217 lines
28 KiB
XML
217 lines
28 KiB
XML
<document id="9FE9906F4D1255B1E883FD55AE6AF1CD" ID-DOI="10.26879/1235" ID-ISSN="1094-8074" ID-Zenodo-Dep="11063353" IM.illustrations_approvedBy="julia" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="julia" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="julia" checkinTime="1714014950273" checkinUser="felipe" docAuthor="Rule, James P. & Fitzgerald, Erich M. G." docDate="2022" docId="03DF87A1E117E503FEA0F8EEFEE7F8BD" docLanguage="en" docName="PalaeontolElectron.25.3.a32.pdf" docOrigin="Palaeontologia Electronica (a 32) 25 (3)" docSource="http://dx.doi.org/10.26879/1235" docStyle="DocumentStyle:322FC57CC99045555090E8A84CFB029A.4:PalaeontolElectron.2018-.journal_article" docStyleId="322FC57CC99045555090E8A84CFB029A" docStyleName="PalaeontolElectron.2018-.journal_article" docStyleVersion="4" docTitle="Monachinae Gray 1869" docType="treatment" docVersion="3" lastPageNumber="6" masterDocId="FFE6FFD9E113E506FFAFFFF1FF80FFFF" masterDocTitle="Pinniped (Mammalia: Carnivora) fossils from Black Rock, a new late Neogene vertebrate locality in Victoria, Australia" masterLastPageNumber="12" masterPageNumber="1" pageNumber="5" updateTime="1714681245990" updateUser="julia" zenodo-license-document="CC-BY-NC-SA-4.0">
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<mods:titleInfo id="AF7272F4FEE32DF39AA480A817B4232E">
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<mods:title id="5A1EEDF216B6E2DBA42E454C78C87211">Pinniped (Mammalia: Carnivora) fossils from Black Rock, a new late Neogene vertebrate locality in Victoria, Australia</mods:title>
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<mods:name id="3C7BA54F6E08F44D8FA9802F6FF10825" type="personal">
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<mods:namePart id="55AB56E8DBCF0090D4A0F1713868C1C1">Rule, James P.</mods:namePart>
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<mods:name id="B448DDA327D912E73E44CFF85FDDD261" type="personal">
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<mods:roleTerm id="0D1E1F3B36546DFF18B71E048FC97B96">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="A0867AA489C54B5C56F861CAB16C4851">Fitzgerald, Erich M. G.</mods:namePart>
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<mods:typeOfResource id="7C04C6A1F153120AAD2AA105A93EA631">text</mods:typeOfResource>
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<mods:title id="16FE4EE9D4D985403873194058F3E824">Palaeontologia Electronica</mods:title>
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</mods:titleInfo>
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<mods:part id="5C4F32FE65E02F78334729EFCCD14D7C">
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<mods:date id="DE64149CB849F2459979C709F2F6D30F">2022</mods:date>
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<mods:detail id="1BFB15EFA62DCE8060823BA7224B3EF1" type="series">
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<mods:title id="270DCCC93AD1810AD25BF2AAD5AA6300">a 32</mods:title>
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<mods:detail id="5D4FE77CEBB0021190DFC73F3FC61E64" type="volume">
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<mods:number id="6DDF8A1814A553D7CD948440AF82063B">25</mods:number>
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<mods:detail id="89F4B609398364015766EF5CC3A748CF" type="issue">
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<mods:number id="BFABB5FCB2E044F31501A93F844FC4CF">3</mods:number>
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<mods:start id="7C8FFBD02261495778844E8B2E1D016E">1</mods:start>
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<mods:location id="F52C6B2F9A902645D7B5820909415760">
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<mods:url id="F83B5899A9BB761828830C2622A281C8">http://dx.doi.org/10.26879/1235</mods:url>
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<mods:classification id="FEAB2A998D1CFAC5FBA7A4B9009A26A3">journal article</mods:classification>
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<mods:identifier id="85B10ED45F65C46D831396A35118A654" type="DOI">10.26879/1235</mods:identifier>
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<mods:identifier id="DA9C53565FAE5DFEADC396546F099F29" type="ISSN">1094-8074</mods:identifier>
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<mods:identifier id="CE7B182791B0BBC21CBC79D14E5193BE" type="Zenodo-Dep">11063353</mods:identifier>
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</mods:mods>
