224 lines
27 KiB
XML
224 lines
27 KiB
XML
<document id="A2B0B34D5F7D37E40287EBBC4EF7BC09" ID-DOI="10.1080/14772019.2020.1794991" ID-ISSN="1478-0941" ID-ZooBank="2C95FB13-7B15-43A2-B37C-AAA1B74A2D1C" IM.bibliography_approvedBy="diego" IM.illustrations_approvedBy="diego" IM.materialsCitations_approvedBy="diego" IM.metadata_approvedBy="diego" IM.tables_approvedBy="diego" IM.taxonomicNames_approvedBy="diego" IM.treatments_approvedBy="diego" checkinTime="1711484846693" checkinUser="felipe" docAuthor="Zhang, Zhiliang, Holmer, Lars E., Chen, Feiyang & Brock, Glenn A." docDate="2020" docId="03EE8790FF95FFFA2FA0FE44A45FE983" docLanguage="en" docName="JSystPalaeontol.18.19.1569-1588.pdf" docOrigin="Journal of Systematic Palaeontology 18 (19)" docSource="http://dx.doi.org/10.1080/14772019.2020.1794991" docStyle="DocumentStyle:6400638016C1F4AE0D0B6502E032D571.1:JSystPalaeontol.2016-.journal_article.closed" docStyleId="6400638016C1F4AE0D0B6502E032D571" docStyleName="JSystPalaeontol.2016-.journal_article.closed" docStyleVersion="1" docTitle="Palaeotreta Zhang & Holmer & Chen & Brock 2020, gen. nov." docType="treatment" docUuid="CE0407A2-EA15-4ADE-94AA-9F20063D7222" docUuidSource="ZooBank" docVersion="1" lastPageNumber="1572" masterDocId="FFD7FFE8FF96FFFE2C47FB30A11CE977" masterDocTitle="Ontogeny and evolutionary significance of a new acrotretide brachiopod genus from Cambrian Series 2 of South China" masterLastPageNumber="1588" masterPageNumber="1569" pageNumber="1571" updateTime="1712325622584" updateUser="diego">
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<mods:titleInfo id="E6F943D14D559C9A04A2E61695CF7AF8">
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<mods:title id="5A6EBC211EB8009852E03348D23E2937">Ontogeny and evolutionary significance of a new acrotretide brachiopod genus from Cambrian Series 2 of South China</mods:title>
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<mods:roleTerm id="2990B0F42FE9BC29462ECB319ACCA3C6">Author</mods:roleTerm>
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<mods:namePart id="BD8AF4E913789DEF1FA65BC8FE098D28">Zhang, Zhiliang</mods:namePart>
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<mods:affiliation id="1DB06CA5578A65B595EE51F933483319">State Key Laboratory of Continental Dynamics, Shaanxi Key Laboratory of Early Life & Environments, Early Life Institute, Department of Geology, Northwest University, Xi’an 710069, China; & Department of Biological Sciences, Macquarie University, North Ryde, NSW 2109, Australia; & Institute of Earth Sciences, Palaeobiology, Uppsala University, SE- 752 36 Uppsala, Sweden</mods:affiliation>
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<mods:roleTerm id="DCECEF216541113CA7CF5478EDACFA9C">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="CF27E4C1F209C933D38259193E32EB89">Holmer, Lars E.</mods:namePart>
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<mods:affiliation id="ABFAFC774F5B8D14993E947B6BE78695">State Key Laboratory of Continental Dynamics, Shaanxi Key Laboratory of Early Life & Environments, Early Life Institute, Department of Geology, Northwest University, Xi’an 710069, China; & Institute of Earth Sciences, Palaeobiology, Uppsala University, SE- 752 36 Uppsala, Sweden</mods:affiliation>
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</mods:name>
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<mods:role id="7140B33F9282834AD4993340FDCC0D73">
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<mods:roleTerm id="F6724DFD42077024EE850E01A9DA5C9F">Author</mods:roleTerm>
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<mods:namePart id="58F728D10C52327FD7F60B672FD67E81">Chen, Feiyang</mods:namePart>
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<mods:affiliation id="36AE3415EA37385DDE79DFF9EF8C8232">State Key Laboratory of Continental Dynamics, Shaanxi Key Laboratory of Early Life & Environments, Early Life Institute, Department of Geology, Northwest University, Xi’an 710069, China; & Department of Biological Sciences, Macquarie University, North Ryde, NSW 2109, Australia;</mods:affiliation>
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</mods:role>
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<mods:namePart id="4DB1F85F3637007E004170E5E1DE8FB7">Brock, Glenn A.</mods:namePart>
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<mods:affiliation id="3A34D1DCCD18597F7C9BFC39F2A77881">State Key Laboratory of Continental Dynamics, Shaanxi Key Laboratory of Early Life & Environments, Early Life Institute, Department of Geology, Northwest University, Xi’an 710069, China; & Department of Biological Sciences, Macquarie University, North Ryde, NSW 2109, Australia;</mods:affiliation>
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<mods:typeOfResource id="A728F76EED83799F3122A6B043F91096">text</mods:typeOfResource>
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<mods:title id="783B9AEC64F778614D843963F0502E8B">Journal of Systematic Palaeontology</mods:title>
