255 lines
31 KiB
XML
255 lines
31 KiB
XML
<document id="055646F6B3A2276CF6EB72A3091184D4" ID-DOI="10.5252/g2017n1a1" ID-ISSN="1638-9395" ID-Zenodo-Dep="4535622" ID-ZooBank="urn:lsid:zoobank.org:pub:40D6C996-226D-49BF-8BF2-E07050BE9035" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1613061168347" checkinUser="felipe" docAuthor="Martínez-Cáceres, Manuel, Lambert, Olivier & Muizon, Christian de" docDate="2017" docId="03AA8455800BFFB18A95FAC910BFF93D" docLanguage="en" docName="Geodiversitas.39.1.7-163.pdf" docOrigin="Geodiversitas 39 (1)" docSource="http://dx.doi.org/10.5252/g2017n1a1" docStyle="DocumentStyle:4DA100580BA89F561A6D37CADC50A8FD.3:Geodiversitas.2015-2017.journal_article.type2" docStyleId="4DA100580BA89F561A6D37CADC50A8FD" docStyleName="Geodiversitas.2015-2017.journal_article.type2" docStyleVersion="3" docTitle="Masracetus markgrafi Gingerich 2007" docType="treatment" docVersion="4" lastPageNumber="15" masterDocId="FF93FC2D8003FFB98A60FFBA1534FFD1" masterDocTitle="The anatomy and phylogenetic affinities of Cynthiacetus peruvianus, a large Dorudon-like basilosaurid (Cetacea, Mammalia) from the late Eocene of Peru" masterLastPageNumber="163" masterPageNumber="7" pageNumber="15" updateTime="1698871043285" updateUser="plazi" zenodo-license-document="CC0-1.0" zenodo-license-figures="CC0-1.0">
|
||
<mods:mods id="E5133B0A74B2E3D7A9AD751B78B77D7B" xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo id="1181837B84E88A9ECF37623CD2C44DC9">
|
||
<mods:title id="5F214A32C7CFF382449AD8005E428617">The anatomy and phylogenetic affinities of Cynthiacetus peruvianus, a large Dorudon-like basilosaurid (Cetacea, Mammalia) from the late Eocene of Peru</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name id="ACF12AC834A3F3CFF19EFCC830E409EF" type="personal">
|
||
<mods:role id="233A93A584FA9BB563D4F878164FE745">
|
||
<mods:roleTerm id="807FFFB020A2C2EEC33CB8528CE6905B">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="2661378116974079E4FEDAC38B907F3B">Martínez-Cáceres, Manuel</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="4773E77654231183A3D86269F92B7601" type="personal">
|
||
<mods:role id="EE5B7E06948663CE31299A185BAD035F">
|
||
<mods:roleTerm id="95B6743CB4C3F01FC4C8659D4A31AF15">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="AF9AD83830615199ED1215789A583649">Lambert, Olivier</mods:namePart>
|
||
</mods:name>
|
||
<mods:name id="CAB530188D480F01C3CBB5E916D38BF2" type="personal">
|
||
<mods:role id="FA5A91AB6609DB4F77D6BBE7C9F8E5CB">
|
||
<mods:roleTerm id="C5FE19D093322B0DEED3E4FD8CA3FA7E">Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart id="2BF6C46AAD889C6ABD1D190A96EBB9FB">Muizon, Christian de</mods:namePart>
|
||
</mods:name>
|
||
<mods:typeOfResource id="32840438C431D7FD55CD1F6E454D3521">text</mods:typeOfResource>
|
||
<mods:relatedItem id="196B600DAB4B809F1FAF032622591E45" type="host">
|
||
<mods:titleInfo id="7DA9C932B85E80DB0F4F13C98A18482C">
|
||
<mods:title id="A81454E81BAA84D781878B87E99CCD7E">Geodiversitas</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part id="CEEA81574653B7BB55450488B27D16D8">
|
||
<mods:date id="49983465F6C9EBEFAE58124C973BC9FB">2017</mods:date>
|
||
<mods:detail id="954C313D96142DC05E9085F28AC2C8B9" type="pubDate">
|
||
<mods:number id="900CD78089C8603CAD7F1E8B4A7BCAAB">2017-03-31</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="7F759D6AFFCDEC5D1A93A8D2EFBDC8BF" type="volume">
|
||
<mods:number id="4F4BDC69824CBACDC072DBEC22816639">39</mods:number>
|
||
</mods:detail>
|
||
<mods:detail id="F38335E4535FA8DE33BC93220C9FBEB5" type="issue">
|
||
<mods:number id="007E0C432959697C12A25E991A0D8530">1</mods:number>
|
||
</mods:detail>
|
||
<mods:extent id="5B874A6465C84B37FDFCC78EE7D42C49" unit="page">
|
||
<mods:start id="5CDAFA134A81ACB55FC60E9780C2E420">7</mods:start>
|
||
<mods:end id="DBC3F836015B011236319CE02BFC9695">163</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location id="64976BC48468261115ABDB839F08AECB">
|
||
<mods:url id="479882B195CE7624B790A65059F0652B">http://dx.doi.org/10.5252/g2017n1a1</mods:url>
|
||
</mods:location>
|
||
<mods:classification id="47105E5FFF9870A4B66B19B851817D54">journal article</mods:classification>
|
||
<mods:identifier id="6A20075D45170AC68BF00DB4D0E6DFA9" type="DOI">10.5252/g2017n1a1</mods:identifier>
|
||
<mods:identifier id="E121B65BC8AEBC1F801A29CBA90D3C74" type="ISSN">1638-9395</mods:identifier>
|
||
<mods:identifier id="F788BEB82A2421D1FC192099599EF2CC" type="Zenodo-Dep">4535622</mods:identifier>
|
||
<mods:identifier id="C6B5ED124AD8A3A99EF24B7CDC6AC9B1" type="ZooBank">urn:lsid:zoobank.org:pub:40D6C996-226D-49BF-8BF2-E07050BE9035</mods:identifier>
|
||
</mods:mods>
|
||
<treatment id="03AA8455800BFFB18A95FAC910BFF93D" ID-DOI="http://doi.org/10.5281/zenodo.4535953" ID-Zenodo-Dep="4535953" LSID="urn:lsid:plazi:treatment:03AA8455800BFFB18A95FAC910BFF93D" httpUri="http://treatment.plazi.org/id/03AA8455800BFFB18A95FAC910BFF93D" lastPageNumber="15" pageId="8" pageNumber="15">
|
||
<subSubSection id="C31966C8800BFFB18A95FAC917A3FA5C" box="[245,663,1395,1422]" pageId="8" pageNumber="15" type="nomenclature">
|
||
<paragraph id="8BBC3543800BFFB18A95FAC917A3FA5C" blockId="8.[245,663,1395,1422]" box="[245,663,1395,1422]" pageId="8" pageNumber="15">
|
||
<heading id="D0F4822F800BFFB18A95FAC917A3FA5C" box="[245,663,1395,1422]" centered="true" fontSize="11" level="2" pageId="8" pageNumber="15" reason="2">
|
||
<taxonomicName id="4C034EC0800BFFB18A95FAC917A3FA5C" authority="Gingerich, 2007" authorityName="Gingerich" authorityYear="2007" box="[245,663,1395,1422]" class="Mammalia" family="Basilosauridae" genus="Masracetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="markgrafi">
|
||
<emphasis id="B977E951800BFFB18A95FAC914EBFA5F" bold="true" box="[245,479,1395,1422]" italics="true" pageId="8" pageNumber="15">Masracetus markgrafi</emphasis>
|
||
<bibRefCitation id="EF9248B2800BFFB18B86FAC917A3FA5C" author="GINGERICH P. D." box="[486,663,1395,1421]" pageId="8" pageNumber="15" pagination="363 - 378" refId="ref98592" refString="GINGERICH P. D. 2007. - Stromerius nidensis, new archaeocete (Mammalia, Cetacea) from the upper Eocene Qasr El-Sagha Formation, Fayum, Egypt. Contributions from the Museum of Paleontology, University of Michigan 31 (13): 363 - 378. http: // hdl. handle. net / 2027.42 / 57499" type="journal article" year="2007">Gingerich, 2007</bibRefCitation>
|
||
</taxonomicName>
|
||
</heading>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C31966C8800BFFB18AE4FA0A1754F998" pageId="8" pageNumber="15" type="reference_group">
|
||
<paragraph id="8BBC3543800BFFB18AE4FA0A1713FA19" blockId="8.[132,551,1456,1480]" box="[132,551,1456,1480]" pageId="8" pageNumber="15">
|
||
<treatmentCitationGroup id="AB13126D800BFFB18AE4FA0A1713FA19" box="[132,551,1456,1480]" pageId="8" pageNumber="15">
|
||
<treatmentCitation id="0AA21352800BFFB18AE4FA0A14FDFA19" author="STROMER E." box="[132,457,1456,1480]" page="128" pageId="8" pageNumber="15" year="1908">
|
||
<taxonomicName id="4C034EC0800BFFB18AE4FA0A14FDFA19" authority="Stromer, 1908: 128" authorityName="Stromer" authorityPageNumber="128" authorityYear="1908" box="[132,457,1456,1480]" class="Mammalia" family="Basilosauridae" genus="Zeuglodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="isis">
|
||
<emphasis id="B977E951800BFFB18AE4FA0A1432FA16" box="[132,262,1456,1480]" italics="true" pageId="8" pageNumber="15">Zeuglodon isis</emphasis>
|
||
<bibRefCitation id="EF9248B2800BFFB18B6CFA0A14FDFA19" author="STROMER E." box="[268,457,1456,1480]" pageId="8" pageNumber="15" pagination="106 - 178" refId="ref103688" refString="STROMER E. 1908. - Die Archaeoceti des agyptischen Eozans. Beitrage zur Palaontolgie und Geologie Ostrerreich- Ungarns und des Orients 21: 106 - 178." type="journal article" year="1908">Stromer, 1908: 128</bibRefCitation>
|
||
</taxonomicName>
|
||
</treatmentCitation>
|
||
(in part).
|
||
</treatmentCitationGroup>
|
||
</paragraph>
|
||
<paragraph id="8BBC3543800BFFB18AE4FA591751F9C4" blockId="8.[132,775,1507,1557]" pageId="8" pageNumber="15">
|
||
<treatmentCitationGroup id="AB13126D800BFFB18AE4FA591751F9C4" pageId="8" pageNumber="15">
|
||
<taxonomicName id="4C034EC0800BFFB18AE4FA591761FA2A" authority="Muller, 1849: 26 - 28" authorityName="Muller" authorityPageNumber="26 - 28" authorityYear="1849" box="[132,597,1507,1531]" class="Mammalia" family="Basilosauridae" genus="Zeuglodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="brachyspondylus">
|
||
<emphasis id="B977E951800BFFB18AE4FA5915D7FA2A" box="[132,227,1507,1531]" italics="true" pageId="8" pageNumber="15">Zeuglodon</emphasis>
|
||
cf.
|
||
<emphasis id="B977E951800BFFB18B62FA5914A6FA2A" box="[258,402,1507,1531]" italics="true" pageId="8" pageNumber="15">brachyspondylus</emphasis>
|
||
<bibRefCitation id="EF9248B2800BFFB18BF6FA591761FA2A" author="MULLER J." box="[406,597,1507,1531]" pageId="8" pageNumber="15" refId="ref102371" refString="MULLER J. 1849. - Uber die fossilen Reste der Zeuglodonten von Nordamerica, mit Rucksicht auf die europaischen Reste aus dieser Familie. G. Reimer, Berlin, 38 p." type="book" year="1849">Müller, 1849:26-28</bibRefCitation>
|
||
</taxonomicName>
|
||
. —
|
||
<treatmentCitation id="0AA21352800BFFB1881CFA591599F9C4" author="STROMER E." page="136" pageId="8" pageNumber="15" year="1908">
|
||
<bibRefCitation id="EF9248B2800BFFB1881CFA591599F9C4" author="STROMER E." pageId="8" pageNumber="15" pagination="106 - 178" refId="ref103688" refString="STROMER E. 1908. - Die Archaeoceti des agyptischen Eozans. Beitrage zur Palaontolgie und Geologie Ostrerreich- Ungarns und des Orients 21: 106 - 178." type="journal article" year="1908">Stromer 1908: 136</bibRefCitation>
|
||
</treatmentCitation>
|
||
. —
|
||
<treatmentCitation id="0AA21352800BFFB18AB6FA4714B9F9C4" author="KELLOGG R." box="[214,397,1533,1557]" page="262" pageId="8" pageNumber="15" year="1936">
|
||
<bibRefCitation id="EF9248B2800BFFB18AB6FA4714B9F9C4" author="KELLOGG R." box="[214,397,1533,1557]" pageId="8" pageNumber="15" pagination="1 - 366" refId="ref100521" refString="KELLOGG R. 1936. - A review of the Archaeoceti. Carnegie Institution of Washington Publications 482: 1 - 366." type="journal article" year="1936">Kellogg 1936: 262</bibRefCitation>
|
||
</treatmentCitation>
|
||
. —
|
||
<treatmentCitation id="0AA21352800BFFB18BD5FA471755F9C4" author="SLIJPER E. J." box="[437,609,1533,1557]" page="319" pageId="8" pageNumber="15" year="1936">
|
||
<bibRefCitation id="EF9248B2800BFFB18BD5FA471755F9C4" author="SLIJPER E. J." box="[437,609,1533,1557]" pageId="8" pageNumber="15" pagination="1 - 590" refId="ref103474" refString="SLIJPER E. J. 1936. - Die Cetaceen. Capita Zoologica 7: 1 - 590." type="journal article" year="1936">Slijper 1936: 319</bibRefCitation>
|
||
</treatmentCitation>
|
||
.