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<treatment id="03DF87A1E117E503FEA0F8EEFEE7F8BD" LSID="urn:lsid:plazi:treatment:03DF87A1E117E503FEA0F8EEFEE7F8BD" httpUri="http://treatment.plazi.org/id/03DF87A1E117E503FEA0F8EEFEE7F8BD" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
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<subSubSection id="C36C653CE117E502FEA0F8EEFBA2FB2C" pageId="4" pageNumber="5" type="nomenclature">
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<paragraph id="8BC936B7E117E502FEA0F8EEFD49F8C6" blockId="4.[271,713,1791,1849]" box="[271,713,1823,1849]" pageId="4" pageNumber="5">
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<heading id="D08181DBE117E502FEA0F8EEFD49F8C6" box="[271,713,1823,1849]" centered="true" fontSize="10" level="2" pageId="4" pageNumber="5" reason="3">
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Subfamily
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<taxonomicName id="4C764D34E117E502FE24F8EEFD49F8C6" authority="Gray, 1869" authorityName="Gray" authorityYear="1869" box="[395,713,1823,1849]" class="Mammalia" family="Phocidae" kingdom="Animalia" order="Carnivora" pageId="4" pageNumber="5" phylum="Chordata" rank="subFamily" subFamily="Monachinae">MONACHINAE Gray, 1869</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8BC936B7E117E502FCE7FB8BFBA2FB2C" blockId="4.[840,1441,1146,1907]" pageId="4" pageNumber="5">
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<emphasis id="B902EAA5E117E502FCE7FB8BFBC5FB6C" bold="true" box="[840,1093,1146,1171]" pageId="4" pageNumber="5">Referred specimen.</emphasis>
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<collectionCode id="ED67AE72E117E502FBFDFB8BFB0DFB6C" box="[1106,1165,1146,1171]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="4" pageNumber="5" type="Museum">NMV</collectionCode>
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P254995, a fragmentary right mandible collected by B.S.J. Francischelli in 2019 (
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<figureCitation id="134D2A32E117E502FC02FB4BFB95FB2C" box="[941,1045,1210,1235]" captionStart="FIGURE 2" captionStartId="4.[196,287,1010,1033]" captionTargetBox="[217,1424,180,970]" captionTargetId="figure-327@4.[194,1441,164,994]" captionTargetPageId="4" captionText="FIGURE 2. The Black Rock phocid specimens. NMV P254995, right mandible in A) lateral, B) medial, C) dorsal, D) ventral, E) annotated lateral, and F) annotated dorsal views. NMV P254178, phalanx in, G) side, H) ventral, I) opposing side, and J) dorsal views. Scale bar equals 20 mm." figureDoi="http://doi.org/10.5281/zenodo.11063357" httpUri="https://zenodo.org/record/11063357/files/figure.png" pageId="4" pageNumber="5">Figure 2</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="C36C653CE117E502FCE7FB2BFB43FA0C" pageId="4" pageNumber="5" type="diagnosis">
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<paragraph id="8BC936B7E117E502FCE7FB2BFB43FA0C" blockId="4.[840,1441,1146,1907]" pageId="4" pageNumber="5">
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<emphasis id="B902EAA5E117E502FCE7FB2BFC4EFB0C" bold="true" box="[840,974,1242,1267]" pageId="4" pageNumber="5">Diagnosis.</emphasis>
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A fragmentary right mandible based on the position of the masseteric fossa. Referred to
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<taxonomicName id="4C764D34E117E502FCE7FAEBFC44FACC" authorityName="Illiger" authorityYear="1811" box="[840,964,1306,1331]" class="Mammalia" kingdom="Animalia" order="Carnivora" pageId="4" pageNumber="5" phylum="Chordata" rank="subOrder" subOrder="Pinnipedia">Pinnipedia</taxonomicName>
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based on a transversely flattened mandibular body, and a coronoid crest that does not ascend vertically from the toothrow. Referred to
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<taxonomicName id="4C764D34E117E502FCE7FA8BFC37FA6C" authorityName="Gray" authorityYear="1821" box="[840,951,1402,1427]" class="Mammalia" family="Phocidae" kingdom="Animalia" order="Carnivora" pageId="4" pageNumber="5" phylum="Chordata" rank="family">Phocidae</taxonomicName>
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based on a double rooted m1 with clearly separated anterior and posterior alveoli. Referred to
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<taxonomicName id="4C764D34E117E502FCC7FA4BFC79FA2C" authorityName="Gray" authorityYear="1869" box="[872,1017,1466,1491]" class="Mammalia" family="Phocidae" kingdom="Animalia" order="Carnivora" pageId="4" pageNumber="5" phylum="Chordata" rank="subFamily" subFamily="Monachinae">Monachinae</taxonomicName>
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based on a shallow coronoid crest that ascends below a 45° angle.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36C653CE117E503FCE7FA0BFEE7F8BD" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5" type="description">
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<paragraph id="8BC936B7E117E503FCE7FA0BFDFDFE1D" blockId="4.[840,1441,1146,1907]" lastBlockId="5.[192,793,169,1858]" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
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<emphasis id="B902EAA5E117E502FCE7FA0BFC62F9EC" bold="true" box="[840,994,1530,1555]" pageId="4" pageNumber="5">Description.</emphasis>
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<collectionCode id="ED67AE72E117E502FC42FA0BFBA8F9EC" box="[1005,1064,1530,1555]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="4" pageNumber="5" type="Museum">NMV</collectionCode>
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P254995 is missing the proximal portion of the mandible, including the articular surface and a portion of the coronoid crest, and the distal portion from the p4 onwards. The body of the mandible is thick (
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<quantity id="4C8E9B52E117E502FB81F98BFB09F96C" box="[1070,1161,1658,1683]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" pageId="4" pageNumber="5" unit="mm" value="12.0">12 mm</quantity>
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) compared to the low height (
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<quantity id="4C8E9B52E117E502FC0AF96BFB84F94C" box="[933,1028,1690,1715]" metricMagnitude="-2" metricUnit="m" metricValue="2.3" pageId="4" pageNumber="5" unit="mm" value="23.0">23 mm</quantity>
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), making the medial-lateral thickness roughly half of the dorsal-ventral length. The medial surface of the body is flat compared to the lateral surface, which is slightly dorso-ventrally curved (
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<figureCitation id="134D2A32E117E502FC05F8EBFBABF8CB" box="[938,1067,1818,1844]" captionStart="FIGURE 2" captionStartId="4.[196,287,1010,1033]" captionTargetBox="[217,1424,180,970]" captionTargetId="figure-327@4.[194,1441,164,994]" captionTargetPageId="4" captionText="FIGURE 2. The Black Rock phocid specimens. NMV P254995, right mandible in A) lateral, B) medial, C) dorsal, D) ventral, E) annotated lateral, and F) annotated dorsal views. NMV P254178, phalanx in, G) side, H) ventral, I) opposing side, and J) dorsal views. Scale bar equals 20 mm." figureDoi="http://doi.org/10.5281/zenodo.11063357" httpUri="https://zenodo.org/record/11063357/files/figure.png" pageId="4" pageNumber="5">Figure 2C</figureCitation>
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). While the preserved body of the mandible is antero-posteriorly straight, the coronoid crest curves medially. The masseteric fossa is shallow (
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<figureCitation id="134D2A32E116E503FEEEFF58FE3BFF3D" box="[321,443,169,194]" captionStart="FIGURE 2" captionStartId="4.[196,287,1010,1033]" captionTargetBox="[217,1424,180,970]" captionTargetId="figure-327@4.[194,1441,164,994]" captionTargetPageId="4" captionText="FIGURE 2. The Black Rock phocid specimens. NMV P254995, right mandible in A) lateral, B) medial, C) dorsal, D) ventral, E) annotated lateral, and F) annotated dorsal views. NMV P254178, phalanx in, G) side, H) ventral, I) opposing side, and J) dorsal views. Scale bar equals 20 mm." figureDoi="http://doi.org/10.5281/zenodo.11063357" httpUri="https://zenodo.org/record/11063357/files/figure.png" pageId="5" pageNumber="6">Figure 2E</figureCitation>
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), and barely visible on the lateral surface of the coronoid. The coronoid crest ascends shallowly from the toothrow (<45°), with a short space separating the crest from the posterior margin of the toothrow. Both alveoli of the m1 and the preserved posterior alveolus of the p4 are round, with the p4 alveolus slightly larger than the m1 (
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<figureCitation id="134D2A32E116E503FF5DFE78FEEBFE5D" box="[242,363,393,418]" captionStart="FIGURE 2" captionStartId="4.[196,287,1010,1033]" captionTargetBox="[217,1424,180,970]" captionTargetId="figure-327@4.[194,1441,164,994]" captionTargetPageId="4" captionText="FIGURE 2. The Black Rock phocid specimens. NMV P254995, right mandible in A) lateral, B) medial, C) dorsal, D) ventral, E) annotated lateral, and F) annotated dorsal views. NMV P254178, phalanx in, G) side, H) ventral, I) opposing side, and J) dorsal views. Scale bar equals 20 mm." figureDoi="http://doi.org/10.5281/zenodo.11063357" httpUri="https://zenodo.org/record/11063357/files/figure.png" pageId="5" pageNumber="6">Figure 2F</figureCitation>
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). A short diastema separates the m1 and p4. The posterior portion of the anterior alveolus of the p4 is preserved (
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<figureCitation id="134D2A32E116E503FE57FE38FDF1FE1D" box="[504,625,457,482]" captionStart="FIGURE 2" captionStartId="4.[196,287,1010,1033]" captionTargetBox="[217,1424,180,970]" captionTargetId="figure-327@4.[194,1441,164,994]" captionTargetPageId="4" captionText="FIGURE 2. The Black Rock phocid specimens. NMV P254995, right mandible in A) lateral, B) medial, C) dorsal, D) ventral, E) annotated lateral, and F) annotated dorsal views. NMV P254178, phalanx in, G) side, H) ventral, I) opposing side, and J) dorsal views. Scale bar equals 20 mm." figureDoi="http://doi.org/10.5281/zenodo.11063357" httpUri="https://zenodo.org/record/11063357/files/figure.png" pageId="5" pageNumber="6">Figure 2F</figureCitation>
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).
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</paragraph>
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<paragraph id="8BC936B7E116E503FF6FFE19FD3CFC9D" blockId="5.[192,793,169,1858]" pageId="5" pageNumber="6">
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<emphasis id="B902EAA5E116E503FF6FFE19FEE2FDFD" bold="true" box="[192,354,488,514]" pageId="5" pageNumber="6">Comparison.</emphasis>
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The shallow coronoid crest of
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<collectionCode id="ED67AE72E116E503FD72FE18FC98FDFD" box="[733,792,489,514]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
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P254995 is similar to that condition seen in
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<emphasis id="B902EAA5E116E503FD71FDF8FDCDFDBD" italics="true" pageId="5" pageNumber="6">
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<taxonomicName id="4C764D34E116E503FD71FDF8FEBEFDBD" class="Mammalia" family="Phocidae" genus="Neomonachus" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Neomonachus</taxonomicName>
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,
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<taxonomicName id="4C764D34E116E503FEE6FDD8FE3BFDBD" authorityName="Gray" authorityYear="1827" box="[329,443,553,578]" class="Mammalia" family="Phocidae" genus="Mirounga" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Mirounga</taxonomicName>
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,
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<taxonomicName id="4C764D34E116E503FE69FDD8FDC8FDBD" authorityName="de Muizon" authorityYear="1981" box="[454,584,553,578]" class="Mammalia" family="Phocidae" genus="Acrophoca" higherTaxonomySource="GBIF" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Acrophoca</taxonomicName>
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,
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</emphasis>
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and Lobodontini, and is therefore mostly consistent with
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<taxonomicName id="4C764D34E116E503FD28FDB8FC98FD9D" authorityName="Gray" authorityYear="1869" box="[647,792,585,610]" class="Mammalia" family="Phocidae" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="5" phylum="Chordata" rank="subFamily" subFamily="Monachinae">Monachinae</taxonomicName>
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(Phocinae have a steep coronoid crest). The only exceptions are
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<emphasis id="B902EAA5E116E503FE0FFD78FEACFD3D" italics="true" pageId="5" pageNumber="6">
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<taxonomicName id="4C764D34E116E503FE0FFD78FD9EFD5D" authorityName="Fleming" authorityYear="1822" box="[416,542,649,674]" class="Mammalia" family="Phocidae" genus="Monachus" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Monachus</taxonomicName>
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,
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<taxonomicName id="4C764D34E116E503FD90FD78FD49FD5D" authorityName="de Muizon & Hendey" authorityYear="1980" box="[575,713,649,674]" class="Mammalia" family="Phocidae" genus="Homiphoca" higherTaxonomySource="GBIF" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Homiphoca</taxonomicName>
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,
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<taxonomicName id="4C764D34E116E503FD45FD78FEA8FD3D" authorityName="de Muizon" authorityYear="1981" class="Mammalia" family="Phocidae" genus="Piscophoca" higherTaxonomySource="GBIF" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Piscophoca</taxonomicName>
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,
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</emphasis>
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and
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<taxonomicName id="4C764D34E116E503FEDDFD58FE73FD3D" authorityName="Amson & de Muizon" authorityYear="2013" box="[370,499,681,706]" class="Mammalia" family="Phocidae" genus="Hadrokirus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">
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<emphasis id="B902EAA5E116E503FEDDFD58FE73FD3D" box="[370,499,681,706]" italics="true" pageId="5" pageNumber="6">Hadrokirus</emphasis>
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</taxonomicName>
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. The toothrow is separated from the coronoid crest by a short space (less than twice the length of the m1), similar to the monachines
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<emphasis id="B902EAA5E116E503FEF3FCF8FD5FFCDD" box="[348,735,777,802]" italics="true" pageId="5" pageNumber="6">
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<taxonomicName id="4C764D34E116E503FEF3FCF8FE46FCDD" authorityName="Gray" authorityYear="1844" box="[348,454,777,802]" class="Mammalia" family="Phocidae" genus="Lobodon" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Lobodon</taxonomicName>
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,
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<taxonomicName id="4C764D34E116E503FE79FCF8FDC7FCDD" authorityName="Gistel" authorityYear="1848" box="[470,583,777,802]" class="Mammalia" family="Phocidae" genus="Hydrurga" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Hydrurga</taxonomicName>
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,
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<taxonomicName id="4C764D34E116E503FDF8FCF8FD5BFCDD" authorityName="Amson & de Muizon" authorityYear="2013" box="[599,731,777,802]" class="Mammalia" family="Phocidae" genus="Hadrokirus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Hadrokirus</taxonomicName>
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,
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</emphasis>
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and tribe
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<taxonomicName id="4C764D34E116E503FEAFFCD8FEFEFCBD" box="[256,382,809,834]" class="Mammalia" family="Phocidae" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="tribe" tribe="Monachini">Monachini</taxonomicName>
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; and similar to phocines such as
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<emphasis id="B902EAA5E116E503FF6FFCB8FDBDFC9D" box="[192,573,841,866]" italics="true" pageId="5" pageNumber="6">
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<taxonomicName id="4C764D34E116E503FF6FFCB8FEC2FC9D" authorityName="Gill" authorityYear="1866" box="[192,322,841,866]" class="Mammalia" family="Phocidae" genus="Erignathus" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Erignathus</taxonomicName>
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,
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<taxonomicName id="4C764D34E116E503FEE1FCB8FE5EFC9D" authorityName="Nilsson" authorityYear="1820" box="[334,478,841,866]" class="Mammalia" family="Phocidae" genus="Halichoerus" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Halichoerus</taxonomicName>
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,
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<taxonomicName id="4C764D34E116E503FE45FCB8FDB8FC9D" authorityName="Linnaeus" authorityYear="1758" box="[490,568,841,866]" class="Mammalia" family="Phocidae" genus="Phoca" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Phoca</taxonomicName>
|
|
,
|
|
</emphasis>
|
|
and
|
|
<taxonomicName id="4C764D34E116E503FDD7FCB8FD35FC9D" authorityName="Scopoli" authorityYear="1771" box="[632,693,841,866]" class="Mammalia" family="Phocidae" genus="Pusa" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">
|
|
<emphasis id="B902EAA5E116E503FDD7FCB8FD35FC9D" box="[632,693,841,866]" italics="true" pageId="5" pageNumber="6">Pusa</emphasis>
|
|
</taxonomicName>
|
|
.
|
|
</paragraph>
|
|
<paragraph id="8BC936B7E116E503FF55FC98FC97FB1D" blockId="5.[192,793,169,1858]" pageId="5" pageNumber="6">
|
|
The body of the mandible
|
|
<collectionCode id="ED67AE72E116E503FDCEFC98FD1CFC7D" box="[609,668,873,898]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P254995 below the toothrow is thick, similar to
|
|
<taxonomicName id="4C764D34E116E503FD30FC78FC98FC5D" box="[671,792,905,930]" class="Mammalia" family="Phocidae" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="tribe" tribe="Monachini">Monachini</taxonomicName>
|
|
and
|
|
<taxonomicName id="4C764D34E116E503FF58FC58FEF8FC3D" authorityName="Amson & de Muizon" authorityYear="2013" box="[247,376,937,962]" class="Mammalia" family="Phocidae" genus="Hadrokirus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">
|
|
<emphasis id="B902EAA5E116E503FF58FC58FEF8FC3D" box="[247,376,937,962]" italics="true" pageId="5" pageNumber="6">Hadrokirus</emphasis>
|
|
</taxonomicName>
|
|
. All other phocids, including other monachines, have either thin mandibles below the toothrow (width less than half the height), or mandibles that grade from thin posteriorly to thick anteriorly. While most phocids have a mandible that is fairly straight antero-posteriorly,
|
|
<collectionCode id="ED67AE72E116E503FD95FBB8FDF5FB9D" box="[570,629,1097,1122]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P254995 has a slightly curved mandible similar to
|
|
<emphasis id="B902EAA5E116E503FD06FB99FE54FB5D" italics="true" pageId="5" pageNumber="6">
|
|
<taxonomicName id="4C764D34E116E503FD06FB99FE8CFB5D" authorityName="Gray" authorityYear="1844" class="Mammalia" family="Phocidae" genus="Ommatophoca" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Ommatophoca</taxonomicName>
|
|
,
|
|
<taxonomicName id="4C764D34E116E503FE8EFB78FE50FB5D" box="[289,464,1161,1186]" class="Mammalia" family="Phocidae" genus="Neomonachus" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">Neomonachus</taxonomicName>
|
|
,
|
|
</emphasis>
|
|
and
|
|
<taxonomicName id="4C764D34E116E503FD8BFB78FD23FB5D" authorityName="Gill" authorityYear="1866" box="[548,675,1161,1186]" class="Mammalia" family="Phocidae" genus="Erignathus" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">
|
|
<emphasis id="B902EAA5E116E503FD8BFB78FD23FB5D" box="[548,675,1161,1186]" italics="true" pageId="5" pageNumber="6">Erignathus</emphasis>
|
|
</taxonomicName>
|
|
. Overall, the preserved morphology of
|
|
<collectionCode id="ED67AE72E116E503FD81FB58FDE9FB3D" box="[558,617,1193,1218]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P254995 has the most similarities with the genus
|
|
<taxonomicName id="4C764D34E116E503FDCAFB38FC91FB1D" box="[613,785,1225,1250]" class="Mammalia" family="Phocidae" genus="Neomonachus" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="genus">
|
|
<emphasis id="B902EAA5E116E503FDCAFB38FC91FB1D" box="[613,785,1225,1250]" italics="true" pageId="5" pageNumber="6">Neomonachus</emphasis>
|
|
</taxonomicName>
|
|
.
|
|
</paragraph>
|
|
<paragraph id="8BC936B7E116E503FF55FB18FEE7F8BD" blockId="5.[192,793,169,1858]" pageId="5" pageNumber="6">
|
|
Two other fragmentary fossil pinniped mandibles are known from
|
|
<collectingCountry id="F3617627E116E503FE4FFAF8FDCCFADD" box="[480,588,1289,1314]" name="Australia" pageId="5" pageNumber="6">Australia</collectingCountry>
|
|
:
|
|
<collectionCode id="ED67AE72E116E503FDCEFAF8FD1CFADD" box="[609,668,1289,1314]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P251642 (Beaumaris: Rule et al., 2020b) and
|
|
<collectionCode id="ED67AE72E116E503FDC4FAD8FD26FABD" box="[619,678,1321,1346]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P218465 (Portland: Fitzgerald, 2005). The shallow coronoid crest and round profile of the posterior m1 alveolus of
|
|
<collectionCode id="ED67AE72E116E503FF72FA78FE98FA5D" box="[221,280,1417,1442]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P254995 is shared with
|
|
<collectionCode id="ED67AE72E116E503FD97FA78FDF3FA5D" box="[568,627,1417,1442]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P251642 and
|
|
<collectionCode id="ED67AE72E116E503FF6FFA58FF7BFA3D" box="[192,251,1449,1474]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P218465. Further, several additional characters are shared between
|
|
<collectionCode id="ED67AE72E116E503FE41FA38FDA9FA1D" box="[494,553,1481,1506]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P254995 and
|
|
<collectionCode id="ED67AE72E116E503FD72FA38FC98FA1D" box="[733,792,1481,1506]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P218465: a posterior p4 alveolus larger than both m1 alveoli (also in common with other phocids), and an m1 alveoli at a slightly imbricated angle compared to the p4 alveoli. There are no discernible differences between
|
|
<collectionCode id="ED67AE72E116E503FDA6F998FDC4F97D" box="[521,580,1641,1666]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P254995,
|
|
<collectionCode id="ED67AE72E116E503FD72F998FC98F97D" box="[733,792,1641,1666]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P251642, and
|
|
<collectionCode id="ED67AE72E116E503FE29F978FE41F95D" box="[390,449,1673,1698]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P218465. The similarities between
|
|
<collectionCode id="ED67AE72E116E503FE9CF958FEEEF93D" box="[307,366,1705,1730]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P254995 and
|
|
<collectionCode id="ED67AE72E116E503FD80F958FDEAF93D" box="[559,618,1705,1730]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P218465 are enough to confidently revise the identification of
|
|
<collectionCode id="ED67AE72E116E503FF6FF918FF7BF8FD" box="[192,251,1769,1794]" country="Australia" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34978" lsid="urn:lsid:biocol.org:col:34978" name="Museum Victoria" pageId="5" pageNumber="6" type="Museum">NMV</collectionCode>
|
|
P218465 to
|
|
<taxonomicName id="4C764D34E116E503FE31F918FD8DF8FD" authorityName="Gray" authorityYear="1821" box="[414,525,1769,1794]" class="Mammalia" family="Phocidae" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="family">Phocidae</taxonomicName>
|
|
cf.
|
|
<taxonomicName id="4C764D34E116E503FDEFF918FD56F8FD" authorityName="Gray" authorityYear="1869" box="[576,726,1769,1794]" class="Mammalia" family="Phocidae" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="5" phylum="Chordata" rank="subFamily" subFamily="Monachinae">Monachinae</taxonomicName>
|
|
, confirming the tentative diagnosis of
|
|
<taxonomicName id="4C764D34E116E503FDE2F8F8FD3CF8DD" authorityName="Gray" authorityYear="1821" box="[589,700,1801,1826]" class="Mammalia" family="Phocidae" kingdom="Animalia" order="Carnivora" pageId="5" pageNumber="6" phylum="Chordata" rank="family">Phocidae</taxonomicName>
|
|
of Fitzgerald (2005).
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |