417 lines
61 KiB
XML
417 lines
61 KiB
XML
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<mods:title id="4831CDF108549109E56DDAB3197BD5EC">Ornate Bairdiidae (Ostracoda) in 3 dimensions: exploring carapace morphology and pore canals of Triebelina van den Bold, 1946, Nodobairdia Kollmann, 1963 and Mirabairdia Kollmann, 1963</mods:title>
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<mods:namePart id="794631973A7C9470F771917E308C8A90">Forel, Marie-Béatrice</mods:namePart>
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<mods:affiliation id="44F9A187C6CB02A4F8DAFD582C8B7DB5">Centre de Recherche en Paléontologie - Paris (CR 2 P), CNRS / MNHN / SU, Muséum national d'Histoire naturelle, CP 38, 8 rue Buffon, F- 75005 Paris (France)</mods:affiliation>
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<mods:nameIdentifier id="A9900B96900F51FEC3B9DB5B5F62044B" type="email">marie-beatrice.forel@mnhn.fr</mods:nameIdentifier>
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<mods:namePart id="6F92E44F9B018603578982C8AB97861A">Poulet-Crovisier, Nathalie</mods:namePart>
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<mods:affiliation id="E28773BE156DDC072502BE65DB0EC562">Centre de Recherche en Paléontologie - Paris (CR 2 P), CNRS / MNHN / SU, Muséum national d'Histoire naturelle, CP 38, 8 rue Buffon, F- 75005 Paris (France)</mods:affiliation>
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<mods:nameIdentifier id="D71E073B60802853612C90454EE5779D" type="email">nathalie.poulet@mnhn.fr</mods:nameIdentifier>
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<mods:namePart id="29FD6299C229AC64661C3FDFAF48BB25">Korat, Lidija</mods:namePart>
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<mods:affiliation id="7424B076360551FE44583E3D509A2BC7">Slovenian National Building and Civil Engineering Institute, Dimičeva 12, 1000 Ljubljana (Slovenia) lidija. korat @ zag. si</mods:affiliation>
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<mods:namePart id="45E4D6407530CC80CCBDCF469FB5A4EE">Maddocks, Rosalie F.</mods:namePart>
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<mods:affiliation id="CF9C2FF8523E16EAD645EF95EFF8413A">Department of Earth and Atmospheric Sciences, Room 312 Science & Research Building 1, University of Houston, Houston, TX 77204 - 5007 (United States) rmaddock @ Central. UH. EDU</mods:affiliation>
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<treatment id="03C708157D4BDB277560FC3DFBCFDE62" ID-DOI="http://doi.org/10.5281/zenodo.14232189" ID-GBIF-Taxon="247601316" ID-Zenodo-Dep="14232189" LSID="urn:lsid:plazi:treatment:03C708157D4BDB277560FC3DFBCFDE62" httpUri="http://treatment.plazi.org/id/03C708157D4BDB277560FC3DFBCFDE62" lastPageId="15" lastPageNumber="150" pageId="11" pageNumber="146" scope_class="Ostracoda" scope_family="Bairdiidae">
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<taxonomicName id="4C6EC2807D4BDB237560FC3DFAEBD883" authority="KOLLMANN, 1963" authorityName="Kollmann" authorityYear="1963" box="[813,1303,917,944]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="159" phylum="Arthropoda" rank="species" species="mammillata">
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<bibRefCitation id="EFFFC4F27D4BDB237218FC3DFAEBD883" author="KOLLMANN K." box="[1109,1303,917,944]" pageId="11" pageNumber="146" pagination="121 - 203" refId="ref12250" refString="KOLLMANN K. 1963. - Ostracoden aus der alpinen Trias. II. Weitere Bairdiidae. Jahrbuch der Geologischen Bundesanstalt 106: 121 - 203 (in German)." type="journal article" year="1963">
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<smallCapsWord id="8D372FDF7D4BDB237218FC3DFB2DD882" baselines="937,937" box="[1109,1233,918,944]" lowerCaseFontSize="8" mainFontSize="11" normCase="title" normString="Kollmann" pageId="11" pageNumber="146">KOLLMANN</smallCapsWord>
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, 1963
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</paragraph>
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<paragraph id="8BD1B9037D4BDB237560FC1EFC10D8E3" blockId="11.[811,1457,917,2027]" box="[813,1004,949,975]" pageId="11" pageNumber="146">
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<emphasis id="B91A65117D4BDB237560FC1EFC10D8E3" box="[813,1004,949,975]" italics="true" pageId="11" pageNumber="146">External structures</emphasis>
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</paragraph>
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<paragraph id="8BD1B9037D4BDB237560FC7EFAFDDE02" blockId="11.[811,1457,917,2027]" pageId="11" pageNumber="146">
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The
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material of
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<taxonomicName id="4C6EC2807D4BDB23726DFC7EFAC4D8C3" authorityName="Kollmann" authorityYear="1963" box="[1056,1336,981,1007]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="146" phylum="Arthropoda" rank="species" species="mammillata">
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<emphasis id="B91A65117D4BDB23726DFC7EFAC4D8C3" box="[1056,1336,981,1007]" italics="true" pageId="11" pageNumber="146">Nodobairdia mammillata</emphasis>
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</taxonomicName>
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(
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<typeStatus id="54D507A17D4BDB23730AFC7EFA85D8C3" box="[1351,1401,981,1007]" pageId="11" pageNumber="146">type</typeStatus>
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species of
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<taxonomicName id="4C6EC2807D4BDB237532FC5EFB36DF23" authority="Kollmann, 1963" authorityName="Kollmann" authorityYear="1963" box="[895,1226,1013,1039]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="146" phylum="Arthropoda" rank="genus">
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<emphasis id="B91A65117D4BDB237532FC5EFBFBDF23" box="[895,1031,1013,1039]" italics="true" pageId="11" pageNumber="146">Nodobairdia</emphasis>
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<bibRefCitation id="EFFFC4F27D4BDB237242FC5EFB36DF23" author="KOLLMANN K." box="[1039,1226,1013,1039]" pageId="11" pageNumber="146" pagination="121 - 203" refId="ref12250" refString="KOLLMANN K. 1963. - Ostracoden aus der alpinen Trias. II. Weitere Bairdiidae. Jahrbuch der Geologischen Bundesanstalt 106: 121 - 203 (in German)." type="journal article" year="1963">Kollmann, 1963</bibRefCitation>
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</taxonomicName>
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) was incrusted with sediments that limited the observations, but allowing the recognition of its diagnostic features (
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<bibRefCitation id="EFFFC4F27D4BDB23728EFB9EFA8DDF63" author="KOLLMANN K." box="[1219,1393,1077,1103]" pageId="11" pageNumber="146" pagination="121 - 203" refId="ref12250" refString="KOLLMANN K. 1963. - Ostracoden aus der alpinen Trias. II. Weitere Bairdiidae. Jahrbuch der Geologischen Bundesanstalt 106: 121 - 203 (in German)." type="journal article" year="1963">Kollmann 1963</bibRefCitation>
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). The 3D investigation offers the unique opportunity to virtually remove all sediment masking inner and outer morphology and characters of the valves. Based on the size diagram in
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<bibRefCitation id="EFFFC4F27D4BDB237563FB1FFBE3DFE2" author="FOREL M. - B. & MOIX P." box="[814,1055,1204,1230]" pageId="11" pageNumber="146" pagination="1 - 18" refId="ref11015" refString="FOREL M. - B. & MOIX P. 2020. - Late Triassic ostracods from the Lycian Nappes, southwestern Turkey: implications on taxonomy and palaeobiogeographical distribution. Bulletin de la Societe geologique de France 191 (30): 1 - 18. https: // doi. org / 10.1051 / bsgf / 2020035" type="journal article" year="2020">Forel & Moix (2020)</bibRefCitation>
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, the dimensions of the isolated LV studied here (Appendix 1) may correspond to a submature A-1 stage (
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<figureCitation id="1355A5867D4BDB2375D7FB5FFC29DE22" box="[922,981,1268,1294]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="11" pageNumber="146">Fig. 6</figureCitation>
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), while the carapace corresponds to a younger juvenile, possibly of A-3 stage (Fig. 7A-F).
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</paragraph>
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<paragraph id="8BD1B9037D4BDB23750EFA9FFAA8DDE0" blockId="11.[811,1457,917,2027]" pageId="11" pageNumber="146">
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The diagnostic features of
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<taxonomicName id="4C6EC2807D4BDB23721EFA9FFAA7DE62" authorityName="Kollmann" authorityYear="1963" box="[1107,1371,1332,1358]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="146" phylum="Arthropoda" rank="species" species="mammillata">
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<emphasis id="B91A65117D4BDB23721EFA9FFAA7DE62" box="[1107,1371,1332,1358]" italics="true" pageId="11" pageNumber="146">Nodobairdia mammillata</emphasis>
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</taxonomicName>
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include three aligned subventral nodes, two dorsal nodes at LV and four subdorsal nodes at both valves, the anterior and posterior ones being oblong (
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<bibRefCitation id="EFFFC4F27D4BDB237261FA38FB2BDE81" author="KOLLMANN K." box="[1068,1239,1427,1453]" pageId="11" pageNumber="146" pagination="121 - 203" refId="ref12250" refString="KOLLMANN K. 1963. - Ostracoden aus der alpinen Trias. II. Weitere Bairdiidae. Jahrbuch der Geologischen Bundesanstalt 106: 121 - 203 (in German)." type="journal article" year="1963">Kollmann 1963</bibRefCitation>
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). In this species, the antero-dorsal and postero-dorsal nodes at LV are reduced in submature stages and adults, and the subventral nodes coalesce in adults (
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<bibRefCitation id="EFFFC4F27D4BDB237582FA58FB87DD21" author="KOLLMANN K." box="[975,1147,1523,1549]" pageId="11" pageNumber="146" pagination="121 - 203" refId="ref12250" refString="KOLLMANN K. 1963. - Ostracoden aus der alpinen Trias. II. Weitere Bairdiidae. Jahrbuch der Geologischen Bundesanstalt 106: 121 - 203 (in German)." type="journal article" year="1963">Kollmann 1963</bibRefCitation>
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). These features are observed in our largest LV (
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<figureCitation id="1355A5867D4BDB2375BEF9B8FBBBDD01" box="[1011,1095,1555,1581]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="11" pageNumber="146">Fig. 6A</figureCitation>
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), confirming its submature stage, while the strong antero-dorsal node and unfused subventral nodes of the carapace (Fig. 7A, B) confirm that it represents a younger stage. The coalescence of the ventral row of nodes in the largest LV confirms the
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<taxonomicName id="4C6EC2807D4BDB23722BF938FAFBDD81" authorityName="Kollmann" authorityYear="1963" box="[1126,1287,1683,1709]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="146" phylum="Arthropoda" rank="species" species="mammillata">
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<emphasis id="B91A65117D4BDB23722BF938FAFBDD81" box="[1126,1287,1683,1709]" italics="true" pageId="11" pageNumber="146">N. mammillata</emphasis>
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</taxonomicName>
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attribution and differentiates it from
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<taxonomicName id="4C6EC2807D4BDB23725CF918FAACDDE0" authority="Kollmann, 1963" authorityName="Kollmann" authorityYear="1963" box="[1041,1360,1714,1740]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="11" pageNumber="146" phylum="Arthropoda" rank="species" species="verrucosa">
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<emphasis id="B91A65117D4BDB23725CF918FB6FDDE0" box="[1041,1171,1715,1740]" italics="true" pageId="11" pageNumber="146">N. verrucosa</emphasis>
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<bibRefCitation id="EFFFC4F27D4BDB2372D7F919FAACDDE0" author="KOLLMANN K." box="[1178,1360,1714,1740]" pageId="11" pageNumber="146" pagination="121 - 203" refId="ref12250" refString="KOLLMANN K. 1963. - Ostracoden aus der alpinen Trias. II. Weitere Bairdiidae. Jahrbuch der Geologischen Bundesanstalt 106: 121 - 203 (in German)." type="journal article" year="1963">Kollmann, 1963</bibRefCitation>
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</taxonomicName>
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.
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||
</paragraph>
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||
<paragraph id="8BD1B9037D4BDB27750EF979FE78DA1E" blockId="11.[811,1457,917,2027]" lastBlockId="15.[130,775,216,720]" lastPageId="15" lastPageNumber="150" pageId="11" pageNumber="146">
|
||
The 3D investigation of the LV shows that the wall is actually thickened between the two dorsal nodes (
|
||
<figureCitation id="1355A5867D4BDB237345F959FAB8DC20" box="[1288,1348,1778,1804]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="11" pageNumber="146">Fig. 6</figureCitation>
|
||
A-C). The convexity in the lateral outline is formed by a dorsal ridge that seems to develop quite late during the ontogeny, as it is less prominent in the carapace (Fig. 7A-C). The macro-ornamentation features are covered with verrucae (
|
||
<figureCitation id="1355A5867D4BDB23731BF8D9FA57DCA0" box="[1366,1451,1906,1932]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="11" pageNumber="146">Figs 6A</figureCitation>
|
||
; 7A, B) that are also visible for instance in
|
||
<bibRefCitation id="EFFFC4F27D4BDB2372A5F839FC93DCE0" author="KRISTAN-TOLLMANN E." pageId="11" pageNumber="146" pagination="77 - 104" refId="ref12531" refString="KRISTAN-TOLLMANN E. 1978. - Bairdiidae (Ostracoda) aus den obertriadischen Cassianer Schichten der Ruones-Wiesen bei Corvara in Sudtirol. Schriftenreihe der Erdwissenschaftlichen Kommissionen, Osterreichische Akademie der Wissenschaften 4: 77 - 104 (in German)." type="journal article" year="1978">Kristan-Tollmann (1978</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFFFC4F27D4BDB237536F819FC49DCE0" author="KRISTAN-TOLLMANN E." box="[891,949,1970,1996]" pageId="11" pageNumber="146" pagination="201 - 222" refId="ref12572" refString="KRISTAN-TOLLMANN E. 1986. - Beobachtungen zur Trias am Sudostende derTethys-Papua / Neuguinea, Australien, Neuseeland. Neues Jahrbuch fur Geologie und Palaontologie, Monatshefte 4: 201 - 222 (in German). https: // doi. org / 10.1127 / njgpm / 1986 / 1986 / 201" type="journal article" year="1986">1986</bibRefCitation>
|
||
) and
|
||
<bibRefCitation id="EFFFC4F27D4BDB2375A2F819FA85DCE0" author="DEPECHE F. & CRASQUIN-SOLEAU S." box="[1007,1401,1970,1996]" pageId="11" pageNumber="146" pagination="453 - 462" refId="ref10890" refString="DEPECHE F. & CRASQUIN-SOLEAU S. 1992. - Triassic marine ostracodes of the Australian margin (Holes 759 B, 760 B, 761 C, 764 A and 764 B). Proceedings of the Ocean Drilling Program, Scientific Results 122: 453 - 462. https: // doi. org / 10.2973 / odp. proc. sr. 122.177.1992" type="journal article" year="1992">Dépêche & Crasquin-Soleau (1992)</bibRefCitation>
|
||
. The median surface, which is delimited by the subventral and subdorsal structures, displays a reticulum made of round, large and deep fossae; they are more developed in the isolated LV and mainly seen on individual scans (
|
||
<figureCitation id="1355A5867D4CDB247450F899FD77DC60" box="[541,651,1842,1869]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="12" pageNumber="147">Fig. 6H, I</figureCitation>
|
||
). The three subventral nodes delimit a flat and smooth ventral surface (
|
||
<figureCitation id="1355A5867D4CDB2476C3F8D9FF1BDCA0" box="[142,231,1906,1932]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="12" pageNumber="147">Figs 6G</figureCitation>
|
||
; 7D). The anterior extension, termed “nose”, was taken as a subgeneric marker of
|
||
<taxonomicName id="4C6EC2807D4CDB247797F839FD1BDC80" authorityName="Kollmann" authorityYear="1963" box="[474,743,1938,1964]" class="Ostracoda" family="Bairdiidae" genus="Triebelina" kingdom="Animalia" order="Podocopida" pageId="12" pageNumber="147" phylum="Arthropoda" rank="subGenus" subGenus="Nodobairdia">
|
||
<emphasis id="B91A65117D4CDB247797F839FDBADC80" box="[474,582,1938,1964]" italics="true" pageId="12" pageNumber="147">Triebelina</emphasis>
|
||
(
|
||
<emphasis id="B91A65117D4CDB24741AF839FD22DC80" box="[599,734,1938,1964]" italics="true" pageId="12" pageNumber="147">Nodobairdia</emphasis>
|
||
)
|
||
</taxonomicName>
|
||
by
|
||
<bibRefCitation id="EFFFC4F27D4CDB2476CEF819FEEFDCE0" author="BOLZ H." box="[131,275,1970,1996]" pageId="12" pageNumber="147" pagination="717 - 745" refId="ref10419" refString="BOLZ H. 1971 b. - Late Triassic Bairdiidae and Healdiidae, in OERTLI H. J. (ed.), Paleoecologie des Ostracodes. Bulletin du Centre de Recherche, SNPA 5 (Supplement): 717 - 745." type="journal article" year="1971">Bolz (1971b)</bibRefCitation>
|
||
, who considered it as antero-ventral marginal denticles interconnected by a calcitic layer, i.e., a frill. This structure appears to be hollow in the isolated LV (Fig. 8A, B), but it is impossible to confirm whether a radial pore canal is present. A tiny opening seems to be present at the extremity of the nose in the LV of the carapace, but the definition of the scan does not allow further precision. In both LV, the postero-ventral margin is thickened and bears three parallel rows of full spines that are more strongly developed in the largest LV; they also develop anteriorly and are interrupted by the oral concavity (
|
||
<figureCitation id="1355A5867D4FDB277732FF73FE25DBDE" box="[383,473,216,242]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="15" pageNumber="150">Fig. 6G</figureCitation>
|
||
). The thickened portion of the carapace is separated from the actual margin by a narrow flat area (Fig. 7D).
|
||
</paragraph>
|
||
<caption id="DF11E98B7D4CDB2476C9F9DDFA4DDDE7" pageId="12" pageNumber="147" startId="12.[132,143,1654,1671]" targetBox="[133,1454,196,1611]" targetPageId="12" targetType="figure">
|
||
<paragraph id="8BD1B9037D4CDB2476C9F9DDFA4DDDE7" blockId="12.[132,1457,1654,1739]" pageId="12" pageNumber="147">
|
||
<smallCapsWord id="8D372FDF7D4CDB2476C9F9DDFF61DDAB" baselines="1667,1668" box="[132,157,1654,1671]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="12" pageNumber="147">FIG</smallCapsWord>
|
||
. 6. —
|
||
<taxonomicName id="4C6EC2807D4CDB247699F9DDFDD5DDAB" authority="Kollmann, 1963" authorityName="Kollmann" authorityYear="1963" box="[212,553,1654,1671]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="12" pageNumber="147" phylum="Arthropoda" rank="species" species="mammillata">
|
||
<emphasis id="B91A65117D4CDB247699F9DDFE63DDAB" box="[212,415,1654,1671]" italics="true" pageId="12" pageNumber="147">Nodobairdia mammillata</emphasis>
|
||
<bibRefCitation id="EFFFC4F27D4CDB2477E9F9DDFDD5DDAB" author="KOLLMANN K." box="[420,553,1654,1671]" pageId="12" pageNumber="147" pagination="121 - 203" refId="ref12250" refString="KOLLMANN K. 1963. - Ostracoden aus der alpinen Trias. II. Weitere Bairdiidae. Jahrbuch der Geologischen Bundesanstalt 106: 121 - 203 (in German)." type="journal article" year="1963">Kollmann, 1963</bibRefCitation>
|
||
</taxonomicName>
|
||
, left valve (
|
||
<collectionCode id="ED7F21C67D4CDB2474C9F9DDFD5BDDAB" box="[644,679,1654,1671]" pageId="12" pageNumber="147">MHI</collectionCode>
|
||
2053/1):
|
||
<emphasis id="B91A65117D4CDB2474BBF9DDFCE4DDAB" bold="true" box="[758,792,1654,1671]" pageId="12" pageNumber="147">A -G</emphasis>
|
||
, 3D reconstructions:
|
||
<emphasis id="B91A65117D4CDB247586F9DDFC24DDAB" bold="true" box="[971,984,1654,1671]" pageId="12" pageNumber="147">A</emphasis>
|
||
, outer view with
|
||
<emphasis id="B91A65117D4CDB24722BF9DDFB1BDDAB" bold="true" box="[1126,1255,1654,1671]" pageId="12" pageNumber="147">red dotted line</emphasis>
|
||
showing the position of individual scan in
|
||
<emphasis id="B91A65117D4CDB24775BF926FEE0DDB2" bold="true" box="[278,284,1677,1694]" pageId="12" pageNumber="147">I</emphasis>
|
||
;
|
||
<emphasis id="B91A65117D4CDB247768F926FECEDDB2" bold="true" box="[293,306,1677,1694]" pageId="12" pageNumber="147">B</emphasis>
|
||
, inner view with blue box shows the position of AMS and insight in
|
||
<emphasis id="B91A65117D4CDB247518F926FCA3DDB2" bold="true" box="[853,863,1677,1694]" pageId="12" pageNumber="147">J</emphasis>
|
||
;
|
||
<emphasis id="B91A65117D4CDB247524F926FC8BDDB2" bold="true" box="[873,887,1677,1694]" pageId="12" pageNumber="147">C</emphasis>
|
||
, dorsal view;
|
||
<emphasis id="B91A65117D4CDB2475AAF926FC09DDB2" bold="true" box="[999,1013,1677,1694]" pageId="12" pageNumber="147">D</emphasis>
|
||
, subventral inner view with insight on the ventral area;
|
||
<emphasis id="B91A65117D4CDB2476C9F90FFF6CDD99" bold="true" box="[132,144,1700,1717]" pageId="12" pageNumber="147">E</emphasis>
|
||
, anterior view with
|
||
<emphasis id="B91A65117D4CDB24777EF90FFE48DD99" bold="true" box="[307,436,1700,1717]" pageId="12" pageNumber="147">red dotted line</emphasis>
|
||
showing the position of individual scan in
|
||
<emphasis id="B91A65117D4CDB24755AF90FFCD9DD99" bold="true" box="[791,805,1700,1717]" pageId="12" pageNumber="147">H</emphasis>
|
||
;
|
||
<emphasis id="B91A65117D4CDB247562F90FFCC6DD99" bold="true" box="[815,826,1700,1717]" pageId="12" pageNumber="147">F</emphasis>
|
||
, posterior view;
|
||
<emphasis id="B91A65117D4CDB247589F90FFC2EDD99" bold="true" box="[964,978,1700,1717]" pageId="12" pageNumber="147">G</emphasis>
|
||
, ventral view;
|
||
<emphasis id="B91A65117D4CDB247207F90FFBA4DD99" bold="true" box="[1098,1112,1700,1717]" pageId="12" pageNumber="147">H</emphasis>
|
||
,
|
||
<emphasis id="B91A65117D4CDB24722EF90FFB95DD99" bold="true" box="[1123,1129,1700,1717]" pageId="12" pageNumber="147">I</emphasis>
|
||
, individual scans, position on the valve shown in
|
||
<emphasis id="B91A65117D4CDB24769EF911FF1CDDE7" bold="true" box="[211,224,1722,1739]" pageId="12" pageNumber="147">A</emphasis>
|
||
and
|
||
<emphasis id="B91A65117D4CDB247744F911FEE9DDE7" bold="true" box="[265,277,1722,1739]" pageId="12" pageNumber="147">E</emphasis>
|
||
;
|
||
<emphasis id="B91A65117D4CDB24776DF911FED2DDE7" bold="true" box="[288,302,1722,1739]" pageId="12" pageNumber="147">H</emphasis>
|
||
, sagittal view;
|
||
<emphasis id="B91A65117D4CDB2477E5F911FE52DDE7" bold="true" box="[424,430,1722,1739]" pageId="12" pageNumber="147">I</emphasis>
|
||
, coronal view;
|
||
<emphasis id="B91A65117D4CDB247467F911FDC8DDE7" bold="true" box="[554,564,1722,1739]" pageId="12" pageNumber="147">J</emphasis>
|
||
, reconstruction of the AMS with individual scars noted
|
||
<emphasis id="B91A65117D4CDB2475B2F911FBF6DDE7" bold="true" box="[1023,1034,1722,1739]" pageId="12" pageNumber="147">a</emphasis>
|
||
to
|
||
<emphasis id="B91A65117D4CDB247269F911FBD3DDE7" bold="true" box="[1060,1071,1722,1739]" pageId="12" pageNumber="147">h</emphasis>
|
||
,
|
||
<emphasis id="B91A65117D4CDB247277F911FB92DDE7" bold="true" box="[1082,1134,1722,1739]" pageId="12" pageNumber="147">arrow</emphasis>
|
||
points to anterior. Scale bars: 100 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF11E98B7D4DDB2576C9F83FFEACDCC5" pageId="13" pageNumber="148" startId="13.[132,143,1940,1957]" targetBox="[159,1428,216,1881]" targetPageId="13" targetType="figure">
|
||
<paragraph id="8BD1B9037D4DDB2576C9F83FFEACDCC5" blockId="13.[132,1457,1940,2025]" pageId="13" pageNumber="148">
|
||
<smallCapsWord id="8D372FDF7D4DDB2576C9F83FFF61DC88" baselines="1953,1953" box="[132,157,1940,1957]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="13" pageNumber="148">FIG</smallCapsWord>
|
||
. 7. — 3D reconstructions of
|
||
<taxonomicName id="4C6EC2807D4DDB2577C0F83FFD23DC89" authority="Kollmann, 1963" authorityName="Kollmann" authorityYear="1963" box="[397,735,1940,1957]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="13" pageNumber="148" phylum="Arthropoda" rank="species" species="mammillata">
|
||
<emphasis id="B91A65117D4DDB2577C0F83FFDABDC89" box="[397,599,1940,1957]" italics="true" pageId="13" pageNumber="148">Nodobairdia mammillata</emphasis>
|
||
<bibRefCitation id="EFFFC4F27D4DDB257410F83FFD23DC89" author="KOLLMANN K." box="[605,735,1940,1957]" pageId="13" pageNumber="148" pagination="121 - 203" refId="ref12250" refString="KOLLMANN K. 1963. - Ostracoden aus der alpinen Trias. II. Weitere Bairdiidae. Jahrbuch der Geologischen Bundesanstalt 106: 121 - 203 (in German)." type="journal article" year="1963">Kollmann, 1963</bibRefCitation>
|
||
</taxonomicName>
|
||
showing the distribution of nodule-like A” pores, labelled 1 to 14 at LV and A’ to 14’ at RV:
|
||
<emphasis id="B91A65117D4DDB2576E5F800FF3BDC90" bold="true" box="[168,199,1963,1980]" pageId="13" pageNumber="148">A -F</emphasis>
|
||
, juvenile carapace (
|
||
<collectionCode id="ED7F21C67D4DDB257723F800FE6DDC90" box="[366,401,1963,1980]" pageId="13" pageNumber="148">MHI</collectionCode>
|
||
2053/2);
|
||
<emphasis id="B91A65117D4DDB2577ACF800FE12DC90" bold="true" box="[481,494,1963,1980]" pageId="13" pageNumber="148">A</emphasis>
|
||
, right lateral view;
|
||
<emphasis id="B91A65117D4DDB2574C0F800FD66DC90" bold="true" box="[653,666,1963,1980]" pageId="13" pageNumber="148">B</emphasis>
|
||
, left lateral view with blue arrows showing the position of individual scan in
|
||
<emphasis id="B91A65117D4DDB257354F800FADBDC90" bold="true" box="[1305,1319,1963,1980]" pageId="13" pageNumber="148">H</emphasis>
|
||
;
|
||
<emphasis id="B91A65117D4DDB25737FF800FABCDC90" bold="true" box="[1330,1344,1963,1980]" pageId="13" pageNumber="148">C</emphasis>
|
||
, dorsal view;
|
||
<emphasis id="B91A65117D4DDB2576C9F869FF6EDCFF" bold="true" box="[132,146,1986,2003]" pageId="13" pageNumber="148">D</emphasis>
|
||
, ventral view;
|
||
<emphasis id="B91A65117D4DDB257745F869FEE8DCFF" bold="true" box="[264,276,1986,2003]" pageId="13" pageNumber="148">E</emphasis>
|
||
, anterior view;
|
||
<emphasis id="B91A65117D4DDB2577DFF869FE61DCFF" bold="true" box="[402,413,1986,2003]" pageId="13" pageNumber="148">F</emphasis>
|
||
, posterior view;
|
||
<emphasis id="B91A65117D4DDB25746BF869FDC8DCFF" bold="true" box="[550,564,1986,2003]" pageId="13" pageNumber="148">G</emphasis>
|
||
, left lateral view of the submature LV (
|
||
<collectionCode id="ED7F21C67D4DDB257523F869FC6DDCFF" box="[878,913,1986,2003]" pageId="13" pageNumber="148">MHI</collectionCode>
|
||
2053/1) with
|
||
<emphasis id="B91A65117D4DDB25724CF869FB96DCFF" bold="true" box="[1025,1130,1986,2003]" pageId="13" pageNumber="148">blue arrows</emphasis>
|
||
showing the position of individual scan in
|
||
<emphasis id="B91A65117D4DDB2576D5F873FF62DCC5" bold="true" box="[152,158,2008,2025]" pageId="13" pageNumber="148">I</emphasis>
|
||
. Scale bars: 100 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF11E98B7D4EDB2676C9F8CCFCFBDCC5" pageId="14" pageNumber="149" startId="14.[132,143,1895,1912]" targetBox="[132,1455,214,1867]" targetPageId="14" targetType="figure">
|
||
<paragraph id="8BD1B9037D4EDB2676C9F8CCFCFBDCC5" blockId="14.[132,1456,1895,2025]" pageId="14" pageNumber="149">
|
||
<smallCapsWord id="8D372FDF7D4EDB2676C9F8CCFF61DC5B" baselines="1908,1908" box="[132,157,1895,1912]" lowerCaseFontSize="5" mainFontSize="7" normCase="title" normString="Fig" pageId="14" pageNumber="149">FIG</smallCapsWord>
|
||
. 8. — 3D reconstructions and individual scans of
|
||
<taxonomicName id="4C6EC2807D4EDB26740EF8CCFC65DC54" authority="Kollmann, 1963" authorityName="Kollmann" authorityYear="1963" box="[579,921,1895,1912]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="14" pageNumber="149" phylum="Arthropoda" rank="species" species="mammillata">
|
||
<emphasis id="B91A65117D4EDB26740EF8CCFCF2DC54" box="[579,782,1895,1912]" italics="true" pageId="14" pageNumber="149">Nodobairdia mammillata</emphasis>
|
||
<bibRefCitation id="EFFFC4F27D4EDB267559F8CCFC65DC54" author="KOLLMANN K." box="[788,921,1895,1912]" pageId="14" pageNumber="149" pagination="121 - 203" refId="ref12250" refString="KOLLMANN K. 1963. - Ostracoden aus der alpinen Trias. II. Weitere Bairdiidae. Jahrbuch der Geologischen Bundesanstalt 106: 121 - 203 (in German)." type="journal article" year="1963">Kollmann, 1963</bibRefCitation>
|
||
</taxonomicName>
|
||
:
|
||
<emphasis id="B91A65117D4EDB2675EFF8CCFC38DC54" bold="true" box="[930,964,1895,1912]" pageId="14" pageNumber="149">A -C</emphasis>
|
||
, isolated LV (
|
||
<collectionCode id="ED7F21C67D4EDB26727BF8CCFBA5DC54" box="[1078,1113,1895,1912]" pageId="14" pageNumber="149">MHI</collectionCode>
|
||
2053/1);
|
||
<emphasis id="B91A65117D4EDB2672E4F8CCFB4ADC54" bold="true" box="[1193,1206,1895,1912]" pageId="14" pageNumber="149">A</emphasis>
|
||
, anterior view of the with
|
||
<emphasis id="B91A65117D4EDB2673DFF8CCFF10DCA2" bold="true" pageId="14" pageNumber="149">red dotted lines</emphasis>
|
||
showing the position of individual scans in
|
||
<emphasis id="B91A65117D4EDB26741CF8D6FDA2DCA2" bold="true" box="[593,606,1917,1934]" pageId="14" pageNumber="149">B</emphasis>
|
||
and
|
||
<emphasis id="B91A65117D4EDB2674CBF8D6FD68DCA2" bold="true" box="[646,660,1917,1934]" pageId="14" pageNumber="149">C</emphasis>
|
||
;
|
||
<emphasis id="B91A65117D4EDB2674D0F8D6FD56DCA2" bold="true" box="[669,682,1917,1934]" pageId="14" pageNumber="149">B</emphasis>
|
||
,
|
||
<emphasis id="B91A65117D4EDB2674F9F8D6FD3EDCA2" bold="true" box="[692,706,1917,1934]" pageId="14" pageNumber="149">C</emphasis>
|
||
, individual scans, position on the valve shown in
|
||
<emphasis id="B91A65117D4EDB26721BF8D6FB9FDCA2" bold="true" box="[1110,1123,1917,1934]" pageId="14" pageNumber="149">A</emphasis>
|
||
;
|
||
<emphasis id="B91A65117D4EDB267221F8D6FB85DCA2" bold="true" box="[1132,1145,1917,1934]" pageId="14" pageNumber="149">B</emphasis>
|
||
, sagittal section with
|
||
<emphasis id="B91A65117D4EDB267361F8D6FA8BDCA2" bold="true" box="[1324,1399,1917,1934]" pageId="14" pageNumber="149">blue box</emphasis>
|
||
showing the hollow nose at the anterior margin;
|
||
<emphasis id="B91A65117D4EDB2677BFF83FFDFCDC89" bold="true" box="[498,512,1940,1957]" pageId="14" pageNumber="149">C</emphasis>
|
||
, sagittal section with
|
||
<emphasis id="B91A65117D4EDB2674F4F83FFCFBDC89" bold="true" box="[697,775,1940,1957]" pageId="14" pageNumber="149">blue box</emphasis>
|
||
showing the bairdoppilate teeth;
|
||
<emphasis id="B91A65117D4EDB26726EF83FFBB9DC89" bold="true" box="[1059,1093,1940,1957]" pageId="14" pageNumber="149">D -K</emphasis>
|
||
, juvenile carapace (
|
||
<collectionCode id="ED7F21C67D4EDB2672A3F83FFAEDDC89" box="[1262,1297,1940,1957]" pageId="14" pageNumber="149">MHI</collectionCode>
|
||
2053/2);
|
||
<emphasis id="B91A65117D4EDB26732FF83FFA8CDC89" bold="true" box="[1378,1392,1940,1957]" pageId="14" pageNumber="149">D</emphasis>
|
||
, dorsal view with
|
||
<emphasis id="B91A65117D4EDB267694F800FE9ADC90" bold="true" box="[217,358,1963,1980]" pageId="14" pageNumber="149">red dotted lines</emphasis>
|
||
showing the position of individual scans (coronal sections) in
|
||
<emphasis id="B91A65117D4EDB267538F800FC6ADC90" bold="true" box="[885,918,1963,1980]" pageId="14" pageNumber="149">E -G</emphasis>
|
||
with dorsal contact of the valves;
|
||
<emphasis id="B91A65117D4EDB2672F6F800FB3BDC90" bold="true" box="[1211,1223,1963,1980]" pageId="14" pageNumber="149">E</emphasis>
|
||
, posterior end;
|
||
<emphasis id="B91A65117D4EDB267303F800FAA5DC90" bold="true" box="[1358,1369,1963,1980]" pageId="14" pageNumber="149">F</emphasis>
|
||
, posterior half;
|
||
<emphasis id="B91A65117D4EDB2676E1F869FF46DCFF" bold="true" box="[172,186,1986,2003]" pageId="14" pageNumber="149">G</emphasis>
|
||
, anterior end;
|
||
<emphasis id="B91A65117D4EDB26777EF869FEBDDCFF" bold="true" box="[307,321,1986,2003]" pageId="14" pageNumber="149">H</emphasis>
|
||
, carapace in ventral view with
|
||
<emphasis id="B91A65117D4EDB26740DF869FD36DCFF" bold="true" box="[576,714,1986,2003]" pageId="14" pageNumber="149">red dotted lines</emphasis>
|
||
showing the position of individual scans coronal section in
|
||
<emphasis id="B91A65117D4EDB2672F5F869FB2EDCFF" bold="true" box="[1208,1234,1986,2003]" pageId="14" pageNumber="149">I -K</emphasis>
|
||
with ventral contact of the valves;
|
||
<emphasis id="B91A65117D4EDB26768EF873FF35DCC5" bold="true" box="[195,201,2008,2025]" pageId="14" pageNumber="149">I</emphasis>
|
||
, posterior end;
|
||
<emphasis id="B91A65117D4EDB267701F873FEAADCC5" bold="true" box="[332,342,2008,2025]" pageId="14" pageNumber="149">J</emphasis>
|
||
, posterior half;
|
||
<emphasis id="B91A65117D4EDB267794F873FE1ADCC5" bold="true" box="[473,486,2008,2025]" pageId="14" pageNumber="149">K</emphasis>
|
||
, anterior end. Scale bars: 100 μm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BD1B9037D4FDB2776D6FE9CFDDDD9FC" blockId="15.[130,775,216,720]" pageId="15" pageNumber="150">
|
||
The lateral surface of
|
||
<taxonomicName id="4C6EC2807D4FDB27773AFE9CFD82DA7D" authorityName="Kollmann" authorityYear="1963" box="[375,638,311,337]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="15" pageNumber="150" phylum="Arthropoda" rank="species" species="mammillata">
|
||
<emphasis id="B91A65117D4FDB27773AFE9CFD82DA7D" box="[375,638,311,337]" italics="true" pageId="15" pageNumber="150">Nodobairdia mammillata</emphasis>
|
||
</taxonomicName>
|
||
also displays at least 14 nodules that are distributed in a recognizable pattern at each valve (Fig. 8). These nodules have never been described, but they are visible in specimens from the Norian-Rhaetian of
|
||
<collectingCountry id="F379F9937D4FDB2776EFFE1CFEFDDAFD" box="[162,257,439,465]" name="Australia" pageId="15" pageNumber="150">Australia</collectingCountry>
|
||
(
|
||
<bibRefCitation id="EFFFC4F27D4FDB27775CFE1CFD75DAFD" author="DEPECHE F. & CRASQUIN-SOLEAU S." box="[273,649,439,465]" pageId="15" pageNumber="150" pagination="453 - 462" refId="ref10890" refString="DEPECHE F. & CRASQUIN-SOLEAU S. 1992. - Triassic marine ostracodes of the Australian margin (Holes 759 B, 760 B, 761 C, 764 A and 764 B). Proceedings of the Ocean Drilling Program, Scientific Results 122: 453 - 462. https: // doi. org / 10.2973 / odp. proc. sr. 122.177.1992" type="journal article" year="1992">Dépêche & Crasquin-Soleau 1992</bibRefCitation>
|
||
), Ladinian, Carnian and Rhaetian of
|
||
<collectingCountry id="F379F9937D4FDB2777C2FE7CFE13DADD" box="[399,495,471,497]" name="Hungary" pageId="15" pageNumber="150">Hungary</collectingCountry>
|
||
(
|
||
<bibRefCitation id="EFFFC4F27D4FDB2777B1FE7CFD03DADD" author="MONOSTORI M. & TOTH E." box="[508,767,471,497]" pageId="15" pageNumber="150" pagination="21 - 43" refId="ref13451" refString="MONOSTORI M. & TOTH E. 2014. - Additional Middle to Upper Triassic ostracod faunas from the boreholes of Transdanubian Central Range (Hungary). Hantkeniana 9: 21 - 43." type="journal article" year="2014">Monostori & Tóth 2014</bibRefCitation>
|
||
) as well as Carnian of Sicily (
|
||
<bibRefCitation id="EFFFC4F27D4FDB2777FBFE5CFD68D93D" author="CRASQUIN S. & SCIUTO F. & REITANO A." box="[438,660,503,529]" pageId="15" pageNumber="150" pagination="129 - 142" refId="ref10723" refString="CRASQUIN S., SCIUTO F. & REITANO A. 2018. - Late Carnian (Tuvalian, Tropites dilleri zone) ostracods (Crustacea) from the Mufara Formation (Monte Scalpello, Central-Eastern Sicily, Italy). Annales de Paleontologie 104 (2): 129 - 142. https: // doi. org / 10.1016 / j. annpal. 2018.03.001" type="journal article" year="2018">
|
||
Crasquin
|
||
<emphasis id="B91A65117D4FDB27746DFE53FDA8D93D" box="[544,596,503,529]" italics="true" pageId="15" pageNumber="150">et al.</emphasis>
|
||
2018
|
||
</bibRefCitation>
|
||
). They are symmetrical between the valves and are here labelled from
|
||
<quantity id="4C9614E67D4FDB2774B4FDBCFF24D97C" metricMagnitude="-1" metricUnit="m" metricValue="1.905" metricValueMax="3.556" metricValueMin="0.254" pageId="15" pageNumber="150" unit="in" value="7.5" valueMax="14.0" valueMin="1.0">1 to 14 in</quantity>
|
||
the LV and from 1’ to 14’ in the RV. All of them are recognized in the juvenile carapace (Fig. 7A-F) and submature LV(Fig. 7G), indicating that they may be fully acquired quite early in the ontogenetic development of the species. They are further described and discussed below.
|
||
</paragraph>
|
||
<paragraph id="8BD1B9037D4FDB2776C9FD5DFEC3D83C" blockId="15.[132,319,758,784]" box="[132,319,758,784]" pageId="15" pageNumber="150">
|
||
<heading id="D0990E6F7D4FDB2776C9FD5DFEC3D83C" box="[132,319,758,784]" fontSize="11" level="2" pageId="15" pageNumber="150" reason="8">
|
||
<emphasis id="B91A65117D4FDB2776C9FD5DFEC3D83C" box="[132,319,758,784]" italics="true" pageId="15" pageNumber="150">Internal structures</emphasis>
|
||
</heading>
|
||
</paragraph>
|
||
<paragraph id="8BD1B9037D4FDB2776C9FCBDFE49D8E3" blockId="15.[130,777,790,2028]" pageId="15" pageNumber="150">
|
||
The calcified inner lamella of the largest LV extends from the antero-dorsal margin to slightly higher than the posterior border; in lateral view it is very reduced along the ventral margin and shows maximum of width along the antero-ventral margin (
|
||
<figureCitation id="1355A5867D4FDB277778FC3EFE74D883" box="[309,392,917,943]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="15" pageNumber="150">Fig. 6B</figureCitation>
|
||
). The vestibule is very narrow. The inner surfaces are carved by:
|
||
</paragraph>
|
||
<paragraph id="8BD1B9037D4FDB2776D6FC7DFD60DF63" blockId="15.[130,777,790,2028]" pageId="15" pageNumber="150">
|
||
– four subdorsal cavities corresponding to the subdorsal nodes, in both valves. In the isolated LV, the cavities are shallower below the anterior and posterior nodes, corresponding to a thickening of the nodes themselves (
|
||
<figureCitation id="1355A5867D4FDB277470FB9EFD72DF63" box="[573,654,1077,1103]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="15" pageNumber="150">Fig. 6B</figureCitation>
|
||
);
|
||
</paragraph>
|
||
<paragraph id="8BD1B9037D4FDB2776D6FBFEFD3DDF82" blockId="15.[130,777,790,2028]" pageId="15" pageNumber="150">– two dorsal cavities corresponding to the dorsal nodes, in the left valves. They are very reduced in the submature LV, corresponding to particularly thick areas of the valve;</paragraph>
|
||
<paragraph id="8BD1B9037D4FDB2776D6FB1EFCF5DE62" blockId="15.[130,777,790,2028]" pageId="15" pageNumber="150">
|
||
– three deep ventral cavities in the carapace and an elongate lineation ventrally, with the three main cavities corresponding to the three aligned ventral nodes, nearly coalescing in the isolated LV (
|
||
<figureCitation id="1355A5867D4FDB27775FFABFFE97DE02" box="[274,363,1300,1326]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="15" pageNumber="150">Fig. 6D</figureCitation>
|
||
). Overall, the submature LV displays thicker structures compared to those of the younger carapace;
|
||
</paragraph>
|
||
<paragraph id="8BD1B9037D4FDB2776D6FAFFFB60DA1D" blockId="15.[130,777,790,2028]" lastBlockId="15.[811,1457,216,1358]" pageId="15" pageNumber="150">
|
||
– the circular AMS spot is located in a shallow cavity around mid-length and slightly below mid-height in the isolated LV (
|
||
<figureCitation id="1355A5867D4FDB2776F8FA38FEF6DE82" box="[181,266,1427,1454]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="15" pageNumber="150">Fig. 6B</figureCitation>
|
||
). It is composed of at least nine subcircular to subrectangular individual scars organized into three rows: a ventral arcuate row of four scars, a median row (apparently incomplete) of three scars, and an upper row of two scars (
|
||
<figureCitation id="1355A5867D4FDB2776C0F9B8FF2BDD01" box="[141,215,1555,1581]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="15" pageNumber="150">Fig. 6J</figureCitation>
|
||
). Other scars (frontal, mandibular) are not observed. The AMS pattern of
|
||
<taxonomicName id="4C6EC2807D4FDB277729F998FE10DD61" authorityName="Kollmann" authorityYear="1963" box="[356,492,1587,1613]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="15" pageNumber="150" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B91A65117D4FDB277729F998FE10DD61" box="[356,492,1587,1613]" italics="true" pageId="15" pageNumber="150">Nodobairdia</emphasis>
|
||
</taxonomicName>
|
||
was never reported so far. Kristan-Tollmann
|
||
<emphasis id="B91A65117D4FDB27771CF9FFFE78DD41" box="[337,388,1619,1645]" italics="true" pageId="15" pageNumber="150">et al.</emphasis>
|
||
(1980) labelled the individual scars of Triassic ornate forms from a to g, surrounding a central h scar that can be doubled or tripled (see
|
||
<bibRefCitation id="EFFFC4F27D4FDB27741CF938FF1ADDE1" author="FOREL M. - B. & CHITNARIN A." pageId="15" pageNumber="150" refId="ref11124" refString="FOREL M. - B. & CHITNARIN A. 2023. - The Permian and Triassic history of the ostracod genus Liuzhinia. Revue de micropaleontologie 78: 100714. https: // doi. org / 10.1016 / j. revmic. 2023.100714" type="journal volume" year="2023">Forel & Chitnarin 2023</bibRefCitation>
|
||
for summary). The h-scars are typically arranged horizontally next to each other, the inner one being larger than the outer one: this pattern is observed here in the
|
||
<taxonomicName id="4C6EC2807D4FDB2776CBF8B8FEA4DC01" authority="LV" authorityName="LV" box="[134,344,1810,1837]" class="Ostracoda" family="Bairdiidae" genus="Nodobairdia" kingdom="Animalia" order="Podocopida" pageId="15" pageNumber="150" phylum="Arthropoda" rank="species" species="mammillata">
|
||
<emphasis id="B91A65117D4FDB2776CBF8B8FECCDC00" box="[134,304,1810,1836]" italics="true" pageId="15" pageNumber="150">N. mammillata</emphasis>
|
||
LV
|
||
</taxonomicName>
|
||
with a possibly triple h-scar (
|
||
<figureCitation id="1355A5867D4FDB2774E6F8B9FD05DC00" box="[683,761,1810,1836]" captionStart="FIG" captionStartId="12.[132,143,1654,1671]" captionTargetBox="[133,1454,196,1611]" captionTargetId="figure-341@12.[698,1267,772,1332]" captionTargetPageId="12" captionText="FIG. 6. — Nodobairdia mammillata Kollmann, 1963, left valve (MHI 2053/1): A-G, 3D reconstructions: A, outer view with red dotted line showing the position of individual scan in I; B, inner view with blue box shows the position of AMS and insight in J; C, dorsal view;D, subventral inner view with insight on the ventral area; E, anterior view with red dotted line showing the position of individual scan in H; F, posterior view; G, ventral view; H, I, individual scans, position on the valve shown in A and E; H, sagittal view; I, coronal view; J, reconstruction of the AMS with individual scars noted a to h, arrow points to anterior. Scale bars: 100 μm." pageId="15" pageNumber="150">Fig. 6J</figureCitation>
|
||
). This observation is of major importance, as changes in the number of scars h are associated with the typical Triassic evolutionary stage of the AMS (Kristan-Tollmann
|
||
<emphasis id="B91A65117D4FDB277482F8D8FCFBDCA0" box="[719,775,1906,1932]" italics="true" pageId="15" pageNumber="150">et al.</emphasis>
|
||
1980). The d-scars are also generally divided into three to five small scars, but only one is observed here. The scars recognized here, from a to triple h, display the same position and relative size compared to other ornate
|
||
<taxonomicName id="4C6EC2807D4FDB277345FF73FA85DBDE" authorityName=", Kristan-Tollmann" authorityYear="1978" box="[1288,1401,216,242]" class="Ostracoda" family="Bairdiidae" kingdom="Animalia" order="Podocopida" pageId="15" pageNumber="150" phylum="Arthropoda" rank="family">Bairdiidae</taxonomicName>
|
||
that have been so far studied (
|
||
<bibRefCitation id="EFFFC4F27D4FDB277205FF53FAABDA3E" author="FOREL M. - B. & CHITNARIN A." box="[1096,1367,248,274]" pageId="15" pageNumber="150" refId="ref11124" refString="FOREL M. - B. & CHITNARIN A. 2023. - The Permian and Triassic history of the ostracod genus Liuzhinia. Revue de micropaleontologie 78: 100714. https: // doi. org / 10.1016 / j. revmic. 2023.100714" type="journal volume" year="2023">Forel & Chitnarin 2023</bibRefCitation>
|
||
: fig. 5); they are considered homologous.
|
||
</paragraph>
|
||
<paragraph id="8BD1B9037D4FDB27750EFE9CFBBDD9DC" blockId="15.[811,1457,216,1358]" pageId="15" pageNumber="150">
|
||
<bibRefCitation id="EFFFC4F27D4FDB27750EFE9CFC01DA7D" author="KOLLMANN K." box="[835,1021,311,337]" pageId="15" pageNumber="150" pagination="121 - 203" refId="ref12250" refString="KOLLMANN K. 1963. - Ostracoden aus der alpinen Trias. II. Weitere Bairdiidae. Jahrbuch der Geologischen Bundesanstalt 106: 121 - 203 (in German)." type="journal article" year="1963">Kollmann (1963)</bibRefCitation>
|
||
mentioned a hinge composed of a simple bar in the RV, protruding at the anterior and posterior ends, and a corresponding furrow in the left valve, which is the usual condition in
|
||
<taxonomicName id="4C6EC2807D4FDB2775F8FE3CFBDBDA9D" authorityName=", Kristan-Tollmann" authorityYear="1978" box="[949,1063,407,433]" class="Ostracoda" family="Bairdiidae" kingdom="Animalia" order="Podocopida" pageId="15" pageNumber="150" phylum="Arthropoda" rank="family">Bairdiidae</taxonomicName>
|
||
.
|
||
<bibRefCitation id="EFFFC4F27D4FDB27727DFE3CFAB8DA9D" author="KRISTAN-TOLLMANN E." box="[1072,1348,407,433]" pageId="15" pageNumber="150" pagination="57 - 81" refId="ref12494" refString="KRISTAN-TOLLMANN E. 1971. - Weitere Beobachtungen an skulptierten Bairdiidae (Ostrac.) der alpinen Trias. Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen 139: 57 - 81 (in German)." type="journal article" year="1971">Kristan-Tollmann (1971)</bibRefCitation>
|
||
described the hinge as a long, straight and smooth bar with triangular anterior and posterior lists and corresponding furrow. The preservation of the hinge in both specimens does not allow any precise observation, but the scans of the carapace reveal the details of the dorsal contact of the valves: the RV is nested in the LV at the posterior end (Fig. 8D, E), the overlap of LV on RV develops until the mid-part of postero-dorsal node, is interrupted along dorsal border (Fig. 8D, F) and resumes from the anterior part of the antero-dorsal node to the anterior margin (Fig. 8D, G).
|
||
</paragraph>
|
||
<paragraph id="8BD1B9037D4FDB27750EFD5DFB36DF63" blockId="15.[811,1457,216,1358]" pageId="15" pageNumber="150">
|
||
The carapace also allows observation of the ventral contact of the valves, which we here describe following the terminology used in
|
||
<bibRefCitation id="EFFFC4F27D4FDB27759FFC9DFB6ED863" author="ADAMCZAK F." box="[978,1170,821,848]" pageId="15" pageNumber="150" pagination="265 - 467" refId="ref10261" refString="ADAMCZAK F. 1976. - Middle Devonian Podocopida (Ostracoda) from Poland; their morphology, systematics and occurrence. Senckenbergiana lethaea 57: 265 - 467." type="journal article" year="1976">Adamczak (1976)</bibRefCitation>
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and
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<bibRefCitation id="EFFFC4F27D4FDB277285FC9DFA7BD87C" author="OLEMPSKA E." box="[1224,1415,822,848]" pageId="15" pageNumber="150" pagination="383 - 436" refId="ref13626" refString="OLEMPSKA E. 1999. - Silicified shallow-water ostracodes from the Early Carboniferous of South China. Acta Palaeontologica Polonica 44 (4): 383 - 436." type="journal article" year="1999">Olempska (1999)</bibRefCitation>
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. As mentioned above, the RV is posteriorly nested into LV. The contact develops into a sort of contact groove (Fig. 8H, I) that progressively reduces and flattens until the anterior end of the posterior subventral node, where the ventral contact consists of RV being overlapped by LV (Fig. 8H, J). An anterior contact groove progressively redevelops around mid-part of the median subventral node until the anterior end of the anterior subventral node (Fig. 8H, K).
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</paragraph>
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<paragraph id="8BD1B9037D4FDB27750EFBFEFBCFDE62" blockId="15.[811,1457,216,1358]" pageId="15" pageNumber="150">
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Auxiliary (bairdoppilate?) teeth and sockets are poorly developed on the carapace, possibly being less expressed in juveniles, but they are visible anteriorly on the isolated LV, more clearly on individual scans than on reconstruction (Fig. 8A, C).
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<bibRefCitation id="EFFFC4F27D4FDB277587FB7FFB1BDFC2" author="KRISTAN-TOLLMANN E." box="[970,1255,1236,1262]" pageId="15" pageNumber="150" pagination="57 - 81" refId="ref12494" refString="KRISTAN-TOLLMANN E. 1971. - Weitere Beobachtungen an skulptierten Bairdiidae (Ostrac.) der alpinen Trias. Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen 139: 57 - 81 (in German)." type="journal article" year="1971">Kristan-Tollmann (1971)</bibRefCitation>
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mentioned six to eight small teeth in the RV; five sockets are clearly seen in the studied LV, three additional being more questionable because of preservation.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |