22032EFFF2AD9E9118D36CFA63" box="[141,256,1395,1422]" captionStart="FIG" captionStartId="18.[195,206,921,938]" captionTargetBox="[145,1442,210,887]" captionTargetId="figure-688@18.[160,809,200,722]" captionTargetPageId="18" captionText="FIG. 14. — Ophisaurus acuminatus Jörg, 1965, SMNK-PAL.8610: A-G, osteoderms in external (A, C-G) and internal (B) views. Scale bars: 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4447815" httpUri="https://zenodo.org/record/4447815/files/figure.png" pageId="17" pageNumber="554">Fig.14F, G</figureCitation>
). This 
<typeStatus id="80088805032EFFF2AC51911FD302FA60" box="[322,366,1396,1422]" pageId="17" pageNumber="554">type</typeStatus>
possesses a low medial keel, as well as the ornamented surface and lateral bevel. These osteoderms bear a similar 
<typeStatus id="80088805032EFFF2ADC391D8D291FA23" box="[208,253,1459,1485]" pageId="17" pageNumber="554">type</typeStatus>
of ornamentation as that in the first morphotype.
</paragraph>
</subSubSection>
<subSubSection id="17A9652C032EFFF2AD979198D165F983" pageId="17" pageNumber="554" type="discussion">
<paragraph id="5F0C36A7032EFFF2AD979198D165F983" blockId="17.[131,777,1523,1645]" pageId="17" pageNumber="554">
<emphasis id="6DC7EAB5032EFFF2AD979198D284F9E3" bold="true" box="[132,232,1523,1549]" pageId="17" pageNumber="554">Remarks.</emphasis>
This 
<typeStatus id="80088805032EFFF2AC329198D322F9E3" box="[289,334,1523,1549]" pageId="17" pageNumber="554">type</typeStatus>
of morphology of osteoderms corresponds to that of 
<taxonomicName id="98B34D24032EFFF2ADF49279D335F9C2" authorityName="Daudin" authorityYear="1803" box="[231,345,1554,1580]" class="Reptilia" family="Anguidae" genus="Ophisaurus" kingdom="Animalia" order="Squamata" pageId="17" pageNumber="554" phylum="Chordata" rank="genus">
<emphasis id="6DC7EAB5032EFFF2ADF49279D335F9C2" box="[231,345,1554,1580]" italics="true" pageId="17" pageNumber="554">Ophisaurus</emphasis>
</taxonomicName>
(e.g., 
<bibRefCitation id="3B224B56032EFFF2AC84927FD0A5F9C3" author="CERNANSKY A. &amp; KLEMBARA J." box="[407,713,1554,1584]" pageId="17" pageNumber="554" pagination="1333515" refId="ref8576" refString="CERNANSKY A. &amp; KLEMBARA J. 2017. - A skeleton of Ophisaurus (Squamata: Anguidae) from the middle Miocene of Germany, with a revision of the partly articulated postcranial material from Slovakia using micro-computed tomography. Journal ofVertebrate Paleontology 37: e 1333515. https: // doi. org / 10.1080 / 02724634.2017.1333515" type="journal article" year="2017">Čerňanský &amp; Klembara 2017</bibRefCitation>
). The presence of two morphotypes most likely reflects the position of the osteoderms in the different portion of the body armour.
</paragraph>
</subSubSection>
</treatment>
</document>