192 lines
24 KiB
XML
192 lines
24 KiB
XML
<document id="FAD47D57AD91519697153A4924AA63B5" ID-DOI="10.5281/zenodo.4651080" ID-ISSN="1638-9395" ID-Zenodo-Dep="4651080" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1617195131926" checkinUser="felipe" docAuthor="Bianucci, Giovanni, Lambert, Olivier & Post, Klaas" docDate="2007" docId="550B87C3C161FF87FCE771E6FEDC07A3" docLanguage="en" docName="Geodiversitas.29.4.561-618.pdf" docOrigin="Geodiversitas 29 (4)" docStyle="DocumentStyle:94524207C6714CF92F879FE43E306202.3:Geodiversitas.2000-2008.journal_article.type2" docStyleId="94524207C6714CF92F879FE43E306202" docStyleName="Geodiversitas.2000-2008.journal_article.type2" docStyleVersion="3" docTitle="Xhosacetus hendeysi Bianucci & Lambert & Post 2007, n. sp." docType="treatment" docVersion="3" lastPageNumber="595" masterDocId="A932FFBBC17EFFA5FFC47277FFBE056E" masterDocTitle="A high diversity in fossil beaked whales (Mammalia, Odontoceti, Ziphiidae) recovered by trawling from the sea floor off South Africa" masterLastPageNumber="618" masterPageNumber="561" pageNumber="592" updateTime="1698897450673" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
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<mods:mods id="83AD3A345D5B695C926D23EBC15919BB" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="443513E68F3BE9B559C049FCEE314DB0">
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<mods:title id="95E49DF01776306AFA7BF0AE495DE454">A high diversity in fossil beaked whales (Mammalia, Odontoceti, Ziphiidae) recovered by trawling from the sea floor off South Africa</mods:title>
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</mods:titleInfo>
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<mods:name id="11B4CD60F8F3220C0B575845FEFCD3B5" type="personal">
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<mods:role id="409D382764E9BAFDEC6934076BC271E3">
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<mods:roleTerm id="E03908166AB8E63CBB955CCE0ABC8888">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="A2EC980C1940C943CF655BDAEB3CBFD4">Bianucci, Giovanni</mods:namePart>
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<mods:affiliation id="3208400AE44E8C8E1D529CCDD1230F73">Dipartimento di Scienze della Terra, Università di Pisa, via S. Maria, 53, I- 56126 Pisa (Italy) bianucci @ dst. unipi. it</mods:affiliation>
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</mods:name>
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<mods:name id="BFC8EB391A01489AAC0D4FE96F06487A" type="personal">
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<mods:role id="A61CB11E153B2772154B4800DEDD7784">
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<mods:roleTerm id="66A0D187A376FB14261E69A69B4AD26B">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="DF3920E3C59D814CDFEF9395C09C214F">Lambert, Olivier</mods:namePart>
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<mods:affiliation id="AE2A29188CC34DC7779142654A1916E4">Institut royal des Sciences naturelles de Belgique, Département de Paléontologie, rue Vautier, 29, B- 1000 Brussels (Belgium) olivier. lambert @ naturalsciences. be</mods:affiliation>
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</mods:name>
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<mods:name id="8FAF011154C8DB81731193EB553ED831" type="personal">
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<mods:role id="F65C237E085696D4B22EB8F831F60834">
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<mods:roleTerm id="3ED45BA16AC2C9C2009E56412BFF081E">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="A6A035059DAE3441CC96CFAB86F4C121">Post, Klaas</mods:namePart>
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<mods:affiliation id="9D2E398B3991C2A8BF35FB441BC238EC">Natuurhistorisch Museum Rotterdam, P. O. Box 23452, NL- 3001 Rotterdam (The Netherlands) klaas @ fiskano. nl</mods:affiliation>
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<mods:nameIdentifier id="1D3EAF25596D44893FBC43A4636D6660" type="email">klaas@fiskano.nl</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource id="7C567527EB5B3E875DC4D38280753822">text</mods:typeOfResource>
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<mods:relatedItem id="84F1171470C4F1FD39D5FEAB054782FF" type="host">
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<mods:titleInfo id="BF8A29361A597D8DC70CBEC0CB7B9A53">
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<mods:title id="85B88982D53289DDABBAC4502CD3A8E7">Geodiversitas</mods:title>
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</mods:titleInfo>
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<mods:part id="D9F62D896FA04E221A214F3954387CF5">
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<mods:date id="05D7BC717598D83DB5C2BB772A385E4D">2007</mods:date>
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<mods:detail id="AFB1524EC5C36C8CFCDC71B795A7B1BC" type="volume">
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<mods:number id="70107037299F81AD390CB550667CA139">29</mods:number>
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</mods:detail>
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<mods:detail id="EE6D4B076C3C54DAAD3D9B9A4609BC7F" type="issue">
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<mods:number id="340A60A2847353A0923E52A3751A8A08">4</mods:number>
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</mods:detail>
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<mods:extent id="32DB7A1D68B6A00D76C8BFC1F5A84C9E" unit="page">
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<mods:start id="75F1073E0BCFC49EC2B86891FB2BD5F2">561</mods:start>
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<mods:end id="8FC40E18D325458B70CF8B4F21AB1AE9">618</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:classification id="224ABFC590661D348D3C45A9F9296296">journal article</mods:classification>
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<mods:identifier id="4BD32182A9B159D3AAB7AB60E7FF550D" type="DOI">10.5281/zenodo.4651080</mods:identifier>
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<mods:identifier id="DAF51FACA49302AD4B09B8724443E389" type="ISSN">1638-9395</mods:identifier>
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<mods:identifier id="EB18CE64B97923742B2B1C97C95AFF8B" type="Zenodo-Dep">4651080</mods:identifier>
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<mods:identifier id="726A91D76E695C897E6BF8483C445AEE" type="ZooBank">FA38C827-6C5F-4B70-B306-F30C90801A2F</mods:identifier>
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</mods:mods>
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<treatment id="550B87C3C161FF87FCE771E6FEDC07A3" LSID="urn:lsid:plazi:treatment:550B87C3C161FF87FCE771E6FEDC07A3" httpUri="http://treatment.plazi.org/id/550B87C3C161FF87FCE771E6FEDC07A3" lastPageId="34" lastPageNumber="595" pageId="31" pageNumber="592">
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<subSubSection id="95B8655EC161FFBAFCE771E6FB8506C2" box="[803,1083,913,940]" pageId="31" pageNumber="592" type="nomenclature">
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<paragraph id="DD1D36D5C161FFBAFCE771E6FB8506C2" blockId="31.[803,1083,913,940]" box="[803,1083,913,940]" pageId="31" pageNumber="592">
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<heading id="865581B9C161FFBAFCE771E6FB8506C2" box="[803,1083,913,940]" centered="true" fontSize="11" level="2" pageId="31" pageNumber="592" reason="2">
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<taxonomicName id="1AA24D56C161FFBAFCE771E6FC4706C2" authority="Bianucci & Lambert & Post, 2007" authorityName="Bianucci & Lambert & Post" authorityYear="2007" box="[803,1017,913,940]" class="Mammalia" family="Ziphiidae" genus="Xhosacetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="31" pageNumber="592" phylum="Chordata" rank="species" species="hendeysi" status="sp. nov.">
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<emphasis id="EFD6EAC7C161FFBAFCE771E6FC4706C2" bold="true" box="[803,1017,913,940]" italics="true" pageId="31" pageNumber="592">Xhosacetus hendeysi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="F4E557BCC161FFBAFBC471E5FB8506C2" box="[1024,1083,914,940]" pageId="31" pageNumber="592" rank="species">n. sp.</taxonomicNameLabel>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="95B8655EC161FFBAFD6171BBFCB50176" pageId="31" pageNumber="592" type="materials_examined">
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<paragraph id="DD1D36D5C161FFBAFD6171BBFCB50176" blockId="31.[677,1209,971,1048]" pageId="31" pageNumber="592">
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<materialsCitation id="6DCA3C88C161FFBAFD6171BBFCB50176" collectionCode="SAM" pageId="31" pageNumber="592" specimenCode="PQ 2082" specimenCount="1" typeStatus="holotype">
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<typeStatus id="02198877C161FFBAFD6171BBFCB0068C" box="[677,782,972,995]" pageId="31" pageNumber="592" type="holotype">HOLOTYPE</typeStatus>
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. —
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<collectionCode id="BBB3AE10C161FFBAFCFD71BCFCD2068D" box="[825,876,971,995]" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="31" pageNumber="592">SAM</collectionCode>
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<specimenCode id="8D049EAEC161FFBAFCB571BCFC73068D" box="[881,973,971,995]" collectionCode="SAM" country="South Africa" httpUri="http://grbio.org/cool/mhew-9czz" name="South African Museum" pageId="31" pageNumber="592">PQ 2082</specimenCode>
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, a partial skull including most of the rostrum, anterior part of the cranium, and the vertex.
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="95B8655EC161FFBAFD617647FC0601DC" pageId="31" pageNumber="592" type="etymology">
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<paragraph id="DD1D36D5C161FFBAFD617647FC0601DC" blockId="31.[677,1210,1072,1202]" pageId="31" pageNumber="592">
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ETYMOLOGY. — Honouring Dr. Q. Brett Hendey, geologist and palaeontologist formerly at the SAM who dedicated his career to Tertiary terrestrial and marine mammals from
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<collectingCountry id="A5B57645C161FFBAFC867608FC7E01F9" box="[834,960,1151,1175]" name="South Africa" pageId="31" pageNumber="592">South Africa</collectingCountry>
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, particularly from the famous site of Langebaanweg.
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</paragraph>
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</subSubSection>
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<subSubSection id="95B8655EC161FFBAFD6176BDFC950192" pageId="31" pageNumber="592" type="materials_examined">
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<paragraph id="DD1D36D5C161FFBAFD6176BDFC950192" blockId="31.[677,1209,1226,1276]" pageId="31" pageNumber="592">
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<collectionCode id="BBB3AE10C161FFBAFD6176BDFCFF018E" box="[677,833,1226,1249]" pageId="31" pageNumber="592">TYPE LOCALITY</collectionCode>
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. — No data. Trawled off the South African coast.
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</paragraph>
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</subSubSection>
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<subSubSection id="95B8655EC161FF84FD617762FF5B006B" lastPageId="33" lastPageNumber="594" pageId="31" pageNumber="592" type="diagnosis">
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<paragraph id="DD1D36D5C161FF84FD617762FF5B006B" blockId="31.[677,1210,1300,1695]" lastBlockId="33.[113,647,1102,1285]" lastPageId="33" lastPageNumber="594" pageId="31" pageNumber="592">
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DIAGNOSIS. —
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<taxonomicName id="1AA24D56C161FFBAFC847763FC420042" authority="Bianucci & Lambert & Post, 2007" authorityName="Bianucci & Lambert & Post" authorityYear="2007" box="[832,1020,1300,1324]" class="Mammalia" family="Ziphiidae" genus="Xhosacetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="31" pageNumber="592" phylum="Chordata" rank="species" species="hendeysi" status="n. gen., n. sp.">
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<emphasis id="EFD6EAC7C161FFBAFC847763FC420042" box="[832,1020,1300,1324]" italics="true" pageId="31" pageNumber="592">Xhosacetus hendeysi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="F4E557BCC161FFBAFBC77762FB310042" box="[1027,1167,1301,1325]" pageId="31" pageNumber="592" rank="species">n. gen., n. sp.</taxonomicNameLabel>
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differs from all other ziphiids except
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<taxonomicName id="1AA24D56C161FFBAFBC97758FBF20028" authority="Bianucci & Lambert & Post, 2007" authorityName="Bianucci & Lambert & Post" authorityYear="2007" box="[1037,1100,1327,1350]" class="Liliopsida" family="Arecaceae" genus="Nenga" kingdom="Plantae" order="Arecales" pageId="31" pageNumber="592" phylum="Tracheophyta" rank="genus" status="gen. nov.">
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<emphasis id="EFD6EAC7C161FFBAFBC97758FBF20028" box="[1037,1100,1327,1350]" italics="true" pageId="31" pageNumber="592">Nenga</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="F4E557BCC161FFBAFB907758FB230029" box="[1108,1181,1327,1351]" pageId="31" pageNumber="592" rank="genus">n. gen.</taxonomicNameLabel>
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in possessing relatively large nasals, as wide as long, with roughly parallel lateral margins. It further differs from members of the
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<taxonomicName id="1AA24D56C161FFBAFC907709FC7200F8" box="[852,972,1406,1430]" class="Mammalia" family="Ziphiidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="31" pageNumber="592" phylum="Chordata" rank="subTribe" subTribe="Berardiinae">Berardiinae</taxonomicName>
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and
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<taxonomicName id="1AA24D56C161FFBAFBC17709FBD500F8" authorityName="Gray" authorityYear="1850" box="[1029,1131,1406,1430]" class="Mammalia" family="Ziphiidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="31" pageNumber="592" phylum="Chordata" rank="subFamily" subFamily="Ziphiinae">Ziphiinae</taxonomicName>
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in: the short intrusion of the nasal in the premaxillary crest; the filling of the mesorostral groove by the vomer at least partly by thickening of the lateral walls and from the
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<taxonomicName id="1AA24D56C161FFBAFD08779FFC80036E" box="[716,830,1512,1536]" class="Mammalia" family="Ziphiidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="31" pageNumber="592" phylum="Chordata" rank="subTribe" subTribe="Berardiinae">Berardiinae</taxonomicName>
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in a moderate constriction of the ascending process of the premaxilla. It differs from the
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<taxonomicName id="1AA24D56C161FFBAFD61746AFCE4035B" authorityName="Gray" authorityYear="1866" box="[677,858,1565,1589]" class="Mammalia" family="Ziphiidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="31" pageNumber="592" phylum="Chordata" rank="subFamily" subFamily="Hyperoodontinae">Hyperoodontinae</taxonomicName>
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and
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<taxonomicName id="1AA24D56C161FFBAFC55746AFC4B035B" authorityName="Gray" authorityYear="1850" box="[913,1013,1565,1589]" class="Mammalia" family="Ziphiidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="31" pageNumber="592" phylum="Chordata" rank="subFamily" subFamily="Ziphiinae">Ziphiinae</taxonomicName>
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in the transversely oriented premaxillary crest. It further differs from the
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<taxonomicName id="1AA24D56C161FFBAFD617426FCE70307" authorityName="Gray" authorityYear="1866" box="[677,857,1617,1641]" class="Mammalia" family="Ziphiidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="31" pageNumber="592" phylum="Chordata" rank="subFamily" subFamily="Hyperoodontinae">Hyperoodontinae</taxonomicName>
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,
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<taxonomicName id="1AA24D56C161FFBAFCA17425FC7A0307" authority="Bianucci & Lambert & Post, 2007" authorityName="Bianucci & Lambert & Post" authorityYear="2007" box="[869,964,1618,1641]" class="Mammalia" family="Ziphiidae" genus="Pterocetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="31" pageNumber="592" phylum="Chordata" rank="genus" status="gen. nov.">
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<emphasis id="EFD6EAC7C161FFBAFCA17425FC7A0307" box="[869,964,1618,1641]" italics="true" pageId="31" pageNumber="592">Pterocetus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="F4E557BCC161FFBAFC087425FBA80304" box="[972,1046,1618,1642]" pageId="31" pageNumber="592" rank="genus">n. gen.</taxonomicNameLabel>
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, and
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<taxonomicName id="1AA24D56C161FFBAFB8B7425FB040307" authorityName="Oliver" authorityYear="1937" box="[1103,1210,1618,1641]" class="Mammalia" family="Hyperoodontidae" genus="Tasmacetus" kingdom="Animalia" order="Cetacea" pageId="31" pageNumber="592" phylum="Chordata" rank="genus">
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<emphasis id="EFD6EAC7C161FFBAFB8B7425FB040307" box="[1103,1210,1618,1641]" italics="true" pageId="31" pageNumber="592">Tasmacetus</emphasis>
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</taxonomicName>
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in the lack of an anteromedian depression of the nasals and from the same group, except
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<taxonomicName id="1AA24D56C161FFBAFC2374F1FBD503F0" authority="Bianucci & Lambert & Post, 2007" authorityName="Bianucci & Lambert & Post" authorityYear="2007" box="[999,1131,1670,1694]" class="Mammalia" family="Ziphiidae" genus="Khoikhoicetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="31" pageNumber="592" phylum="Chordata" rank="genus" status="gen. nov.">
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<emphasis id="EFD6EAC7C161FFBAFC2374F1FBD503F0" box="[999,1131,1670,1694]" italics="true" pageId="31" pageNumber="592">Khoikhoicetus</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="F4E557BCC161FFBAFBB474F0FB0803F1" box="[1136,1206,1671,1695]" pageId="31" pageNumber="592" rank="genus">n. gen.</taxonomicNameLabel>
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, in a weaker constriction of the ascending process of the premaxilla. It differs from
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<taxonomicName id="1AA24D56C15FFF84FE6D761DFDAA01EF" authorityName="Oliver" authorityYear="1937" box="[425,532,1130,1153]" class="Mammalia" family="Hyperoodontidae" genus="Tasmacetus" kingdom="Animalia" order="Cetacea" pageId="33" pageNumber="594" phylum="Chordata" rank="genus">
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<emphasis id="EFD6EAC7C15FFF84FE6D761DFDAA01EF" box="[425,532,1130,1153]" italics="true" pageId="33" pageNumber="594">Tasmacetus</emphasis>
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</taxonomicName>
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in: smaller size, mesorostral groove filled with ossified vomer and shallower alveolar groove. It differs from
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<taxonomicName id="1AA24D56C15FFF84FDD576E9FD3901D8" authorityName="de Muizon" authorityYear="1983" box="[529,647,1182,1206]" class="Mammalia" family="Ziphiidae" genus="Ninoziphius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="33" pageNumber="594" phylum="Chordata" rank="genus">
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<emphasis id="EFD6EAC7C15FFF84FDD576E9FD3901D8" box="[529,647,1182,1206]" italics="true" pageId="33" pageNumber="594">Ninoziphius</emphasis>
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</taxonomicName>
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in: elevated and narrow rostrum, mesorostral groove filled with ossified vomer and reduction of the maxillary alveoli.
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</paragraph>
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</subSubSection>
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<caption id="89DD665DC15EFF85FFB6740EFF6C03CE" ID-DOI="http://doi.org/10.5281/zenodo.4651130" ID-Zenodo-Dep="4651130" httpUri="https://zenodo.org/record/4651130/files/figure.png" pageId="32" pageNumber="593" startId="32.[114,125,1657,1674]" targetBox="[116,1204,220,1600]" targetPageId="32">
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<paragraph id="DD1D36D5C15EFF85FFB6740EFF6C03CE" blockId="32.[114,1210,1657,1696]" pageId="32" pageNumber="593">
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FIG. 24. — Skull of
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<taxonomicName id="1AA24D56C15EFF85FEC8740EFE0503E4" authority="Bianucci & Lambert & Post, 2007" authorityName="Bianucci & Lambert & Post" authorityYear="2007" box="[268,443,1657,1674]" class="Mammalia" family="Ziphiidae" genus="Xhosacetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="32" pageNumber="593" phylum="Chordata" rank="species" species="hendeysi" status="n. gen., n. sp.">
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<emphasis id="EFD6EAC7C15EFF85FEC8740EFE0503E4" box="[268,443,1657,1674]" italics="true" pageId="32" pageNumber="593">Xhosacetus hendeysi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="F4E557BCC15EFF85FE04740EFD8F03E4" box="[448,561,1657,1674]" pageId="32" pageNumber="593" rank="species">n. gen., n. sp.</taxonomicNameLabel>
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(SAM PQ 2082, holotype):
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<emphasis id="EFD6EAC7C15EFF85FCCA740EFCA503E4" bold="true" box="[782,795,1657,1674]" pageId="32" pageNumber="593">A</emphasis>
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, dorsal view;
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<emphasis id="EFD6EAC7C15EFF85FC48740EFC2703E4" bold="true" box="[908,921,1657,1674]" pageId="32" pageNumber="593">B</emphasis>
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, lateral view;
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<emphasis id="EFD6EAC7C15EFF85FBCD740EFBA903E4" bold="true" box="[1033,1047,1657,1674]" pageId="32" pageNumber="593">C</emphasis>
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, ventral view. Scale bar: 10 cm.
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</paragraph>
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</caption>
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<caption id="89DD665DC15FFF84FFB5718EFC01014F" ID-DOI="http://doi.org/10.5281/zenodo.4651132" ID-Zenodo-Dep="4651132" httpUri="https://zenodo.org/record/4651132/files/figure.png" pageId="33" pageNumber="594" startId="33.[113,124,1017,1034]" targetBox="[120,1189,216,972]" targetPageId="33">
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<paragraph id="DD1D36D5C15FFF84FFB5718EFC01014F" blockId="33.[113,1210,1017,1057]" pageId="33" pageNumber="594">
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FIG. 25. — Skull of
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<taxonomicName id="1AA24D56C15FFF84FEC8718EFE050164" authority="Bianucci & Lambert & Post, 2007" authorityName="Bianucci & Lambert & Post" authorityYear="2007" box="[268,443,1017,1034]" class="Mammalia" family="Ziphiidae" genus="Xhosacetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="33" pageNumber="594" phylum="Chordata" rank="species" species="hendeysi" status="n. gen., n. sp.">
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<emphasis id="EFD6EAC7C15FFF84FEC8718EFE050164" box="[268,443,1017,1034]" italics="true" pageId="33" pageNumber="594">Xhosacetus hendeysi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="F4E557BCC15FFF84FE7B718EFD8F0164" box="[447,561,1017,1034]" pageId="33" pageNumber="594" rank="species">n. gen., n. sp.</taxonomicNameLabel>
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(SAM PQ 2082,holotype):
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<emphasis id="EFD6EAC7C15FFF84FCCA718EFCA50164" bold="true" box="[782,795,1017,1034]" pageId="33" pageNumber="594">A</emphasis>
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, detail of the vertex in dorsal view;
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<emphasis id="EFD6EAC7C15FFF84FBF8718EFBF70164" bold="true" box="[1084,1097,1017,1034]" pageId="33" pageNumber="594">B</emphasis>
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, corresponding line drawing;
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<emphasis id="EFD6EAC7C15FFF84FF3B7667FEB3014F" bold="true" box="[255,269,1040,1057]" pageId="33" pageNumber="594">C</emphasis>
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, anterior view;
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<emphasis id="EFD6EAC7C15FFF84FE487667FE24014F" bold="true" box="[396,410,1040,1057]" pageId="33" pageNumber="594">D</emphasis>
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, corresponding line drawing. Scale bars: A, B, 5 cm; C, D, 10 cm.
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</paragraph>
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</caption>
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<subSubSection id="95B8655EC15FFF87FFB5775AFEDC07A3" lastPageId="34" lastPageNumber="595" pageId="33" pageNumber="594" type="description">
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<paragraph id="DD1D36D5C15FFF84FFB5775AFE410026" blockId="33.[113,648,1325,1700]" box="[113,511,1325,1352]" pageId="33" pageNumber="594">
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DESCRIPTION (
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<figureCitation id="45992A50C15FFF84FED57759FED60026" box="[273,360,1326,1352]" captionStart="FIG" captionStartId="32.[114,125,1657,1674]" captionTargetBox="[116,1204,220,1600]" captionTargetId="figure-22@32.[104,1193,237,1605]" captionTargetPageId="32" captionText="FIG. 24. — Skull of Xhosacetus hendeysi n. gen., n. sp. (SAM PQ 2082, holotype):A, dorsal view; B, lateral view; C, ventral view. Scale bar: 10 cm." figureDoi="http://doi.org/10.5281/zenodo.4651130" httpUri="https://zenodo.org/record/4651130/files/figure.png" pageId="33" pageNumber="594">FIGS 24</figureCitation>
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;
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<figureCitation id="45992A50C15FFF84FEB07759FE2C0026" box="[372,402,1326,1352]" captionStart="FIG" captionStartId="33.[113,124,1017,1034]" captionTargetBox="[120,1189,216,972]" captionTargetId="figure-18@33.[117,1204,213,994]" captionTargetPageId="33" captionText="FIG. 25. — Skull of Xhosacetus hendeysi n. gen., n. sp. (SAM PQ 2082,holotype):A, detail of the vertex in dorsal view; B, corresponding line drawing; C, anterior view; D, corresponding line drawing. Scale bars: A, B, 5 cm; C, D, 10 cm." figureDoi="http://doi.org/10.5281/zenodo.4651132" httpUri="https://zenodo.org/record/4651132/files/figure.png" pageId="33" pageNumber="594">25</figureCitation>
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;
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<tableCitation id="9020036EC15FFF84FE58775AFE480026" box="[412,502,1325,1352]" captionStart="TABLE" captionStartId="54.[113,122,220,237]" captionText="TABLE 5. — Measurements (in mm) on the skulls of Ziphiidae incertae sedis from the Neogene of South Africa. Abbreviations: e, estimate; +, nearly complete; -, no data." pageId="33" pageNumber="594">TABLE 5</tableCitation>
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)
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</paragraph>
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<paragraph id="DD1D36D5C15FFF84FFB5773BFDB5030A" blockId="33.[113,648,1325,1700]" pageId="33" pageNumber="594">
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The anterior part of the rostrum is not complete; it might have originally measured
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<quantity id="1A5A9B30C15FFF84FE3E771BFDE100E9" box="[506,607,1388,1415]" metricMagnitude="-1" metricUnit="m" metricValue="5.0" pageId="33" pageNumber="594" unit="mm" value="500.0">500 mm</quantity>
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; its preserved part is higher than wide. The surface of the premaxilla is nearly vertical anteriorly. The widening of the rostrum posteriorly is progressive up to the faint prominental notch, followed by an abrupt divergence towards the antorbital notch. The shallow alveolar groove has slightly depressed areas interpreted as remains of alveoli.
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</paragraph>
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<paragraph id="DD1D36D5C15FFF84FF4C741EFC8B0069" blockId="33.[113,648,1325,1700]" lastBlockId="33.[677,1210,1103,1699]" pageId="33" pageNumber="594">The vomer completely fills the mesorostral groove and its height in the groove decreases anteriorly. A deep sulcus separates the thickened vomer from the premaxilla laterally for its whole length. At the rostrum base, a median suture between the two walls of the vomer joins the anterior point of the ossified mesethmoid, at the level of the prominental notch.</paragraph>
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<paragraph id="DD1D36D5C15FFF84FD7F777AFCA300AB" blockId="33.[677,1210,1103,1699]" pageId="33" pageNumber="594">The premaxillary foramen is located just posterior to the shallow antorbital notch. The concave premaxillary sac fossae are weakly asymmetric. In anterior view a distinct constriction marks the lateral margin of the ascending process of the premaxilla.</paragraph>
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<paragraph id="DD1D36D5C15FFF84FD7F77BCFC3E03CD" blockId="33.[677,1210,1103,1699]" pageId="33" pageNumber="594">A sharp maxillary crest separates the large maxillary foramen from the antorbital notch. The lateral slope of the crest, leading to the laterally developed preorbital process, is weaker than the median slope. The left crest is more robust. The lacrimal bears a prominent knob-like anterolateral projection.</paragraph>
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<paragraph id="DD1D36D5C15CFF87FF4C72AFFEDC07A3" blockId="34.[113,647,216,717]" pageId="34" pageNumber="595">The vertex is moderately elevated and the dorsal part of the ascending process of the premaxilla is vertical. The premaxillary crest is moderately thickened and transversely oriented, slightly overhanging the premaxillary sac fossa on the right side. The posterior projection of the premaxilla along the nasal contacts the frontal on both sides. The nasals are large, as wide as long, with roughly parallel lateral margins. The right nasal is somewhat wider and longer than the left nasal. The dorsal surface of the nasals is slightly sloping without an anteromedian depression; the anterior margin is excavated by a vertical groove and the anterolateral corner forms only a small part of the premaxillary crest. The frontal was originally probably much shorter than the nasal.</paragraph>
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</subSubSection>
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</treatment>
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</document> |