|
||
</treatmentCitationGroup>
|
||
</paragraph>
|
||
<paragraph id="8BBC3543800BFFB18AE4F98B1754F998" blockId="8.[132,608,1584,1609]" box="[132,608,1584,1609]" pageId="8" pageNumber="15">
|
||
<treatmentCitationGroup id="AB13126D800BFFB18AE4F98B1754F998" box="[132,608,1584,1609]" pageId="8" pageNumber="15">
|
||
<treatmentCitation id="0AA21352800BFFB18AE4F98B1736F999" author="UHEN M. D." box="[132,514,1584,1609]" page="160" pageId="8" pageNumber="15" year="2005">
|
||
<taxonomicName id="4C034EC0800BFFB18AE4F98B1736F999" authority="Uhen, 2005: 160" authorityName="Uhen" authorityPageNumber="160" authorityYear="2005" box="[132,514,1584,1609]" class="Mammalia" family="Basilosauridae" genus="Cynthiacetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="maxwelli">
|
||
<emphasis id="B977E951800BFFB18AE4F98B1460F998" box="[132,340,1585,1609]" italics="true" pageId="8" pageNumber="15">Cynthiacetus maxwelli</emphasis>
|
||
<bibRefCitation id="EF9248B2800BFFB18B3AF98B1736F999" author="UHEN M. D." box="[346,514,1584,1609]" pageId="8" pageNumber="15" pagination="157 - 172" refId="ref104724" refString="UHEN M. D. 2005. - A new genus and species of archaeocete whale from Mississippi. Southeastern Geology 43 (3): 157 - 172." type="journal article" year="2005">Uhen, 2005: 160</bibRefCitation>
|
||
</taxonomicName>
|
||
</treatmentCitation>
|
||
(in part).
|
||
</treatmentCitationGroup>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C31966C8800BFFB18AE4F9DE178DF852" pageId="8" pageNumber="15" type="materials_examined">
|
||
<paragraph id="8BBC3543800BFFB18AE4F9DE1427F960" blockId="8.[132,775,1636,1713]" pageId="8" pageNumber="15">
|
||
<materialsCitation id="3B6B3F1E800BFFB18AE4F9DE1427F960" collectionCode="SMNS" pageId="8" pageNumber="15" specimenCode="SMNS 11414, SMNS 11413" specimenCount="1" typeStatus="holotype">
|
||
<typeStatus id="54B88BE1800BFFB18AE4F9DE15D9F9AB" box="[132,237,1636,1659]" pageId="8" pageNumber="15" type="holotype">HOLOTYPE</typeStatus>
|
||
. —
|
||
<specimenCode id="DBA59D38800BFFB18B7BF9DE1492F9AD" box="[283,422,1636,1660]" collectionCode="SMNS" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34840" lsid="urn:lsid:biocol.org:col:34840" name="Staatliches Museum fuer Naturkund Stuttgart" pageId="8" pageNumber="15">SMNS 11414</specimenCode>
|
||
, vertebral column, part of specimen ‘St. 8’ in
|
||
<bibRefCitation id="EF9248B2800BFFB18ABBF9C41493F947" author="STROMER E." box="[219,423,1662,1686]" pageId="8" pageNumber="15" pagination="106 - 178" refId="ref103688" refString="STROMER E. 1908. - Die Archaeoceti des agyptischen Eozans. Beitrage zur Palaontolgie und Geologie Ostrerreich- Ungarns und des Orients 21: 106 - 178." type="journal article" year="1908">Stromer (1908: 129)</bibRefCitation>
|
||
. The associated skull is catalogued as
|
||
<specimenCode id="DBA59D38800BFFB18AE4F923143BF960" box="[132,271,1689,1713]" collectionCode="SMNS" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34840" lsid="urn:lsid:biocol.org:col:34840" name="Staatliches Museum fuer Naturkund Stuttgart" pageId="8" pageNumber="15">SMNS 11413</specimenCode>
|
||
.
|
||
</materialsCitation>
|
||
</paragraph>
|
||
<paragraph id="8BBC3543800BFFB18AE4F976178DF852" blockId="8.[131,776,1740,1923]" pageId="8" pageNumber="15">
|
||
TYPE LOCALITY AND HORIZON. —
|
||
<bibRefCitation id="EF9248B2800BFFB18BBCF9761768F935" author="UHEN M. D." box="[476,604,1740,1764]" pageId="8" pageNumber="15" pagination="157 - 172" refId="ref104724" refString="UHEN M. D. 2005. - A new genus and species of archaeocete whale from Mississippi. Southeastern Geology 43 (3): 157 - 172." type="journal article" year="2005">Uhen (2005)</bibRefCitation>
|
||
pointed out that
|
||
<collectionCode id="ED12AD86800BFFB18AE6F95D15FDF92E" box="[134,201,1767,1791]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34840" lsid="urn:lsid:biocol.org:col:34840" name="Staatliches Museum fuer Naturkund Stuttgart" pageId="8" pageNumber="15">SMNS</collectionCode>
|
||
11414 and
|
||
<collectionCode id="ED12AD86800BFFB18B5EF95D14B5F92E" box="[318,385,1767,1791]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34840" lsid="urn:lsid:biocol.org:col:34840" name="Staatliches Museum fuer Naturkund Stuttgart" pageId="8" pageNumber="15">SMNS</collectionCode>
|
||
11413 could come from the Gehannam Formation (Bartonian) of the Fayum Province,
|
||
<collectingCountry id="F31475D3800BFFB18800F8BB17AAF8C8" box="[608,670,1793,1817]" name="Egypt" pageId="8" pageNumber="15">Egypt</collectingCountry>
|
||
. However,
|
||
<bibRefCitation id="EF9248B2800BFFB18AE6F8A11400F8E2" author="GINGERICH P. D." box="[134,308,1819,1843]" pageId="8" pageNumber="15" pagination="363 - 378" refId="ref98592" refString="GINGERICH P. D. 2007. - Stromerius nidensis, new archaeocete (Mammalia, Cetacea) from the upper Eocene Qasr El-Sagha Formation, Fayum, Egypt. Contributions from the Museum of Paleontology, University of Michigan 31 (13): 363 - 378. http: // hdl. handle. net / 2027.42 / 57499" type="journal article" year="2007">Gingerich (2007)</bibRefCitation>
|
||
follows
|
||
<bibRefCitation id="EF9248B2800BFFB18BEDF8A11717F8E2" author="KELLOGG R." box="[397,547,1819,1843]" pageId="8" pageNumber="15" pagination="1 - 366" refId="ref100521" refString="KELLOGG R. 1936. - A review of the Archaeoceti. Carnegie Institution of Washington Publications 482: 1 - 366." type="journal article" year="1936">Kellogg (1936)</bibRefCitation>
|
||
and indicates that the
|
||
<typeStatus id="54B88BE1800BFFB18AE6F88C15EFF89F" box="[134,219,1846,1870]" pageId="8" pageNumber="15" type="holotype">holotype</typeStatus>
|
||
of
|
||
<taxonomicName id="4C034EC0800BFFB18A97F88C1447F89F" authorityName="Gingerich" authorityYear="2007" box="[247,371,1846,1870]" class="Mammalia" family="Basilosauridae" genus="Masracetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="markgrafi">
|
||
<emphasis id="B977E951800BFFB18A97F88C1447F89F" box="[247,371,1846,1870]" italics="true" pageId="8" pageNumber="15">M. markgrafi</emphasis>
|
||
</taxonomicName>
|
||
comes from the Birket Qarun Formation, in the vicinity of Dimeh, also in the Fayum Province. This formation is regarded as early Priabonian in age by
|
||
<bibRefCitation id="EF9248B2800BFFB1886AF8D11781F852" author="GINGERICH P. D." box="[522,693,1899,1923]" pageId="8" pageNumber="15" pagination="1 - 84" refId="ref98535" refString="GINGERICH P. D. 1992. - Marine mammals (Cetacea and Sirenia) from the Eocene of Gebel Mokattam and Fayum, Egypt: stratigraphy, age, and paleoenvironments. University of Michigan Papers on Paleontology 30: 1 - 84. http: // hdl. handle. net / 2027.42 / 48630" type="journal article" year="1992">Gingerich (1992)</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C31966C8800BFFB18AE4F82410BFF93D" pageId="8" pageNumber="15" type="diagnosis">
|
||
<paragraph id="8BBC3543800BFFB18AE4F824169AFB3D" blockId="8.[132,775,1950,2030]" lastBlockId="8.[811,1457,1236,1772]" pageId="8" pageNumber="15">
|
||
DIAGNOSIS. — Large basilosaurid lacking the vertebral elongation observed in
|
||
<taxonomicName id="4C034EC0800BFFB18A91F802146BF801" authorityName="Gibbes" authorityYear="1847" box="[241,351,1976,2000]" class="Mammalia" family="Basilosauridae" genus="Basilosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="genus">
|
||
<emphasis id="B977E951800BFFB18A91F802146BF801" box="[241,351,1976,2000]" italics="true" pageId="8" pageNumber="15">Basilosaurus</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C034EC0800BFFB18B0BF80314FAF801" authorityName="Gingerich" authorityYear="2007" box="[363,462,1977,2000]" class="Mammalia" family="Basilosauridae" genus="Masracetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="genus">
|
||
<emphasis id="B977E951800BFFB18B0BF80314FAF801" box="[363,462,1977,2000]" italics="true" pageId="8" pageNumber="15">Masracetus</emphasis>
|
||
</taxonomicName>
|
||
is slightly larger than
|
||
<taxonomicName id="4C034EC0800BFFB188F2F8021631F801" baseAuthorityName="Martinez-Caceres & Muizon" baseAuthorityYear="2011" box="[658,773,1976,2000]" class="Mammalia" family="Basilosauridae" genus="Cynthiacetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="genus">
|
||
<emphasis id="B977E951800BFFB188F2F8021631F801" box="[658,773,1976,2000]" italics="true" pageId="8" pageNumber="15">Cynthiacetus</emphasis>
|
||
</taxonomicName>
|
||
with a lower lumbar length-to-width ratio
|
||
<subScript id="17873706800BFFB18B9EF8691711F83F" attach="left" box="[510,549,2003,2030]" fontSize="7" pageId="8" pageNumber="15">Llum</subScript>
|
||
/
|
||
<subScript id="17873706800BFFB1884DF869176AF83F" attach="left" box="[557,606,2003,2030]" fontSize="7" pageId="8" pageNumber="15">Wlum</subScript>
|
||
(
|
||
<bibRefCitation id="EF9248B2800BFFB1880AF86917CDF83A" author="GINGERICH P. D." box="[618,761,2003,2027]" pageId="8" pageNumber="15" pagination="363 - 378" refId="ref98592" refString="GINGERICH P. D. 2007. - Stromerius nidensis, new archaeocete (Mammalia, Cetacea) from the upper Eocene Qasr El-Sagha Formation, Fayum, Egypt. Contributions from the Museum of Paleontology, University of Michigan 31 (13): 363 - 378. http: // hdl. handle. net / 2027.42 / 57499" type="journal article" year="2007">Gingerich 2007</bibRefCitation>
|
||
). DISCUSSION
|
||
</paragraph>
|
||
<paragraph id="8BBC3543800BFFB1894DFB4910BFF93D" blockId="8.[811,1457,1236,1772]" pageId="8" pageNumber="15">
|
||
The
|
||
<typeStatus id="54B88BE1800BFFB1893FFB49168AFADC" box="[863,958,1267,1293]" pageId="8" pageNumber="15" type="holotype">holotype</typeStatus>
|
||
of
|
||
<taxonomicName id="4C034EC0800BFFB18988FB4E11F2FADC" authorityName="Gingerich" authorityYear="2007" box="[1000,1222,1267,1293]" class="Mammalia" family="Basilosauridae" genus="Masracetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="markgrafi">
|
||
<emphasis id="B977E951800BFFB18988FB4E11F2FADC" box="[1000,1222,1267,1293]" italics="true" pageId="8" pageNumber="15">Masracetus markgrafi</emphasis>
|
||
</taxonomicName>
|
||
was initially referred to
|
||
<taxonomicName id="4C034EC0800BFFB1892BFAAE11F6FAFF" authority="(Stromer 1908)" baseAuthorityName="Stromer" baseAuthorityYear="1908" box="[843,1218,1299,1326]" class="Mammalia" family="Basilosauridae" genus="Zeuglodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="brachyspondylus">
|
||
<emphasis id="B977E951800BFFB1892BFAAE1124FAFC" box="[843,1040,1299,1325]" italics="true" pageId="8" pageNumber="15">Z. brachyspondylus</emphasis>
|
||
(
|
||
<bibRefCitation id="EF9248B2800BFFB18E41FAAE118DFAFF" author="STROMER E." box="[1057,1209,1300,1326]" pageId="8" pageNumber="15" pagination="106 - 178" refId="ref103688" refString="STROMER E. 1908. - Die Archaeoceti des agyptischen Eozans. Beitrage zur Palaontolgie und Geologie Ostrerreich- Ungarns und des Orients 21: 106 - 178." type="journal article" year="1908">Stromer 1908</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
and more recently to
|
||
<taxonomicName id="4C034EC0800BFFB1894EFA8E110EFA9F" authority="(Uhen 2005)" baseAuthorityName="Uhen" baseAuthorityYear="2005" box="[814,1082,1331,1358]" class="Mammalia" family="Basilosauridae" genus="Cynthiacetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="maxwelli">
|
||
<emphasis id="B977E951800BFFB1894EFA8E169CFA9C" box="[814,936,1331,1358]" italics="true" pageId="8" pageNumber="15">C. maxwelli</emphasis>
|
||
(
|
||
<bibRefCitation id="EF9248B2800BFFB189D6FA891104FA9F" author="UHEN M. D." box="[950,1072,1331,1358]" pageId="8" pageNumber="15" pagination="157 - 172" refId="ref104724" refString="UHEN M. D. 2005. - A new genus and species of archaeocete whale from Mississippi. Southeastern Geology 43 (3): 157 - 172." type="journal article" year="2005">Uhen 2005</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
.
|
||
<bibRefCitation id="EF9248B2800BFFB18E24FA8911CAFA9F" author="GINGERICH P. D." box="[1092,1278,1331,1358]" pageId="8" pageNumber="15" pagination="363 - 378" refId="ref98592" refString="GINGERICH P. D. 2007. - Stromerius nidensis, new archaeocete (Mammalia, Cetacea) from the upper Eocene Qasr El-Sagha Formation, Fayum, Egypt. Contributions from the Museum of Paleontology, University of Michigan 31 (13): 363 - 378. http: // hdl. handle. net / 2027.42 / 57499" type="journal article" year="2007">Gingerich (2007)</bibRefCitation>
|
||
pointed out that
|
||
<taxonomicName id="4C034EC0800BFFB1894BFAEE16AAFABC" authorityName="Gingerich" authorityYear="2007" box="[811,926,1364,1389]" class="Mammalia" family="Basilosauridae" genus="Masracetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="genus">
|
||
<emphasis id="B977E951800BFFB1894BFAEE16AAFABC" box="[811,926,1364,1389]" italics="true" pageId="8" pageNumber="15">Masracetus</emphasis>
|
||
</taxonomicName>
|
||
differs from other basilosaurids in the size and proportions of its lumbar vertebrae. Based on this feature,
|
||
<bibRefCitation id="EF9248B2800BFFB1894DFA2916DEFA7F" author="GINGERICH P. D." box="[813,1002,1427,1454]" pageId="8" pageNumber="15" pagination="363 - 378" refId="ref98592" refString="GINGERICH P. D. 2007. - Stromerius nidensis, new archaeocete (Mammalia, Cetacea) from the upper Eocene Qasr El-Sagha Formation, Fayum, Egypt. Contributions from the Museum of Paleontology, University of Michigan 31 (13): 363 - 378. http: // hdl. handle. net / 2027.42 / 57499" type="journal article" year="2007">Gingerich (2007)</bibRefCitation>
|
||
hypothesizes that
|
||
<taxonomicName id="4C034EC0800BFFB18ED2FA2E1655FA1C" baseAuthorityName="Muller" baseAuthorityYear="1849" class="Mammalia" family="Basilosauridae" genus="Pontogeneus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="brachyspondylus">
|
||
<emphasis id="B977E951800BFFB18ED2FA2E1655FA1C" italics="true" pageId="8" pageNumber="15">Pontogeneus brachyspondylus</emphasis>
|
||
</taxonomicName>
|
||
could be referred to
|
||
<taxonomicName id="4C034EC0800BFFB18E23FA0E1180FA1C" authorityName="Gingerich" authorityYear="2007" box="[1091,1204,1460,1485]" class="Mammalia" family="Basilosauridae" genus="Masracetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="genus">
|
||
<emphasis id="B977E951800BFFB18E23FA0E1180FA1C" box="[1091,1204,1460,1485]" italics="true" pageId="8" pageNumber="15">Masracetus</emphasis>
|
||
</taxonomicName>
|
||
. Because a comparison of lumbar ratios in a large sampling of basilosaurid specimens (
|
||
<tableCitation id="C68100F8800BFFB18956FA4916B0F9DC" box="[822,900,1523,1549]" captionStart="TABLE" captionStartId="7.[132,143,220,238]" captionText="TABLE 2. — Vertebral ratios of the lumbar centra of some basilosaurids.Note the high LLUM/WLUM and LLUM/HLUM ratios in Basilosaurus cetoides, Saghacetus osiris, and Stromerius nidensis. Symbols, *, type specimen; µ, average of all vertebrae belonging to the same species, reflects the intraspecific variation. Data come from direct measurements (Cynthiacetus maxwelli, C. peruvianus, Sa. osiris, Dorudon atrox); Slijper 1936 (Masracetus markgarfi); Kellogg 1936 (Zygorizha kochii); Uhen 2004 (D. atrox); and Gingerich 2007 (Str. nidensis)." pageId="8" pageNumber="15">Table 2</tableCitation>
|
||
) does not clearly distinguish
|
||
<taxonomicName id="4C034EC0800BFFB18ED6FA49100DF9DC" baseAuthorityName="Martinez-Caceres & Muizon" baseAuthorityYear="2011" box="[1206,1337,1523,1549]" class="Mammalia" family="Basilosauridae" genus="Cynthiacetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="genus">
|
||
<emphasis id="B977E951800BFFB18ED6FA49100DF9DC" box="[1206,1337,1523,1549]" italics="true" pageId="8" pageNumber="15">Cynthiacetus</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<taxonomicName id="4C034EC0800BFFB18F18FA491647F9FD" authorityName="Gingerich" authorityYear="2007" class="Mammalia" family="Basilosauridae" genus="Masracetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="genus">
|
||
<emphasis id="B977E951800BFFB18F18FA491647F9FD" italics="true" pageId="8" pageNumber="15">Masracetus</emphasis>
|
||
</taxonomicName>
|
||
, the differences between the two genera could very well represent intra-specific variation (when compared to the variation observed in
|
||
<taxonomicName id="4C034EC0800BFFB18E76F9E91159F9BD" box="[1046,1133,1619,1644]" class="Mammalia" family="Basilosauridae" genus="Dorudon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="atrox">
|
||
<emphasis id="B977E951800BFFB18E76F9E91159F9BD" box="[1046,1133,1619,1644]" italics="true" pageId="8" pageNumber="15">D. atrox</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C034EC0800BFFB18EC3F9E91034F9BD" baseAuthorityName="Kellogg" baseAuthorityYear="1936" box="[1187,1280,1618,1644]" class="Mammalia" family="Basilosauridae" genus="Zygorhiza" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="kochii">
|
||
<emphasis id="B977E951800BFFB18EC3F9E91034F9BD" box="[1187,1280,1618,1644]" italics="true" pageId="8" pageNumber="15">Z. kochii</emphasis>
|
||
</taxonomicName>
|
||
). Until study of the most complete specimen of
|
||
<taxonomicName id="4C034EC0800BFFB18EF2F9C9102BF95D" authorityName="Gingerich" authorityYear="2007" box="[1170,1311,1650,1676]" class="Mammalia" family="Basilosauridae" genus="Masracetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="markgrafi">
|
||
<emphasis id="B977E951800BFFB18EF2F9C9102BF95D" box="[1170,1311,1650,1676]" italics="true" pageId="8" pageNumber="15">M. markgrafi</emphasis>
|
||
</taxonomicName>
|
||
(collected in 2006:
|
||
<bibRefCitation id="EF9248B2800BFFB18911F928112FF97D" author="GINGERICH P. D." box="[881,1051,1682,1708]" pageId="8" pageNumber="15" pagination="363 - 378" refId="ref98592" refString="GINGERICH P. D. 2007. - Stromerius nidensis, new archaeocete (Mammalia, Cetacea) from the upper Eocene Qasr El-Sagha Formation, Fayum, Egypt. Contributions from the Museum of Paleontology, University of Michigan 31 (13): 363 - 378. http: // hdl. handle. net / 2027.42 / 57499" type="journal article" year="2007">Gingerich 2007</bibRefCitation>
|
||
) clarifies the validity of both
|
||
<taxonomicName id="4C034EC0800BFFB18F31F929167EF91D" authorityName="Gingerich" authorityYear="2007" class="Mammalia" family="Basilosauridae" genus="Masracetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="genus">
|
||
<emphasis id="B977E951800BFFB18F31F929167EF91D" italics="true" pageId="8" pageNumber="15">Masracetus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C034EC0800BFFB1891DF9091132F91D" authorityName="Gingerich" authorityYear="2007" box="[893,1030,1714,1740]" class="Mammalia" family="Basilosauridae" genus="Masracetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="markgrafi">
|
||
<emphasis id="B977E951800BFFB1891DF9091132F91D" box="[893,1030,1714,1740]" italics="true" pageId="8" pageNumber="15">M. markgrafi</emphasis>
|
||
</taxonomicName>
|
||
, we follow
|
||
<bibRefCitation id="EF9248B2800BFFB18E1CF908100DF91C" author="GINGERICH P. D." box="[1148,1337,1714,1741]" pageId="8" pageNumber="15" pagination="363 - 378" refId="ref98592" refString="GINGERICH P. D. 2007. - Stromerius nidensis, new archaeocete (Mammalia, Cetacea) from the upper Eocene Qasr El-Sagha Formation, Fayum, Egypt. Contributions from the Museum of Paleontology, University of Michigan 31 (13): 363 - 378. http: // hdl. handle. net / 2027.42 / 57499" type="journal article" year="2007">Gingerich (2007)</bibRefCitation>
|
||
and regard
|
||
<taxonomicName id="4C034EC0800BFFB1894BF969169BF93D" box="[811,943,1746,1772]" class="Mammalia" family="Basilosauridae" genus="Masracetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="species" species="markragi">
|
||
<emphasis id="B977E951800BFFB1894BF969169BF93D" box="[811,943,1746,1772]" italics="true" pageId="8" pageNumber="15">M. markragi</emphasis>
|
||
</taxonomicName>
|
||
as a different species from
|
||
<taxonomicName id="4C034EC0800BFFB18EB4F9681063F93D" baseAuthorityName="Martinez-Caceres & Muizon" baseAuthorityYear="2011" box="[1236,1367,1746,1772]" class="Mammalia" family="Basilosauridae" genus="Cynthiacetus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Cetacea" pageId="8" pageNumber="15" phylum="Chordata" rank="genus">
|
||
<emphasis id="B977E951800BFFB18EB4F9681063F93D" box="[1236,1367,1746,1772]" italics="true" pageId="8" pageNumber="15">Cynthiacetus</emphasis>
|
||
</taxonomicName>
|
||
spp.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |