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<document id="E978964F1007CCE182678159FFC7BDB0" ID-CLB-Dataset="7027" ID-DOI="10.5252/geodiversitas2021v43a10" ID-GBIF-Dataset="bb69ed40-0261-4e0d-8264-ef27d3064148" ID-ISSN="1638-9395" ID-Zenodo-Dep="4746542" ID-ZooBank="urn:lsid:zoobank.org:pub:F9F1091A-DDD1-40C4-81B6-F254151D7D47" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1620665489502" checkinUser="felipe" docAuthor="Laville, Thomas, Haug, Joachim T. &amp; Haug, Carolin" docDate="2021" docId="03DC0462FFABD521FEB3F93BFC6C6F75" docLanguage="en" docName="Geodiversitas.43.10.295-310.pdf" docOrigin="Geodiversitas 43 (10)" docStyle="DocumentStyle:F830B10FF475E64C1F1601E3B32DDC00.4:Geodiversitas.2018-.journal_article" docStyleId="F830B10FF475E64C1F1601E3B32DDC00" docStyleName="Geodiversitas.2018-.journal_article" docStyleVersion="4" docTitle="Convexicaris Schram 1990" docType="treatment" docVersion="9" lastPageNumber="301" masterDocId="FFE57C1AFFACD529FFBDFFE9FFB66918" masterDocTitle="New species of Thylacocephala, Eodollocaris keithflinti n. gen., n. sp., from the Mazon Creek Lagerstätte, Illinois, United States (c. 307 Ma) and redescription of other Mazon Creek thylacocephalans" masterLastPageNumber="310" masterPageNumber="295" pageNumber="300" updateTime="1698938558105" updateUser="ExternalLinkService" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:title id="5A4158A05358A1A4235830A6EE726CDF">New species of Thylacocephala, Eodollocaris keithflinti n. gen., n. sp., from the Mazon Creek Lagerstätte, Illinois, United States (c. 307 Ma) and redescription of other Mazon Creek thylacocephalans</mods:title>
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<mods:name id="28D17FC5F32C710E49DB86E31BFB5E26" type="personal">
<mods:role id="B81BB7B15569EA013DD7388D678F8D2C">
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<mods:namePart id="72B0B0CA7B39207AB02E5931BC948676">Laville, Thomas</mods:namePart>
<mods:affiliation id="E1D8F87D3F6F366C39B34B7336FB5D63">Centre de Recherche en Paléontologie (CR 2 P, UMR 7207), Sorbonne Université-MNHN-CNRS, Muséum national d’Histoire naturelle, Département Origines et Évolution, case postale 38, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) and Department of Biology, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 2, 82152 Planegg-Martinsried (Germany)</mods:affiliation>
<mods:nameIdentifier id="471F559DB6679B8C5ADA7B0B9AD789D3" type="email">thomas.laville1@edu.mnhn.fr</mods:nameIdentifier>
</mods:name>
<mods:name id="5E057622DE516AF732E38426A11AB5D8" type="personal">
<mods:role id="ED2A49490508FDB65B2BC50EF5DD0CF2">
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<mods:namePart id="B7FBED43CED7B144179375FF56A96A3E">Haug, Joachim T.</mods:namePart>
<mods:affiliation id="45E832CD6614FE21C0ABA0418D4BE91E">Department of Biology, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 2, 82152 Planegg-Martinsried (Germany) and GeoBio-Center, Ludwig-Maximilians-Universität München, Richard-Wagner-Strasse 10, 80333 München (Germany)</mods:affiliation>
<mods:nameIdentifier id="2311D8662BBA34E2476D0635D59B1A0E" type="email">joachim.haug@palaeo-evo-devo.info</mods:nameIdentifier>
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<mods:namePart id="3CE183B09F7295AFEA57D2CF898CF644">Haug, Carolin</mods:namePart>
<mods:affiliation id="C8CA83E8E6330FB02442D5D954C3D63F">Department of Biology, Ludwig-Maximilians-Universität München, Grosshaderner Strasse 2, 82152 Planegg-Martinsried (Germany) and GeoBio-Center, Ludwig-Maximilians-Universität München, Richard-Wagner-Strasse 10, 80333 München (Germany)</mods:affiliation>
<mods:nameIdentifier id="6FAECDD9180E25FA8B0B98D49D107DA6" type="email">carolin.haug@palaeo-evo-devo.info</mods:nameIdentifier>
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<mods:title id="BD07E74386F086D97758650008930340">Geodiversitas</mods:title>
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<mods:part id="E85AF672ABDF16D0AB0B69D79BF5F3D5">
<mods:date id="66E7CBED4E00533579FE1333F4620DBD">2021</mods:date>
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<mods:number id="23507DE533AE5FCAA5CC38FAB7F0803E">2021-05-06</mods:number>
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<mods:number id="8CF2A7A9BCE868C5A1D652ABC15B206A">43</mods:number>
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<mods:number id="C97E95D62E255F4F588484637400470A">10</mods:number>
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<mods:classification id="B82D367C193719C5B24406A3FE2AB48E">journal article</mods:classification>
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<mods:identifier id="9B85F6AA355BE1D0D3C0FA20776E36CA" type="DOI">10.5252/geodiversitas2021v43a10</mods:identifier>
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<treatment id="03DC0462FFABD521FEB3F93BFC6C6F75" ID-DOI="http://doi.org/10.5281/zenodo.4747817" ID-GBIF-Taxon="181972445" ID-Zenodo-Dep="4747817" LSID="urn:lsid:plazi:treatment:03DC0462FFABD521FEB3F93BFC6C6F75" httpUri="http://treatment.plazi.org/id/03DC0462FFABD521FEB3F93BFC6C6F75" lastPageId="8" lastPageNumber="301" pageId="7" pageNumber="300">
<subSubSection id="C36FE6FFFFABD52EFEB3F93BFDCB6FF4" box="[270,637,1746,1772]" pageId="7" pageNumber="300" type="nomenclature">
<paragraph id="8BCAB574FFABD52EFEB3F93BFDCB6FF4" blockId="7.[270,637,1746,1772]" box="[270,637,1746,1772]" pageId="7" pageNumber="300">
<heading id="D0820218FFABD52EFEB3F93BFDCB6FF4" box="[270,637,1746,1772]" centered="true" fontSize="11" level="2" pageId="7" pageNumber="300" reason="2">
Genus
<taxonomicName id="4C75CEF7FFABD52EFEE6F93BFDCB6FF4" authority="Schram, 1990" authorityName="Schram" authorityYear="1990" box="[347,637,1746,1772]" class="Conchyliocarida" genus="Convexicaris" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="7" pageNumber="300" phylum="Arthropoda" rank="genus">
<emphasis id="B9016966FFABD52EFEE6F93BFE686FF4" box="[347,478,1746,1772]" italics="true" pageId="7" pageNumber="300">Convexicaris</emphasis>
<bibRefCitation id="EFE4C885FFABD52EFE58F93BFDCB6FF4" author="SCHRAM F. R." box="[485,637,1746,1772]" pageId="7" pageNumber="300" pagination="1 - 16" refId="ref11652" refString="SCHRAM F. R. 1990. - On Mazon Creek Thylacocephala. Proceedings of the San Diego Society of Natural History 3: 1 - 16" type="journal article" year="1990">Schram, 1990</bibRefCitation>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C36FE6FFFFABD52EFF39F8FCFE226E7A" pageId="7" pageNumber="300" type="type_taxon">
<paragraph id="8BCAB574FFABD52EFF39F8FCFE226E7A" blockId="7.[132,774,1813,1890]" pageId="7" pageNumber="300">
<typeStatus id="54CE0BD6FFABD52EFF39F8FCFF036E33" box="[132,181,1813,1836]" pageId="7" pageNumber="300">TYPE</typeStatus>
SPECIES. —
<taxonomicName id="4C75CEF7FFABD52EFE93F8FCFD176E35" authority="Schram, 1990" authorityName="Schram" authorityYear="1990" box="[302,673,1813,1837]" class="Conchyliocarida" genus="Convexicaris" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="7" pageNumber="300" phylum="Arthropoda" rank="species" species="mazonensis">
<emphasis id="B9016966FFABD52EFE93F8FCFDA56E35" box="[302,531,1813,1837]" italics="true" pageId="7" pageNumber="300">Convexicaris mazonensis</emphasis>
<bibRefCitation id="EFE4C885FFABD52EFDA4F8FCFD176E35" author="SCHRAM F. R." box="[537,673,1813,1837]" pageId="7" pageNumber="300" pagination="1 - 16" refId="ref11652" refString="SCHRAM F. R. 1990. - On Mazon Creek Thylacocephala. Proceedings of the San Diego Society of Natural History 3: 1 - 16" type="journal article" year="1990">Schram, 1990</bibRefCitation>
</taxonomicName>
from Carbondale Formation, Francis Creek Shale Member, Mazon Creek area,
<collectingRegion id="49B17B96FFABD52EFF04F8A3FF496E7A" box="[185,255,1866,1890]" country="United States of America" name="Illinois" pageId="7" pageNumber="300">Illinois</collectingRegion>
,
<collectingCountry id="F362F5E4FFABD52EFEB7F8A3FE396E7A" box="[266,399,1866,1890]" name="United States of America" pageId="7" pageNumber="300">United States</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="C36FE6FFFFABD52EFF39F86DFCB16EF3" pageId="7" pageNumber="300" type="diagnosis">
<paragraph id="8BCAB574FFABD52EFF39F86DFCB16EF3" blockId="7.[130,775,1923,2027]" pageId="7" pageNumber="300">DIAGNOSIS (repeated fromSchram 1990). — Sinuously shaped carapace displaying a rounded antero-dorsal part, a convex antero-lateral margin, and a blunt postero-ventral aspect. Elongate subchelate raptorial limbs composed of narrow articles. Body ending by long caudal rami.</paragraph>
</subSubSection>
<subSubSection id="C36FE6FFFFABD52EFC24FADAFB206C76" pageId="7" pageNumber="300" type="reference_group">
<paragraph id="8BCAB574FFABD52EFC24FADAFB206C76" blockId="7.[921,1347,1331,1390]" pageId="7" pageNumber="300">
<taxonomicName id="4C75CEF7FFABD52EFC24FADAFAF56C55" authority="Schram, 1990" authorityName="Schram" authorityYear="1990" box="[921,1347,1331,1357]" class="Conchyliocarida" genus="Convexicaris" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="7" pageNumber="300" phylum="Arthropoda" rank="species" species="mazonensis">
<emphasis id="B9016966FFABD52EFC24FADAFB126C55" bold="true" box="[921,1188,1331,1357]" italics="true" pageId="7" pageNumber="300">Convexicaris mazonensis</emphasis>
<bibRefCitation id="EFE4C885FFABD52EFB16FADAFAF56C55" author="SCHRAM F. R." box="[1195,1347,1331,1357]" pageId="7" pageNumber="300" pagination="1 - 16" refId="ref11652" refString="SCHRAM F. R. 1990. - On Mazon Creek Thylacocephala. Proceedings of the San Diego Society of Natural History 3: 1 - 16" type="journal article" year="1990">Schram, 1990</bibRefCitation>
</taxonomicName>
(
<figureCitation id="134EA9F1FFABD52EFBF2FABAFB3B6C76" box="[1103,1165,1363,1390]" captionStart="FIG" captionStartId="8.[132,143,1442,1459]" captionTargetBox="[132,1454,215,1398]" captionTargetId="figure-269@8.[698,1267,760,1309]" captionTargetPageId="8" captionText="FIG. 5. — Convexicaris mazonensis Schram, 1990, ROMIP47987: A, general view; B, general view (color-marked); C, line drawing; D, close-up on trunk appendages. Abbreviations: a1-a3, first, second, third raptorial appendages; e, eyes; s, shield; t, trunk; ta, trunk appendages. Photographs: C. Haug and J. T. Haug. Line drawings: T. Laville. Scale bars: A-C, 5 mm; D, 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4746552" httpUri="https://zenodo.org/record/4746552/files/figure.png" pageId="7" pageNumber="300">Fig. 5</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C36FE6FFFFABD52EFC90FA64FAF76F70" pageId="7" pageNumber="300" type="materials_examined">
<paragraph id="8BCAB574FFABD52EFC90FA64FA156CA6" blockId="7.[810,1456,1420,1471]" pageId="7" pageNumber="300">
<materialsCitation id="3B1DBF29FFABD52EFC90FA64FB266CBC" ID-GBIF-Occurrence="3110196303" box="[813,1168,1420,1444]" collectionCode="TYPE, MATERIAL" pageId="7" pageNumber="300" specimenCount="1" typeStatus="holotype">
<collectionCode id="ED642DB1FFABD52EFC90FA64FC046CBB" box="[813,946,1421,1444]" pageId="7" pageNumber="300">TYPE MATERIAL</collectionCode>
. —
<typeStatus id="54CE0BD6FFABD52EFC65FA65FB866CBC" box="[984,1072,1420,1444]" pageId="7" pageNumber="300" type="holotype">Holotype</typeStatus>
:PE 32958
</materialsCitation>
.—
<materialsCitation id="3B1DBF29FFABD52EFB0FFA64FB266CA6" ID-GBIF-Occurrence="3110196306" pageId="7" pageNumber="300" typeStatus="paratype">
<typeStatus id="54CE0BD6FFABD52EFB0FFA64FABE6CBD" box="[1202,1288,1421,1445]" pageId="7" pageNumber="300" type="paratype">Paratypes</typeStatus>
:PE 11255, 23525, 38169, 39350, 40076, 45692, 45695
</materialsCitation>
;
<materialsCitation id="3B1DBF29FFABD52EFB24FA4EFA846CA7" ID-GBIF-Occurrence="3110196307" box="[1177,1330,1447,1471]" collectionCode="SDSNH" pageId="7" pageNumber="300" specimenCode="SDSNH 36781" specimenCount="1" typeStatus="paratype">
<specimenCode id="DBD31D0FFFABD52EFB24FA4EFA846CA7" box="[1177,1330,1447,1471]" collectionCode="SDSNH" pageId="7" pageNumber="300">SDSNH 36781</specimenCode>
</materialsCitation>
;
<materialsCitation id="3B1DBF29FFABD52EFA86FA4EFA286CA6" ID-GBIF-Occurrence="3110196305" box="[1339,1438,1446,1471]" collectionCode="MCP" pageId="7" pageNumber="300" specimenCode="MCP 594" specimenCount="1" typeStatus="paratype">
<specimenCode id="DBD31D0FFFABD52EFA86FA4EFA286CA6" box="[1339,1438,1446,1471]" collectionCode="MCP" country="Brazil" httpUri="http://grbio.org/cool/bqgs-f9q8" name="Pontificia Universidade Catolica do Rio Grande do Sul" pageId="7" pageNumber="300">MCP 594</specimenCode>
</materialsCitation>
.
</paragraph>
<paragraph id="8BCAB574FFABD52EFC90FA3EFA196F11" blockId="7.[813,1456,1494,1545]" pageId="7" pageNumber="300">
<collectionCode id="ED642DB1FFABD52EFC90FA3EFC016CF5" box="[813,951,1495,1518]" pageId="7" pageNumber="300">
<typeStatus id="54CE0BD6FFABD52EFC90FA3EFCEA6CF4" box="[813,860,1495,1518]" pageId="7" pageNumber="300">TYPE</typeStatus>
HORIZON
</collectionCode>
. —
<materialsCitation id="3B1DBF29FFABD52EFC5FFA3FFA196F11" ID-GBIF-Occurrence="3110196301" pageId="7" pageNumber="300">
Carbondale Formation, Francis Creek Shale Member,
<emphasis id="B9016966FFABD52EFCEEFA18FCD56F10" box="[851,867,1521,1544]" italics="true" pageId="7" pageNumber="300">c.</emphasis>
307 Ma, Westphalian D, Middle Pennsylvanian, Carboniferous
</materialsCitation>
</paragraph>
<paragraph id="8BCAB574FFABD52EFC90F9C8FA066F20" blockId="7.[813,1456,1568,1592]" box="[813,1456,1568,1592]" pageId="7" pageNumber="300">
<collectionCode id="ED642DB1FFABD52EFC90F9C8FC0A6F2F" box="[813,956,1569,1592]" pageId="7" pageNumber="300">
<typeStatus id="54CE0BD6FFABD52EFC90F9C8FCEB6F2E" box="[813,861,1569,1592]" pageId="7" pageNumber="300">TYPE</typeStatus>
LOCALITY
</collectionCode>
. —
<materialsCitation id="3B1DBF29FFABD52EFC59F9C8FA1A6F20" ID-GBIF-Occurrence="3110196313" box="[996,1452,1568,1592]" pageId="7" pageNumber="300">
Mazon Creek area, Pit 11,
<collectingRegion id="49B17B96FFABD52EFB60F9C9FA946F20" box="[1245,1314,1568,1592]" country="United States of America" name="Illinois" pageId="7" pageNumber="300">Illinois</collectingRegion>
,
<collectingCountry id="F362F5E4FFABD52EFA97F9C9FA1A6F20" box="[1322,1452,1568,1592]" name="United States of America" pageId="7" pageNumber="300">United States</collectingCountry>
</materialsCitation>
.
</paragraph>
<paragraph id="8BCAB574FFABD52EFC90F9B9FAF76F70" blockId="7.[813,1345,1616,1640]" box="[813,1345,1616,1640]" pageId="7" pageNumber="300">
EXAMINED
<collectionCode id="ED642DB1FFABD52EFC27F9BFFC4E6F7F" box="[922,1016,1622,1639]" pageId="7" pageNumber="300">MATERIAL</collectionCode>
. —
<materialsCitation id="3B1DBF29FFABD52EFB99F9B9FAF76F70" ID-GBIF-Occurrence="3110196308" box="[1060,1345,1616,1640]" pageId="7" pageNumber="300">
<collectionCode id="ED642DB1FFABD52EFB99F9B9FBC36F70" box="[1060,1141,1616,1640]" pageId="7" pageNumber="300">ROMIP</collectionCode>
47987 (lateral view).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C36FE6FFFFABD52EFC90F969FBCF6F80" box="[813,1145,1664,1688]" pageId="7" pageNumber="300" type="diagnosis">
<paragraph id="8BCAB574FFABD52EFC90F969FBCF6F80" blockId="7.[813,1145,1664,1688]" box="[813,1145,1664,1688]" pageId="7" pageNumber="300">DIAGNOSIS. — Same as for genus.</paragraph>
</subSubSection>
<subSubSection id="C36FE6FFFFABD52EFC90F93BFC676EF3" pageId="7" pageNumber="300" type="description">
<paragraph id="8BCAB574FFABD52EFC90F93BFC0B6FF2" blockId="7.[811,1456,1746,2028]" box="[813,957,1746,1772]" pageId="7" pageNumber="300">DESCRIPTION</paragraph>
<paragraph id="8BCAB574FFABD52EFC90F91BFC676EF3" blockId="7.[811,1456,1746,2028]" pageId="7" pageNumber="300">
The new specimen provides important details about the trunk, especially about the appendages (
<figureCitation id="134EA9F1FFABD52EFB21F8FBFB6A6E34" box="[1180,1244,1809,1836]" captionStart="FIG" captionStartId="8.[132,143,1442,1459]" captionTargetBox="[132,1454,215,1398]" captionTargetId="figure-269@8.[698,1267,760,1309]" captionTargetPageId="8" captionText="FIG. 5. — Convexicaris mazonensis Schram, 1990, ROMIP47987: A, general view; B, general view (color-marked); C, line drawing; D, close-up on trunk appendages. Abbreviations: a1-a3, first, second, third raptorial appendages; e, eyes; s, shield; t, trunk; ta, trunk appendages. Photographs: C. Haug and J. T. Haug. Line drawings: T. Laville. Scale bars: A-C, 5 mm; D, 1 mm." figureDoi="http://doi.org/10.5281/zenodo.4746552" httpUri="https://zenodo.org/record/4746552/files/figure.png" pageId="7" pageNumber="300">Fig. 5</figureCitation>
A-D). The shield is longer than high, 2.1× (
<subScript id="17F1B731FFABD52EFB8AF8D8FBF36E57" attach="left" box="[1079,1093,1841,1871]" fontSize="7" pageId="7" pageNumber="300">ls</subScript>
=
<quantity id="4C8D1891FFABD52EFBD9F8D8FB7B6E54" box="[1124,1229,1841,1868]" metricMagnitude="-2" metricUnit="m" metricValue="1.67" pageId="7" pageNumber="300" unit="mm" value="16.7">16.7 mm</quantity>
; h =
<quantity id="4C8D1891FFABD52EFABAF8D8FAC46E54" box="[1287,1394,1841,1868]" metricMagnitude="-3" metricUnit="m" metricValue="7.85" pageId="7" pageNumber="300" unit="mm" value="7.85">7.85 mm</quantity>
). The posterior trunk is obviously organised into eight discrete segments, especially indicated by eight rectangular appendages emerging from under the shield. The distal end of the appendages appears bifid. The appendages are
<quantity id="4C8D1891FFABD52EFA91F858FA276ED4" box="[1324,1425,1969,1996]" metricMagnitude="-3" metricUnit="m" metricValue="1.69" pageId="7" pageNumber="300" unit="mm" value="1.69">1.69 mm</quantity>
to
<quantity id="4C8D1891FFABD52EFC93F838FC246EF4" box="[814,914,2001,2028]" metricMagnitude="-3" metricUnit="m" metricValue="1.89" pageId="7" pageNumber="300" unit="mm" value="1.89">1.89 mm</quantity>
long.
</paragraph>
</subSubSection>
<caption id="DF0AE5FCFFA4D521FF39FA4BFDDA6CF9" ID-DOI="http://doi.org/10.5281/zenodo.4746552" ID-Zenodo-Dep="4746552" httpUri="https://zenodo.org/record/4746552/files/figure.png" pageId="8" pageNumber="301" startId="8.[132,143,1442,1459]" targetBox="[132,1454,215,1398]" targetPageId="8">
<paragraph id="8BCAB574FFA4D521FF39FA4BFDDA6CF9" blockId="8.[132,1457,1442,1505]" pageId="8" pageNumber="301">
FIG. 5. —
<taxonomicName id="4C75CEF7FFA4D521FF69FA4BFDA96CAB" authority="Schram, 1990" authorityName="Schram" authorityYear="1990" box="[212,543,1442,1459]" class="Conchyliocarida" genus="Convexicaris" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="8" pageNumber="301" phylum="Arthropoda" rank="species" species="mazonensis">
<emphasis id="B9016966FFA4D521FF69FA4BFE156CAB" box="[212,419,1442,1459]" italics="true" pageId="8" pageNumber="301">Convexicaris mazonensis</emphasis>
<bibRefCitation id="EFE4C885FFA4D521FE14FA4BFDA96CAB" author="SCHRAM F. R." box="[425,543,1442,1459]" pageId="8" pageNumber="301" pagination="1 - 16" refId="ref11652" refString="SCHRAM F. R. 1990. - On Mazon Creek Thylacocephala. Proceedings of the San Diego Society of Natural History 3: 1 - 16" type="journal article" year="1990">Schram, 1990</bibRefCitation>
</taxonomicName>
, ROMIP47987:
<emphasis id="B9016966FFA4D521FD1CFA4BFD186CAB" bold="true" box="[673,686,1442,1459]" pageId="8" pageNumber="301">A</emphasis>
, general view;
<emphasis id="B9016966FFA4D521FC97FA4BFC816CAB" bold="true" box="[810,823,1442,1459]" pageId="8" pageNumber="301">B</emphasis>
, general view (color-marked);
<emphasis id="B9016966FFA4D521FB8EFA4BFBF76CAB" bold="true" box="[1075,1089,1442,1459]" pageId="8" pageNumber="301">C</emphasis>
, line drawing;
<emphasis id="B9016966FFA4D521FB04FA4BFB716CAB" bold="true" box="[1209,1223,1442,1459]" pageId="8" pageNumber="301">D</emphasis>
, close-up on trunk appendages. Abbreviations:
<emphasis id="B9016966FFA4D521FE88FA50FED06CD2" bold="true" box="[309,358,1465,1482]" pageId="8" pageNumber="301">a1-a3</emphasis>
, first, second, third raptorial appendages;
<emphasis id="B9016966FFA4D521FD70FA50FD6E6CD2" bold="true" box="[717,728,1465,1482]" pageId="8" pageNumber="301">e</emphasis>
, eyes;
<emphasis id="B9016966FFA4D521FCA9FA50FCA86CD2" bold="true" box="[788,798,1465,1482]" pageId="8" pageNumber="301">s</emphasis>
, shield;
<emphasis id="B9016966FFA4D521FCD8FA50FCDA6CD2" bold="true" box="[869,876,1465,1482]" pageId="8" pageNumber="301">t</emphasis>
, trunk;
<emphasis id="B9016966FFA4D521FC10FA50FC086CD2" bold="true" box="[941,958,1465,1482]" pageId="8" pageNumber="301">ta</emphasis>
, trunk appendages. Photographs: C. Haug and J. T. Haug. Line drawings: T. Laville. Scale bars: A-C, 5 mm; D, 1 mm.
</paragraph>
</caption>
<subSubSection id="C36FE6FFFFA4D521FF39F9DAFC6C6F75" pageId="8" pageNumber="301" type="discussion">
<paragraph id="8BCAB574FFA4D521FF39F9DAFF5E6F53" blockId="8.[131,776,1587,2028]" box="[132,232,1587,1613]" pageId="8" pageNumber="301">REMARKS</paragraph>
<paragraph id="8BCAB574FFA4D521FF39F9BBFD676E73" blockId="8.[131,776,1587,2028]" pageId="8" pageNumber="301">
Trunk appendages have been known for several species of
<taxonomicName id="4C75CEF7FFA4D521FF3BF99BFE9A6F94" authorityName="Pinna, Arduini, Pesarini &amp; Teruzzi" authorityYear="1982" box="[134,300,1650,1676]" class="Thylacocephala" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="8" pageNumber="301" phylum="Arthropoda" rank="class">Thylacocephala</taxonomicName>
(
<bibRefCitation id="EFE4C885FFA4D521FE85F99BFDB76F94" author="ARDUINI P. &amp; PINNA G. &amp; TERUZZI G." box="[312,513,1650,1676]" pageId="8" pageNumber="301" pagination="360 - 370" refId="ref8594" refString="ARDUINI P., PINNA G. &amp; TERUZZI G. 1980. - A new and unusual Lower Jurassic cirriped from Osteno in Lombardy: Ostenia cypriformis ng, n. sp. Atti della Societa italiana di scienze naturali e del museo civico di storia naturale di Milano 121: 360 - 370" type="journal article" year="1980">
Arduini
<emphasis id="B9016966FFA4D521FE2FF99AFE726F94" box="[402,452,1650,1676]" italics="true" pageId="8" pageNumber="301">et al.</emphasis>
1980
</bibRefCitation>
;
<bibRefCitation id="EFE4C885FFA4D521FDB3F99BFD106F95" author="SECRETAN S." box="[526,678,1650,1677]" pageId="8" pageNumber="301" pagination="381 - 389" refId="ref11830" refString="SECRETAN S. 1985. - Conchyliocarida, a class of fossil crustaceans: relationships to Malacostraca and postulated behaviour. Transactions of the Royal Society of Edinburgh: Earth Sciences 76 (2 - 3): 381 - 389. https: // doi. org / 10.1017 / S 0263593300010592" type="journal article" year="1985">Secretan 1985</bibRefCitation>
;
<bibRefCitation id="EFE4C885FFA4D521FD0EF99BFF0A6FB4" author="ARDUINI P." pageId="8" pageNumber="301" pagination="265 - 272" refId="ref8529" refString="ARDUINI P. 1992. - Clausocaris pinnai n. sp. (Order Clausocarida nov.), thylacephalan crustacean from the Norian of the Preone Valley (Udine, N. Italy) and morphological considerations on Thylacocephala. Atti della Societa italiana di Scienze naturali e del Museo civico di Storia naturale di Milano 132 (21): 265 - 272" type="journal article" year="1992">Arduini 1992</bibRefCitation>
;
<bibRefCitation id="EFE4C885FFA4D521FF77F97BFE836FB4" author="POLZ H." box="[202,309,1682,1708]" pageId="8" pageNumber="301" pagination="93 - 109" refId="ref11263" refString="POLZ H. 1990. - Clausocaris lithographica (? Crustacea, Thylacocephala). Archaeopteryx 8: 93 - 109" type="journal article" year="1990">Polz 1990</bibRefCitation>
,
<bibRefCitation id="EFE4C885FFA4D521FEFFF97BFECC6FB4" author="POLZ H." box="[322,378,1682,1708]" pageId="8" pageNumber="301" pagination="35 - 44" refId="ref11284" refString="POLZ H. 1994. - Mayrocaris bucculata gen. nov. sp. nov. (Thylacocephala, Conchyliocarida) aus den Solnhofener Plattenkalken. Archaeopteryx 12: 35 - 44" type="journal article" year="1994">1994</bibRefCitation>
,
<bibRefCitation id="EFE4C885FFA4D521FE3AF97BFE096FB4" author="POLZ H." box="[391,447,1682,1708]" pageId="8" pageNumber="301" pagination="45 - 55" refId="ref11316" refString="POLZ H. 2001. - Dollocaris michelorum, sp. nov. (Thylacocephala, Concavicarida) aus den Solnhofener Plattenkalker. Archaeopteryx 19: 45 - 55" type="journal article" year="2001">2001</bibRefCitation>
;
<bibRefCitation id="EFE4C885FFA4D521FE70F97AFD326FB4" author="LANGE S. &amp; SCHRAM F. R. &amp; STEEMAN F. A. &amp; HOF C. H. J." box="[461,644,1682,1709]" pageId="8" pageNumber="301" pagination="905 - 912" refId="ref10868" refString="LANGE S., SCHRAM F. R., STEEMAN F. A. &amp; HOF C. H. J. 2001. - New Genus and Species from the Cretaceous of Lebanon Links the Thylacocephala To the Crustacea. Palaeontology 44 (5): 905 - 912. https: // doi. org / 10.1111 / 1475 - 4983.00207" type="journal article" year="2001">
Lange
<emphasis id="B9016966FFA4D521FDA9F97AFDF16FB4" box="[532,583,1682,1708]" italics="true" pageId="8" pageNumber="301">et al.</emphasis>
2001
</bibRefCitation>
;
<bibRefCitation id="EFE4C885FFA4D521FD2FF97AFF0A6FD4" author="HAUG C. &amp; BRIGGS D. E. G. &amp; MIKULIC D. G. &amp; KLUESSENDORF J. &amp; HAUG J. T." pageId="8" pageNumber="301" pagination="159" refId="ref10113" refString="HAUG C., BRIGGS D. E. G., MIKULIC D. G., KLUESSENDORF J. &amp; HAUG J. T. 2014. - The implications of a Silurian and other thylacocephalan crustaceans for the functional morphology and systematic affinities of the group. BMC Evolutionary Biology 14 (159). https: // doi. org / 10.1186 / s 12862 - 014 - 0159 - 2" type="journal article" year="2014">
Haug
<emphasis id="B9016966FFA4D521FD68F97AFCB16FB4" box="[725,775,1682,1708]" italics="true" pageId="8" pageNumber="301">et al.</emphasis>
2014
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;
<bibRefCitation id="EFE4C885FFA4D521FF76F95BFEE16FD4" author="JI C. &amp; TINTORI A. &amp; JIANG D. &amp; MOTANI R." box="[203,343,1714,1740]" pageId="8" pageNumber="301" pagination="171 - 184" refId="ref10476" refString="JI C., TINTORI A., JIANG D. &amp; MOTANI R. 2017. - New species of Thylacocephala (Arthropoda) from the Spathian (Lower Triassic) of Chaohu, Anhui Province of China. PalZ 91 (2): 171 - 184. https: // doi. org / 10.1007 / s 12542 - 017 - 0347 - 7" type="journal article" year="2017">
Ji
<emphasis id="B9016966FFA4D521FF5EF95AFEAE6FD4" box="[227,280,1714,1740]" italics="true" pageId="8" pageNumber="301">et al.</emphasis>
2017
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;
<bibRefCitation id="EFE4C885FFA4D521FEDBF95BFDAD6FD4" author="BRAIG F. &amp; HAUG J. T. &amp; SCHADEL M. &amp; HAUG C." box="[358,539,1714,1740]" pageId="8" pageNumber="301" pagination="69 - 87" refId="ref9047" refString="BRAIG F., HAUG J. T., SCHADEL M. &amp; HAUG C. 2019. - A new thylacocephalan crustacean from the Upper Jurassic lithographic limestones of southern Germany and the diversity of Thylacocephala. Palaeodiversity 12 (1): 69 - 87. https: // doi. org / 10.18476 / pale. v 12. a 6" type="journal article" year="2019">
Braig
<emphasis id="B9016966FFA4D521FE1AF95AFE6D6FD4" box="[423,475,1714,1740]" italics="true" pageId="8" pageNumber="301">et al.</emphasis>
2019
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;
<bibRefCitation id="EFE4C885FFA4D521FD97F95BFD416FD4" author="JOBBINS M. &amp; HAUG C. &amp; KLUG C." box="[554,759,1714,1740]" pageId="8" pageNumber="301" pagination="5129" refId="ref10543" refString="JOBBINS M., HAUG C. &amp; KLUG C. 2020. - First African thylacocephalans from the Famennian of Morocco and their role in Late Devonian food webs. Scientific Reports 10: 5129. https: // doi. org / 10.1038 / s 41598 - 020 - 61770 - 0" type="journal article" year="2020">
Jobbins
<emphasis id="B9016966FFA4D521FD3EF95AFD0E6FD4" box="[643,696,1714,1740]" italics="true" pageId="8" pageNumber="301">et al.</emphasis>
2020
</bibRefCitation>
). In most cases they appear to be either paddle-like or multiannulated. The morphology observed here, paddle-like, but with a bifid distal end, appears new. Yet, in fact our knowledge of the posterior trunk appendages is rather incomplete. Therefore, this may in fact be a more common feature.
</paragraph>
<paragraph id="8BCAB574FFA4D521FF26F898FC6C6F75" blockId="8.[131,776,1587,2028]" lastBlockId="8.[814,1455,1586,1645]" pageId="8" pageNumber="301">
Although
<bibRefCitation id="EFE4C885FFA4D521FEB1F898FE026E94" author="SCHRAM F. R." box="[268,436,1905,1932]" pageId="8" pageNumber="301" pagination="1 - 16" refId="ref11652" refString="SCHRAM F. R. 1990. - On Mazon Creek Thylacocephala. Proceedings of the San Diego Society of Natural History 3: 1 - 16" type="journal article" year="1990">Schram (1990)</bibRefCitation>
suggested that
<taxonomicName id="4C75CEF7FFA4D521FDD8F89BFCBE6E93" authorityName="Schram" authorityYear="1990" box="[613,776,1906,1932]" class="Conchyliocarida" genus="Convexicaris" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="8" pageNumber="301" phylum="Arthropoda" rank="species" species="mazonensis">
<emphasis id="B9016966FFA4D521FDD8F89BFCBE6E93" box="[613,776,1906,1932]" italics="true" pageId="8" pageNumber="301">Co. mazonensis</emphasis>
</taxonomicName>
should possess eight posterior trunk segments with swimming appendages, this was not really apparent in his specimens. The new specimen now clearly shows eight distinct such appendages and hence supports the assumption by
<bibRefCitation id="EFE4C885FFA4D521FC92F9BBFC636F75" author="SCHRAM F. R." box="[815,981,1618,1645]" pageId="8" pageNumber="301" pagination="1 - 16" refId="ref11652" refString="SCHRAM F. R. 1990. - On Mazon Creek Thylacocephala. Proceedings of the San Diego Society of Natural History 3: 1 - 16" type="journal article" year="1990">Schram (1990)</bibRefCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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