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</mods:titleInfo>
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<mods:part id="398D31FF259197A952E092FB34285851">
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<mods:date id="1633DD44CE40D6BA8B6BCAFF759569CC">2020</mods:date>
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<mods:detail id="8A5F4934EEE2891367358ED9ADF688A8" type="pubDate">
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<mods:number id="CE872B3B5B8848D20335720FECBA8433">2020-08-07</mods:number>
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<mods:detail id="F0C0C51D5AE583FA2F98A80E5D6E5F77" type="volume">
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<mods:number id="A37223A696E026326045EF9336F17922">18</mods:number>
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</mods:detail>
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<mods:detail id="FFA5E6A0EC53EB9D27F305712FF7BEAE" type="issue">
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<mods:number id="3F5F497E075314C0C86D31AAA959F729">19</mods:number>
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<mods:start id="8A09DDFE1890DD2DDDCD7B10734E9191">1569</mods:start>
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<mods:end id="A80A0D4AFA0E9AC61E776FF189706D63">1588</mods:end>
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<mods:location id="20D7C918946B67CF3212AA356EB3ADA2">
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<mods:url id="0A2DF15B32294C77E3E2ADA571DA9896">http://dx.doi.org/10.1080/14772019.2020.1794991</mods:url>
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<mods:classification id="C34ACD48A70DE6EE4C1EACE7E349808F">journal article</mods:classification>
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<mods:identifier id="9345BFAADDFEE5158B524B43392E24C2" type="DOI">10.1080/14772019.2020.1794991</mods:identifier>
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<mods:identifier id="049383AAA6FC7389A1106D850608B327" type="ISSN">1478-0941</mods:identifier>
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<mods:identifier id="E276A4BC2CC1E7288CBD1C3CD0349927" type="ZooBank">2C95FB13-7B15-43A2-B37C-AAA1B74A2D1C</mods:identifier>
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</mods:mods>
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<treatment id="03EE8790FF95FFFA2FA0FE44A45FE983" LSID="urn:lsid:zoobank.org:act:CE0407A2-EA15-4ADE-94AA-9F20063D7222" httpUri="http://treatment.plazi.org/id/03EE8790FF95FFFA2FA0FE44A45FE983" lastPageId="4" lastPageNumber="1572" pageId="3" pageNumber="1571">
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<subSubSection id="C35D650DFF95FFFD2FA0FE44A43CECFC" box="[999,1312,1395,1419]" pageId="3" pageNumber="1571" type="nomenclature">
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<paragraph id="8BF83686FF95FFFD2FA0FE44A43CECFC" blockId="3.[914,1397,1268,1419]" box="[999,1312,1395,1419]" pageId="3" pageNumber="1571">
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<heading id="D0B081EAFF95FFFD2FA0FE44A43CECFC" box="[999,1312,1395,1419]" centered="true" fontSize="10" level="2" pageId="3" pageNumber="1571" reason="6">
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Genus
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<taxonomicName id="4C474D05FF95FFFD2873FE43A5AEECFC" authority="Zhang & Holmer & Chen & Brock, 2020" authorityName="Zhang & Holmer & Chen & Brock" authorityYear="2020" box="[1076,1202,1395,1419]" class="Lingulata" family="Acrotretidae" genus="Palaeotreta" higherTaxonomySource="GBIF" kingdom="Animalia" order="Acrotretida" pageId="3" pageNumber="1571" phylum="Brachiopoda" rank="genus" status="gen. nov.">
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<emphasis id="B933EA94FF95FFFD2873FE43A5AEECFC" bold="true" box="[1076,1202,1395,1419]" italics="true" pageId="3" pageNumber="1571">Palaeotreta</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A20057EFFF95FFFD28FCFE44A43CECFC" box="[1211,1312,1396,1419]" pageId="3" pageNumber="1571" rank="genus">gen. nov.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C35D650DFF95FFFD2F0BFE84A5D5EFEB" pageId="3" pageNumber="1571" type="type_taxon">
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||
<paragraph id="8BF83686FF95FFFD2F0BFE84A2C7EF7C" blockId="3.[844,1467,1460,1547]" pageId="3" pageNumber="1571">
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<materialsCitation id="3B2F3CDBFF95FFFD2F0BFE84A2CBEF7C" country="China" location="Cambrian Series" municipality="South" pageId="3" pageNumber="1571" specimenCount="1" stateProvince="Shaanxi" typeStatus="holotype">
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<emphasis id="B933EA94FF95FFFD2F0BFE84A2F3ECBC" bold="true" box="[844,1007,1460,1483]" pageId="3" pageNumber="1571">
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<typeStatus id="54FC8824FF95FFFD2F0BFE84A29AECBC" box="[844,902,1460,1483]" pageId="3" pageNumber="1571">Type</typeStatus>
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species.
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</emphasis>
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<taxonomicName id="4C474D05FF95FFFD2845FE84A43FECBC" authority="Zhang & Holmer & Chen & Brock, 2020" authorityName="Zhang & Holmer & Chen & Brock" authorityYear="2020" box="[1026,1315,1460,1483]" class="Lingulata" family="Acrotretidae" genus="Palaeotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="3" pageNumber="1571" phylum="Brachiopoda" rank="species" species="shannanensis" status="gen. et sp. nov.">
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<emphasis id="B933EA94FF95FFFD2845FE84A43FECBC" box="[1026,1315,1460,1483]" italics="true" pageId="3" pageNumber="1571">Palaeotreta shannanensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A20057EFFF95FFFD2972FE84A263EC9C" pageId="3" pageNumber="1571" rank="species">gen. et sp. nov.</taxonomicNameLabel>
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;
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<location id="8E98605DFF95FFFD2FE7FEE4A574EC9C" LSID="urn:lsid:plazi:treatment:03EE8790FF95FFFA2FA0FE44A45FE983:8E98605DFF95FFFD2FE7FEE4A574EC9C" box="[928,1128,1492,1515]" country="China" municipality="South" name="Cambrian Series" pageId="3" pageNumber="1571" stateProvince="Shaanxi">Cambrian Series</location>
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2 of southern
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<collectingRegion id="4983F864FF95FFFD2919FEE4A4ABEC9C" box="[1374,1463,1492,1515]" country="China" name="Shaanxi" pageId="3" pageNumber="1571">Shaanxi</collectingRegion>
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,
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<collectingMunicipality id="6B9CACFCFF95FFFD2F0BFEC4A296EF7C" box="[844,906,1524,1547]" pageId="3" pageNumber="1571">South</collectingMunicipality>
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<collectingCountry id="F3507616FF95FFFD2FD3FEC4A2CBEF7C" box="[916,983,1524,1547]" name="China" pageId="3" pageNumber="1571">China</collectingCountry>
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</materialsCitation>
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.
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</paragraph>
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<paragraph id="8BF83686FF95FFFD2F0BFD14A5D5EFEB" blockId="3.[844,1467,1572,1692]" pageId="3" pageNumber="1571">
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<emphasis id="B933EA94FF95FFFD2F0BFD14A55FEF4C" bold="true" box="[844,1091,1572,1595]" pageId="3" pageNumber="1571">Derivation of name.</emphasis>
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<emphasis id="B933EA94FF95FFFD2813FD14A5BCEF4C" box="[1108,1184,1572,1595]" italics="true" pageId="3" pageNumber="1571">Palaeo</emphasis>
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, ‘old’, from the Greek
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<emphasis id="B933EA94FF95FFFD2F0BFD75A287EF2B" box="[844,923,1604,1628]" italics="true" pageId="3" pageNumber="1571">palaíos</emphasis>
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, describing an ancestral representative of acrotretide brachiopods, with the ending –
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<emphasis id="B933EA94FF95FFFD29C6FD55A4AFEF0B" box="[1409,1459,1637,1660]" italics="true" pageId="3" pageNumber="1571">treta</emphasis>
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, ‘perforated’ from the Greek
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<emphasis id="B933EA94FF95FFFD28C2FDB5A5DEEFEB" box="[1157,1218,1668,1692]" italics="true" pageId="3" pageNumber="1571">tr̄etos</emphasis>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C35D650DFF95FFFA2F0AFD85A0B0EB29" lastPageId="4" lastPageNumber="1572" pageId="3" pageNumber="1571" type="description">
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<paragraph id="8BF83686FF95FFFA2F0AFD85A0B0EB29" blockId="3.[845,1467,1717,1901]" lastBlockId="4.[159,782,189,606]" lastPageId="4" lastPageNumber="1572" pageId="3" pageNumber="1571">
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<emphasis id="B933EA94FF95FFFD2F0AFD85A2CBEFBB" bold="true" box="[845,983,1717,1740]" pageId="3" pageNumber="1571">Description.</emphasis>
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Shell ventribiconvex, sub-circular to transversely oval, ornamented with evenly distributed pits, about 1
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<emphasis id="B933EA94FF95FFFD2FEFFDC5A2ABEE7A" bold="true" box="[936,951,1781,1805]" pageId="3" pageNumber="1571">M</emphasis>
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m in diameter covering the metamorphic shell, and with finely concentric growth lines on the post-metamorphic shell. Ventral valve cap-like to low conical, pseudointerarea vestigial, from catacline to apsacline, with very short intertrough. Incipient pedicle notch is open during the long pedicle foramen-developing stage. Adult pedicle foramen located outside of the metamorphic shell. Growth lines developed on a separate area between the metamorphic shell and pedicle foramen. Apical process vestigial, very close to the pedicle foramen. Cardinal muscle scars and vascula lateralia weakly impressed. Dorsal valve slightly convex. Pseudointerarea orthocline, short with narrow subtriangular median groove. Median buttress generally well developed, while median septum vestigial. Cardinal muscle scars weakly impressed. Secondary shell layer columns relatively short.
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</paragraph>
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</subSubSection>
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<subSubSection id="C35D650DFF92FFFA2CD8F947A45FE983" pageId="4" pageNumber="1572" type="discussion">
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<paragraph id="8BF83686FF92FFFA2CD8F947A3D5EF51" blockId="4.[159,781,631,1901]" pageId="4" pageNumber="1572">
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<emphasis id="B933EA94FF92FFFA2CD8F947A011EBF9" bold="true" box="[159,269,631,654]" pageId="4" pageNumber="1572">Remarks.</emphasis>
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The new genus is established for acrotretide species that are similar to
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<taxonomicName id="4C474D05FF92FFFA2E71F9A8A3DAEBD8" authorityName="Li & Holmer" authorityYear="2004" box="[566,710,664,687]" class="Lingulata" family="Acrotretidae" genus="Eohadrotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
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<emphasis id="B933EA94FF92FFFA2E71F9A8A3DAEBD8" box="[566,710,664,687]" italics="true" pageId="4" pageNumber="1572">Eohadrotreta</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C474D05FF92FFFA2CD8F988A030EBB8" authorityName="Walcott" authorityYear="1885" box="[159,300,696,719]" class="Lingulata" family="Acrotretidae" genus="Linnarssonia" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Acrotretida" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
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<emphasis id="B933EA94FF92FFFA2CD8F988A030EBB8" box="[159,300,696,719]" italics="true" pageId="4" pageNumber="1572">Linnarssonia</emphasis>
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</taxonomicName>
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. However, the new genus differs from all other (especially from Cambrian Epoch 2) acrotretides in having the following characters: (1) a catacline to apsacline inclination of ventral pseudointerarea with short intertrough; (2) a pedicle foramen that is located mostly outside the metamorphic shell; (3) a vestigial apical process and median septum; and (4) weakly impressed cardinal muscle scars.
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<taxonomicName id="4C474D05FF92FFFA2E31F8AEA21AEAC2" authorityName="Li & Holmer" authorityYear="2004" box="[630,774,926,949]" class="Lingulata" family="Acrotretidae" genus="Eohadrotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
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<emphasis id="B933EA94FF92FFFA2E31F8AEA21AEAC2" box="[630,774,926,949]" italics="true" pageId="4" pageNumber="1572">Eohadrotreta</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="4C474D05FF92FFFA2CD8F88FA012EAA1" authorityName="Bell" authorityYear="1938" box="[159,270,959,982]" class="Lingulata" family="Acrotretidae" genus="Prototreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
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<emphasis id="B933EA94FF92FFFA2CD8F88FA012EAA1" box="[159,270,959,982]" italics="true" pageId="4" pageNumber="1572">Prototreta</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="4C474D05FF92FFFA2D6FF88FA0A9EAA1" authorityName="Mergl" authorityYear="1988" box="[296,437,959,982]" class="Lingulata" family="Acrotretidae" genus="Vandalotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
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<emphasis id="B933EA94FF92FFFA2D6FF88FA0A9EAA1" box="[296,437,959,982]" italics="true" pageId="4" pageNumber="1572">Vandalotreta</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="4C474D05FF92FFFA2D89F88FA35AEAA1" authorityName="Rowell" authorityYear="1966" box="[462,582,959,982]" class="Lingulata" family="Acrotretidae" genus="Hadrotreta" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Acrotretida" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
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<emphasis id="B933EA94FF92FFFA2D89F88FA35AEAA1" box="[462,582,959,982]" italics="true" pageId="4" pageNumber="1572">Hadrotreta</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C474D05FF92FFFA2ED4F88FA210EAA1" authorityName="Koneva" authorityYear="1990" box="[659,780,959,982]" class="Lingulata" family="Acrotretidae" genus="Kotylotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
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<emphasis id="B933EA94FF92FFFA2ED4F88FA210EAA1" box="[659,780,959,982]" italics="true" pageId="4" pageNumber="1572">Kotylotreta</emphasis>
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</taxonomicName>
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mainly have procline pseudointerarea with a relatively long intertrough. Although the apsacline ventral pseudointerarea and internal structures (apical process, median septum) of
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<taxonomicName id="4C474D05FF92FFFA2DC5FF73A31CED2D" authorityName="Zhang & Holmer & Chen & Brock" authorityYear="2020" box="[386,512,1091,1114]" class="Lingulata" family="Acrotretidae" genus="Palaeotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
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<emphasis id="B933EA94FF92FFFA2DC5FF73A31CED2D" box="[386,512,1091,1114]" italics="true" pageId="4" pageNumber="1572">Palaeotreta</emphasis>
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</taxonomicName>
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can be compared with Cambrian Epoch 3 taxa, such as
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<taxonomicName id="4C474D05FF92FFFA2E6CFF53A3B5ED0D" authorityName="Rowell" authorityYear="1980" box="[555,681,1123,1146]" class="Lingulata" family="Acrotretidae" genus="Aphelotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
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<emphasis id="B933EA94FF92FFFA2E6CFF53A3B5ED0D" box="[555,681,1123,1146]" italics="true" pageId="4" pageNumber="1572">Aphelotreta</emphasis>
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</taxonomicName>
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and the Furongian
|
||
<taxonomicName id="4C474D05FF92FFFA2D5EFFB4A0A5EDEC" authorityName="Walcott" authorityYear="1903" box="[281,441,1156,1179]" class="Lingulata" family="Acrotretidae" genus="Linnarssonella" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="B933EA94FF92FFFA2D5EFFB4A0A5EDEC" box="[281,441,1156,1179]" italics="true" pageId="4" pageNumber="1572">Linnarssonella</emphasis>
|
||
</taxonomicName>
|
||
, the positions of pedicle foramen and ventral pseudointerarea are different. The ventral apical process and dorsal septum of
|
||
<taxonomicName id="4C474D05FF92FFFA2E23FFF6A3FEEDAA" authorityName="Zhang & Holmer & Chen & Brock" authorityYear="2020" box="[612,738,1222,1245]" class="Lingulata" family="Acrotretidae" genus="Palaeotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="B933EA94FF92FFFA2E23FFF6A3FEEDAA" box="[612,738,1222,1245]" italics="true" pageId="4" pageNumber="1572">Palaeotreta</emphasis>
|
||
</taxonomicName>
|
||
are very weakly defined, while
|
||
<taxonomicName id="4C474D05FF92FFFA2DB4FFD7A39CED89" authorityName="Walcott" authorityYear="1885" box="[499,640,1255,1278]" class="Lingulata" family="Acrotretidae" genus="Linnarssonia" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Acrotretida" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="B933EA94FF92FFFA2DB4FFD7A39CED89" box="[499,640,1255,1278]" italics="true" pageId="4" pageNumber="1572">Linnarssonia</emphasis>
|
||
</taxonomicName>
|
||
develops a high, boss-like apical process and has a high median septum.
|
||
<taxonomicName id="4C474D05FF92FFFA2C9DFE19A07BEC37" authorityName="Li & Holmer" authorityYear="2004" box="[218,359,1321,1344]" class="Lingulata" family="Acrotretidae" genus="Eohadrotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="B933EA94FF92FFFA2C9DFE19A07BEC37" box="[218,359,1321,1344]" italics="true" pageId="4" pageNumber="1572">Eohadrotreta</emphasis>
|
||
</taxonomicName>
|
||
has a relatively more well-developed apical process and median septum.
|
||
<taxonomicName id="4C474D05FF92FFFA2E69FE79A3A4EC17" authorityName="Mergl" authorityYear="1988" box="[558,696,1353,1376]" class="Lingulata" family="Acrotretidae" genus="Vandalotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="B933EA94FF92FFFA2E69FE79A3A4EC17" box="[558,696,1353,1376]" italics="true" pageId="4" pageNumber="1572">Vandalotreta</emphasis>
|
||
</taxonomicName>
|
||
has an apical process that forms a boss-like thickening anterior to the internal foramen and
|
||
<taxonomicName id="4C474D05FF92FFFA2DA5FEBBA34BECD5" authorityName="Rowell" authorityYear="1966" box="[482,599,1419,1442]" class="Lingulata" family="Acrotretidae" genus="Hadrotreta" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Acrotretida" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="B933EA94FF92FFFA2DA5FEBBA34BECD5" box="[482,599,1419,1442]" italics="true" pageId="4" pageNumber="1572">Hadrotreta</emphasis>
|
||
</taxonomicName>
|
||
develops apical pits that are situated close to the apical process (
|
||
<bibRefCitation id="EFD64B77FF92FFFA2EFCFE9CA05CEC93" author="Holmer, L. E. & Popov, L. E." pageId="4" pageNumber="1572" refId="ref11496" refString="Holmer, L. E. & Popov, L. E. 2000. Order Acrotretida. Pp. 321 - 440 in R. L. Kaesler (ed.) Treatise on invertebrate paleontology, part H, Brachiopoda (revised) volume 2. Geological Society of America, Boulder and University of Kansas, Lawrence." type="book" year="2000">Holmer & Popov 2000</bibRefCitation>
|
||
).
|
||
<taxonomicName id="4C474D05FF92FFFA2D1DFEFDA313EC93" authorityName="Zhang, Holmer & Hu" authorityYear="2012" box="[346,527,1485,1508]" class="Lingulata" family="Acrotretidae" genus="Kuangshanotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="B933EA94FF92FFFA2D1DFEFDA313EC93" box="[346,527,1485,1508]" italics="true" pageId="4" pageNumber="1572">Kuangshanotreta</emphasis>
|
||
</taxonomicName>
|
||
is difficult to compare with the new genus in the absence of data on shell morphology and ornamentation (
|
||
<bibRefCitation id="EFD64B77FF92FFFA2DBAFD3FA3A5EF51" author="Wang, H. & Zhang, Z. & Holmer, L. E. & Hu, S. & Wang, X. & Li, G. X." box="[509,697,1551,1574]" pageId="4" pageNumber="1572" pagination="60 - 67" refId="ref13300" refString="Wang, H., Zhang, Z., Holmer, L. E., Hu, S., Wang, X. & Li, G. X. 2012. Peduncular attached secondary tiering acrotretoid brachiopods from the Chengjiang fauna: Implications for the ecological expansion of brachiopods during the Cambrian explosion. Palaeogeography, Palaeoclimatology, Palaeoecology, 323, 60 - 67. doi: 10. 1016 / j. palaeo. 2012.01.027" type="journal article" year="2012">
|
||
Wang
|
||
<emphasis id="B933EA94FF92FFFA2E01FD3FA369EF51" box="[582,629,1551,1574]" italics="true" pageId="4" pageNumber="1572">et al</emphasis>
|
||
. 2012
|
||
</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BF83686FF92FFFA2CFEFD1EA45FE983" blockId="4.[159,781,631,1901]" lastBlockId="4.[845,1467,189,244]" pageId="4" pageNumber="1572">
|
||
<taxonomicName id="4C474D05FF92FFFA2CFEFD1EA02BEF32" authorityName="Zhang & Holmer & Chen & Brock" authorityYear="2020" box="[185,311,1582,1605]" class="Lingulata" family="Acrotretidae" genus="Palaeotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="B933EA94FF92FFFA2CFEFD1EA02BEF32" box="[185,311,1582,1605]" italics="true" pageId="4" pageNumber="1572">Palaeotreta</emphasis>
|
||
</taxonomicName>
|
||
is the third genus of the
|
||
<taxonomicName id="4C474D05FF92FFFA2E27FD1EA3C5EF32" authorityName="Kuhn" authorityYear="1949" box="[608,729,1582,1605]" class="Lingulata" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Acrotretida" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="order">Acrotretida</taxonomicName>
|
||
that has been described from the Cambrian Series 2 of South
|
||
<collectingCountry id="F3507616FF92FFFA2CD8FD40A1FDEFF0" box="[159,225,1648,1671]" name="China" pageId="4" pageNumber="1572">China</collectingCountry>
|
||
, and this region has a higher diversity of coeval acrotretides as compared to South Australia, Laurentia,
|
||
<collectingCountry id="F3507616FF92FFFA2CD8FD82A012EFBE" box="[159,270,1714,1737]" name="Antarctica" pageId="4" pageNumber="1572">Antarctica</collectingCountry>
|
||
and Siberia. The most unique character of
|
||
<taxonomicName id="4C474D05FF92FFFA2CD8FDE3A001EF9D" authorityName="Zhang & Holmer & Chen & Brock" authorityYear="2020" box="[159,285,1747,1770]" class="Lingulata" family="Acrotretidae" genus="Palaeotreta" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="B933EA94FF92FFFA2CD8FDE3A001EF9D" box="[159,285,1747,1770]" italics="true" pageId="4" pageNumber="1572">Palaeotreta</emphasis>
|
||
</taxonomicName>
|
||
is the position of the pedicle foramen, which is located mostly outside of the metamorphic shell from the
|
||
<collectionCode id="ED56AE43FF92FFFA2D09FC24A043EE5C" box="[334,351,1812,1835]" name="Tavera, Department of Geology and Geophysics" pageId="4" pageNumber="1572">T</collectionCode>
|
||
2 ontogenetic stage. In this feature it has similarities to some Cambrian
|
||
<taxonomicName id="4C474D05FF92FFFA2E17FC05A3CEEE3B" authorityName="Rowell" authorityYear="1965" box="[592,722,1845,1868]" class="Lingulata" family="Ceratretidae" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Acrotretida" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="family">Ceratretidae</taxonomicName>
|
||
and Ordovician
|
||
<taxonomicName id="4C474D05FF92FFFA2D6CFC66A0F6EE1A" authorityName="Rowell" authorityYear="1965" box="[299,490,1878,1901]" class="Lingulata" family="Scaphelasmatidae" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Acrotretida" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="family">Scaphelasmatidae</taxonomicName>
|
||
species (
|
||
<bibRefCitation id="EFD64B77FF92FFFA2E2FFC66A219EE1A" author="Holmer, L. E." box="[616,773,1878,1901]" pageId="4" pageNumber="1572" pagination="1 - 172" refId="ref11404" refString="Holmer, L. E. 1989. Middle Ordovician phosphatic inarticulate brachiopods from V ¨ astergotland and Dalarna, Sweden. Fossils and Strata, 26, 1 - 172." type="journal article" year="1989">Holmer 1989</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFD64B77FF92FFFA2F0AFB8DA549E9A3" author="Holmer, L. E. & Popov, L. E." box="[845,1109,189,212]" pageId="4" pageNumber="1572" refId="ref11496" refString="Holmer, L. E. & Popov, L. E. 2000. Order Acrotretida. Pp. 321 - 440 in R. L. Kaesler (ed.) Treatise on invertebrate paleontology, part H, Brachiopoda (revised) volume 2. Geological Society of America, Boulder and University of Kansas, Lawrence." type="book" year="2000">Holmer & Popov 2000</bibRefCitation>
|
||
); but to date, this character is not known from early Cambrian
|
||
<taxonomicName id="4C474D05FF92FFFA28F1FBEDA423E983" authorityName="Schuchert" authorityYear="1893" box="[1206,1343,221,244]" class="Lingulata" family="Acrotretidae" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Acrotretida" pageId="4" pageNumber="1572" phylum="Brachiopoda" rank="family">Acrotretidae</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |