Herpetocetus morrowi (Cetacea: Mysticeti), a new species of diminutive baleen whale from the Upper Pliocene (Piacenzian) of California, USA, with observations on the evolution and relationships of the Cetotheriidae
Identifieur interne : 000863 ( Istex/Corpus ); précédent : 000862; suivant : 000864Herpetocetus morrowi (Cetacea: Mysticeti), a new species of diminutive baleen whale from the Upper Pliocene (Piacenzian) of California, USA, with observations on the evolution and relationships of the Cetotheriidae
Auteurs : Joseph J. El Adli ; Thomas A. Deméré ; Robert W. BoesseneckerSource :
- Zoological Journal of the Linnean Society [ 0024-4082 ] ; 2014-02.
Abstract
The extinct edentulous mysticete family Cetotheriidae historically has been viewed as a notoriously paraphyletic group, and only recently have rigorous studies been executed to rectify this issue. These problems do not necessarily just stem from lack of phylogenetic analyses, but are in part because of a general lack of complete specimens, poor descriptions of taxa, and long‐lived taxonomic instability issues. The fossil mysticete genus Herpetocetus is a poster child of these problems as it is primarily only known from a few relatively incomplete and poorly described specimens. A new species of Herpetocetus from the upper Pliocene of California, Herpetocetus morrowi sp. nov., provides an archetypal model for the genus based on a multitude of well‐preserved specimens. These specimens reveal a diminutive mysticete characterized by an elongate rostrum and roughly quadrate cranium. A mosaic of primitive and derived features preserved in this new species underscores its potential value in helping to resolve a number of taxonomic and phylogenetic problems. The occurrence of specimens assignable to juvenile through to mature adult individuals provides a basis for investigating ontogenetic changes. Functional analysis of the unusual craniomandibular anatomy of H. morrowi suggests a limited degree of mandibular gape and an enhanced capacity for longitudinal rotation of the dentary, features that support a hypothesis of suction feeding convergent with that of living grey whales. A phylogenetic analysis provides support for recognition of a redefined and monophyletic Cetotheriidae and Herpetocetinae, and also serves as a basis for evaluating the recent proposal that the pygmy right whale (Caperea marginata) is a living cetothere. Morphological features of Herpetocetus morrowi, including features of the cranium and petrosal, suggest that a number of the purported synapomorphies supporting a Caperea−cetothere grouping are either symplesiomorphies, nonhomologous features, or are highly variable. © 2014 The Linnean Society of London
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DOI: 10.1111/zoj.12108
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Herpetocetus morrowi (Cetacea: Mysticeti), a new species of diminutive baleen whale from the Upper Pliocene (Piacenzian) of California, USA, with observations on the evolution and relationships of the Cetotheriidae</title><author><name sortKey="El Adli, Joseph J" sort="El Adli, Joseph J" uniqKey="El Adli J" first="Joseph J." last="El Adli">Joseph J. El Adli</name><affiliation><mods:affiliation>Department of Paleontology P.O. Box 121390, San Diego Natural History Museum, 92112, San Diego, California, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>Department of Earth and Environmental Sciences, University of Michigan, 1109 Geddes Avenue, Michigan, 48109, Ann Arbor, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: jeladli@umich.edu</mods:affiliation></affiliation></author><author><name sortKey="Demere, Thomas A" sort="Demere, Thomas A" uniqKey="Demere T" first="Thomas A." last="Deméré">Thomas A. Deméré</name><affiliation><mods:affiliation>Department of Paleontology P.O. Box 121390, San Diego Natural History Museum, California, 92112, San Diego, USA</mods:affiliation></affiliation></author><author><name sortKey="Boessenecker, Robert W" sort="Boessenecker, Robert W" uniqKey="Boessenecker R" first="Robert W." last="Boessenecker">Robert W. Boessenecker</name><affiliation><mods:affiliation>Department of Geology, University of Otago, P.O. Box 56, 9054, Dunedin, New Zealand</mods:affiliation></affiliation><affiliation><mods:affiliation>University of California Museum of Paleontology, University of California, 1101 Valley Life Sciences Building, California, 94720, Berkeley, USA</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:1196266749D8F4604270E1AA16EFDEF83A5FFE66</idno><date when="2014" year="2014">2014</date><idno type="doi">10.1111/zoj.12108</idno><idno type="url">https://api.istex.fr/document/1196266749D8F4604270E1AA16EFDEF83A5FFE66/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000863</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000863</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main"><hi rend="italic"><hi rend="fc">H</hi>erpetocetus morrowi</hi> (<hi rend="fc">C</hi>etacea: <hi rend="fc">M</hi>ysticeti), a new species of diminutive baleen whale from the Upper <hi rend="fc">P</hi>liocene (<hi rend="fc">P</hi>iacenzian) of <hi rend="fc">C</hi>alifornia, <hi rend="fc">USA,</hi> with observations on the evolution and relationships of the <hi rend="fc">C</hi>etotheriidae</title><author><name sortKey="El Adli, Joseph J" sort="El Adli, Joseph J" uniqKey="El Adli J" first="Joseph J." last="El Adli">Joseph J. El Adli</name><affiliation><mods:affiliation>Department of Paleontology P.O. Box 121390, San Diego Natural History Museum, 92112, San Diego, California, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>Department of Earth and Environmental Sciences, University of Michigan, 1109 Geddes Avenue, Michigan, 48109, Ann Arbor, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: jeladli@umich.edu</mods:affiliation></affiliation></author><author><name sortKey="Demere, Thomas A" sort="Demere, Thomas A" uniqKey="Demere T" first="Thomas A." last="Deméré">Thomas A. Deméré</name><affiliation><mods:affiliation>Department of Paleontology P.O. Box 121390, San Diego Natural History Museum, California, 92112, San Diego, USA</mods:affiliation></affiliation></author><author><name sortKey="Boessenecker, Robert W" sort="Boessenecker, Robert W" uniqKey="Boessenecker R" first="Robert W." last="Boessenecker">Robert W. Boessenecker</name><affiliation><mods:affiliation>Department of Geology, University of Otago, P.O. Box 56, 9054, Dunedin, New Zealand</mods:affiliation></affiliation><affiliation><mods:affiliation>University of California Museum of Paleontology, University of California, 1101 Valley Life Sciences Building, California, 94720, Berkeley, USA</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Zoological Journal of the Linnean Society</title><title level="j" type="alt">ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY</title><idno type="ISSN">0024-4082</idno><idno type="eISSN">1096-3642</idno><imprint><biblScope unit="vol">170</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="400">400</biblScope><biblScope unit="page" to="466">466</biblScope><biblScope unit="page-count">66</biblScope><date type="published" when="2014-02">2014-02</date></imprint><idno type="ISSN">0024-4082</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0024-4082</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract">The extinct edentulous mysticete family Cetotheriidae historically has been viewed as a notoriously paraphyletic group, and only recently have rigorous studies been executed to rectify this issue. These problems do not necessarily just stem from lack of phylogenetic analyses, but are in part because of a general lack of complete specimens, poor descriptions of taxa, and long‐lived taxonomic instability issues. The fossil mysticete genus Herpetocetus is a poster child of these problems as it is primarily only known from a few relatively incomplete and poorly described specimens. A new species of Herpetocetus from the upper Pliocene of California, Herpetocetus morrowi sp. nov., provides an archetypal model for the genus based on a multitude of well‐preserved specimens. These specimens reveal a diminutive mysticete characterized by an elongate rostrum and roughly quadrate cranium. A mosaic of primitive and derived features preserved in this new species underscores its potential value in helping to resolve a number of taxonomic and phylogenetic problems. The occurrence of specimens assignable to juvenile through to mature adult individuals provides a basis for investigating ontogenetic changes. Functional analysis of the unusual craniomandibular anatomy of H. morrowi suggests a limited degree of mandibular gape and an enhanced capacity for longitudinal rotation of the dentary, features that support a hypothesis of suction feeding convergent with that of living grey whales. A phylogenetic analysis provides support for recognition of a redefined and monophyletic Cetotheriidae and Herpetocetinae, and also serves as a basis for evaluating the recent proposal that the pygmy right whale (Caperea marginata) is a living cetothere. Morphological features of Herpetocetus morrowi, including features of the cranium and petrosal, suggest that a number of the purported synapomorphies supporting a Caperea−cetothere grouping are either symplesiomorphies, nonhomologous features, or are highly variable. © 2014 The Linnean Society of London</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Joseph J. El Adli</name><affiliations><json:string>Department of Paleontology P.O. Box 121390, San Diego Natural History Museum, 92112, San Diego, California, USA</json:string><json:string>Department of Earth and Environmental Sciences, University of Michigan, 1109 Geddes Avenue, Michigan, 48109, Ann Arbor, USA</json:string><json:string>E-mail: jeladli@umich.edu</json:string></affiliations></json:item><json:item><name>Thomas A. Deméré</name><affiliations><json:string>Department of Paleontology P.O. Box 121390, San Diego Natural History Museum, California, 92112, San Diego, USA</json:string></affiliations></json:item><json:item><name>Robert W. Boessenecker</name><affiliations><json:string>Department of Geology, University of Otago, P.O. Box 56, 9054, Dunedin, New Zealand</json:string><json:string>University of California Museum of Paleontology, University of California, 1101 Valley Life Sciences Building, California, 94720, Berkeley, USA</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Caperea − functional morphology</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>palaeontology</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>phylogeny</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>systematics</value></json:item></subject><articleId><json:string>ZOJ12108</json:string></articleId><arkIstex>ark:/67375/WNG-2H4M53D3-C</arkIstex><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>The extinct edentulous mysticete family Cetotheriidae historically has been viewed as a notoriously paraphyletic group, and only recently have rigorous studies been executed to rectify this issue. These problems do not necessarily just stem from lack of phylogenetic analyses, but are in part because of a general lack of complete specimens, poor descriptions of taxa, and long‐lived taxonomic instability issues. The fossil mysticete genus Herpetocetus is a poster child of these problems as it is primarily only known from a few relatively incomplete and poorly described specimens. A new species of Herpetocetus from the upper Pliocene of California, Herpetocetus morrowi sp. nov., provides an archetypal model for the genus based on a multitude of well‐preserved specimens. These specimens reveal a diminutive mysticete characterized by an elongate rostrum and roughly quadrate cranium. A mosaic of primitive and derived features preserved in this new species underscores its potential value in helping to resolve a number of taxonomic and phylogenetic problems. The occurrence of specimens assignable to juvenile through to mature adult individuals provides a basis for investigating ontogenetic changes. Functional analysis of the unusual craniomandibular anatomy of H. morrowi suggests a limited degree of mandibular gape and an enhanced capacity for longitudinal rotation of the dentary, features that support a hypothesis of suction feeding convergent with that of living grey whales. A phylogenetic analysis provides support for recognition of a redefined and monophyletic Cetotheriidae and Herpetocetinae, and also serves as a basis for evaluating the recent proposal that the pygmy right whale (Caperea marginata) is a living cetothere. Morphological features of Herpetocetus morrowi, including features of the cranium and petrosal, suggest that a number of the purported synapomorphies supporting a Caperea−cetothere grouping are either symplesiomorphies, nonhomologous features, or are highly variable. © 2014 The Linnean Society of London</abstract><qualityIndicators><refBibsNative>true</refBibsNative><abstractWordCount>294</abstractWordCount><abstractCharCount>2053</abstractCharCount><keywordCount>4</keywordCount><score>10</score><pdfWordCount>32945</pdfWordCount><pdfCharCount>207989</pdfCharCount><pdfVersion>1.3</pdfVersion><pdfPageCount>67</pdfPageCount><pdfPageSize>595.276 x 782.333 pts</pdfPageSize></qualityIndicators><title>Herpetocetus morrowi (Cetacea: Mysticeti), a new species of diminutive baleen whale from the Upper Pliocene (Piacenzian) of California, USA, with observations on the evolution and relationships of the Cetotheriidae</title><genre><json:string>article</json:string></genre><host><title>Zoological Journal of the Linnean Society</title><language><json:string>unknown</json:string></language><doi><json:string>10.1111/(ISSN)1096-3642</json:string></doi><issn><json:string>0024-4082</json:string></issn><eissn><json:string>1096-3642</json:string></eissn><publisherId><json:string>ZOJ</json:string></publisherId><volume>170</volume><issue>2</issue><pages><first>400</first><last>466</last><total>66</total></pages><genre><json:string>journal</json:string></genre><subject><json:item><value>Original Article</value></json:item></subject></host><ark><json:string>ark:/67375/WNG-2H4M53D3-C</json:string></ark><publicationDate>2014</publicationDate><copyrightDate>2014</copyrightDate><doi><json:string>10.1111/zoj.12108</json:string></doi><id>1196266749D8F4604270E1AA16EFDEF83A5FFE66</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/1196266749D8F4604270E1AA16EFDEF83A5FFE66/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/1196266749D8F4604270E1AA16EFDEF83A5FFE66/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/1196266749D8F4604270E1AA16EFDEF83A5FFE66/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main"><hi rend="italic"><hi rend="fc">H</hi>erpetocetus morrowi</hi> (<hi rend="fc">C</hi>etacea: <hi rend="fc">M</hi>ysticeti), a new species of diminutive baleen whale from the Upper <hi rend="fc">P</hi>liocene (<hi rend="fc">P</hi>iacenzian) of <hi rend="fc">C</hi>alifornia, <hi rend="fc">USA,</hi> with observations on the evolution and relationships of the <hi rend="fc">C</hi>etotheriidae</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Wiley Publishing Ltd</publisher><availability><licence>© 2014 The Linnean Society of London</licence></availability><date type="published" when="2014-02"></date></publicationStmt><notesStmt><note type="content-type" subtype="article" source="article" scheme="https://content-type.data.istex.fr/ark:/67375/XTP-6N5SZHKN-D">article</note><note type="publication-type" subtype="journal" scheme="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</note></notesStmt><sourceDesc><biblStruct type="article"><analytic><title level="a" type="main"><hi rend="italic"><hi rend="fc">H</hi>erpetocetus morrowi</hi> (<hi rend="fc">C</hi>etacea: <hi rend="fc">M</hi>ysticeti), a new species of diminutive baleen whale from the Upper <hi rend="fc">P</hi>liocene (<hi rend="fc">P</hi>iacenzian) of <hi rend="fc">C</hi>alifornia, <hi rend="fc">USA,</hi> with observations on the evolution and relationships of the <hi rend="fc">C</hi>etotheriidae</title><title level="a" type="short">A New Pliocene‐Age Cetotheriid</title><author xml:id="author-0000" role="corresp"><persName><forename type="first">Joseph J.</forename><surname>El Adli</surname></persName><affiliation><orgName>Department of Paleontology P.O. Box 121390</orgName><orgName>San Diego Natural History Museum</orgName><address><settlement type="city">San Diego</settlement><postCode>92112</postCode><region>California</region><country key="US">USA</country></address></affiliation><affiliation><orgName>Department of Earth and Environmental Sciences</orgName><orgName>University of Michigan</orgName><address><street>1109 Geddes Avenue</street><settlement type="city">Ann Arbor</settlement><postCode>48109</postCode><region>Michigan</region><country key="US">USA</country></address></affiliation><affiliation>Corresponding author. E‐mail: jeladli@umich.edu</affiliation></author><author xml:id="author-0001"><persName><forename type="first">Thomas A.</forename><surname>Deméré</surname></persName><affiliation><orgName>Department of Paleontology P.O. Box 121390</orgName><orgName>San Diego Natural History Museum</orgName><address><settlement type="city">San Diego</settlement><postCode>92112</postCode><region>California</region><country key="US">USA</country></address></affiliation></author><author xml:id="author-0002"><persName><forename type="first">Robert W.</forename><surname>Boessenecker</surname></persName><affiliation><orgName>Department of Geology</orgName><orgName>University of Otago</orgName><address><street>P.O. Box 56</street><settlement type="city">Dunedin</settlement><postCode>9054</postCode><country key="NZ">New Zealand</country></address></affiliation><affiliation><orgName>University of California Museum of Paleontology</orgName><orgName>University of California</orgName><address><street>1101 Valley Life Sciences Building</street><settlement type="city">Berkeley</settlement><postCode>94720</postCode><region>California</region><country key="US">USA</country></address></affiliation></author><idno type="istex">1196266749D8F4604270E1AA16EFDEF83A5FFE66</idno><idno type="ark">ark:/67375/WNG-2H4M53D3-C</idno><idno type="DOI">10.1111/zoj.12108</idno><idno type="unit">ZOJ12108</idno><idno type="toTypesetVersion">file://ZOJ.ZOJ12108.pdf</idno></analytic><monogr><title level="j" type="main">Zoological Journal of the Linnean Society</title><title level="j" type="alt">ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY</title><idno type="pISSN">0024-4082</idno><idno type="eISSN">1096-3642</idno><idno type="book-DOI">10.1111/(ISSN)1096-3642</idno><idno type="book-part-DOI">10.1111/zoj.2014.170.issue-2</idno><idno type="product">ZOJ</idno><imprint><biblScope unit="vol">170</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="400">400</biblScope><biblScope unit="page" to="466">466</biblScope><biblScope unit="page-count">66</biblScope><date type="published" when="2014-02"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract style="main"><p>The extinct edentulous mysticete family <hi rend="fc">C</hi>etotheriidae historically has been viewed as a notoriously paraphyletic group, and only recently have rigorous studies been executed to rectify this issue. These problems do not necessarily just stem from lack of phylogenetic analyses, but are in part because of a general lack of complete specimens, poor descriptions of taxa, and long‐lived taxonomic instability issues. The fossil mysticete genus <hi rend="italic"><hi rend="fc">H</hi>erpetocetus</hi> is a poster child of these problems as it is primarily only known from a few relatively incomplete and poorly described specimens. A new species of <hi rend="italic"><hi rend="fc">H</hi>erpetocetus</hi> from the upper <hi rend="fc">P</hi>liocene of <hi rend="fc">C</hi>alifornia, <hi rend="italic"><hi rend="bold"><hi rend="fc">H</hi></hi></hi><hi rend="bold"><hi rend="italic">erpetocetus morrowi</hi> sp. nov.</hi>, provides an archetypal model for the genus based on a multitude of well‐preserved specimens. These specimens reveal a diminutive mysticete characterized by an elongate rostrum and roughly quadrate cranium. A mosaic of primitive and derived features preserved in this new species underscores its potential value in helping to resolve a number of taxonomic and phylogenetic problems. The occurrence of specimens assignable to juvenile through to mature adult individuals provides a basis for investigating ontogenetic changes. Functional analysis of the unusual craniomandibular anatomy of <hi rend="italic"><hi rend="fc">H</hi>. morrowi</hi> suggests a limited degree of mandibular gape and an enhanced capacity for longitudinal rotation of the dentary, features that support a hypothesis of suction feeding convergent with that of living grey whales. A phylogenetic analysis provides support for recognition of a redefined and monophyletic <hi rend="fc">C</hi>etotheriidae and <hi rend="fc">H</hi>erpetocetinae, and also serves as a basis for evaluating the recent proposal that the pygmy right whale (<hi rend="italic"><hi rend="fc">C</hi>aperea marginata</hi>) is a living cetothere. Morphological features of <hi rend="italic"><hi rend="fc">H</hi>erpetocetus morrowi</hi>, including features of the cranium and petrosal, suggest that a number of the purported synapomorphies supporting a <hi rend="italic"><hi rend="fc">C</hi>aperea</hi>−cetothere grouping are either symplesiomorphies, nonhomologous features, or are highly variable. © 2014 The Linnean Society of London</p></abstract><textClass><keywords><term xml:id="zoj12108-kwd-0001"><hi rend="italic"><hi rend="fc">C</hi>aperea</hi> − functional morphology</term><term xml:id="zoj12108-kwd-0002">palaeontology</term><term xml:id="zoj12108-kwd-0003">phylogeny</term><term xml:id="zoj12108-kwd-0004">systematics</term></keywords><keywords rend="tocHeading1"><term>Original Articles</term></keywords><keywords rend="articleCategory"><term>Original Article</term></keywords></textClass><langUsage><language ident="en"></language></langUsage></profileDesc></teiHeader></istex:fulltextTEI></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body" wicri:toSee="Element #text"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component type="serialArticle" version="2.0" xml:id="zoj12108" xml:lang="en"><header><publicationMeta level="product"><doi origin="wiley">10.1111/(ISSN)1096-3642</doi><issn type="print">0024-4082</issn><issn type="electronic">1096-3642</issn><idGroup><id type="product" value="ZOJ"></id></idGroup><titleGroup><title sort="ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY" type="main">Zoological Journal of the Linnean Society</title><title type="short">Zool J Linn Soc</title></titleGroup></publicationMeta><publicationMeta level="part" position="02102"><doi>10.1111/zoj.2014.170.issue-2</doi><copyright ownership="thirdParty">Copyright © 2014 The Linnean Society of London</copyright><numberingGroup><numbering number="170" type="journalVolume">170</numbering><numbering type="journalIssue">2</numbering></numberingGroup><coverDate startDate="2014-02">February 2014</coverDate></publicationMeta><publicationMeta level="unit" position="70" status="forIssue" type="article"><doi>10.1111/zoj.12108</doi><idGroup><id type="unit" value="ZOJ12108"></id></idGroup><countGroup><count number="66" type="pageTotal"></count></countGroup><titleGroup><title type="tocHeading1">Original Articles</title><title type="articleCategory">Original Article</title></titleGroup><copyright ownership="thirdParty">© 2014 The Linnean Society of London</copyright><eventGroup><event agent="bestset" date="2013-12-17" type="xmlCreated"></event><event date="2013-08-24" type="manuscriptReceived"></event><event date="2013-10-18" type="manuscriptRevised"></event><event date="2013-10-21" type="manuscriptAccepted"></event><event type="firstOnline" date="2014-01-27"></event><event type="publishedOnlineFinalForm" date="2014-01-27"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.6.4 mode:FullText" date="2015-10-08"></event></eventGroup><numberingGroup><numbering type="pageFirst">400</numbering><numbering type="pageLast">466</numbering></numberingGroup><correspondenceTo>Corresponding author. E‐mail: <email>jeladli@umich.edu</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file://ZOJ.ZOJ12108.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count number="40" type="figureTotal"></count></countGroup><titleGroup><title type="short">A New Pliocene‐Age Cetotheriid</title><title type="shortAuthors">J. <fc>J</fc>. <fc>E</fc>l <fc>A</fc>dli <i>et al</i>.</title><title type="main"><i><fc>H</fc>erpetocetus morrowi</i> (<fc>C</fc>etacea: <fc>M</fc>ysticeti), a new species of diminutive baleen whale from the Upper <fc>P</fc>liocene (<fc>P</fc>iacenzian) of <fc>C</fc>alifornia, <fc>USA,</fc> with observations on the evolution and relationships of the <fc>C</fc>etotheriidae</title></titleGroup><creators><creator affiliationRef="#zoj12108-aff-0001 #zoj12108-aff-0002" corresponding="yes" creatorRole="author" xml:id="zoj12108-cr-0001"><personName><givenNames>Joseph J.</givenNames><familyName>El Adli</familyName></personName></creator><creator affiliationRef="#zoj12108-aff-0001" creatorRole="author" xml:id="zoj12108-cr-0002"><personName><givenNames>Thomas A.</givenNames><familyName>Deméré</familyName></personName></creator><creator affiliationRef="#zoj12108-aff-0003 #zoj12108-aff-0004" creatorRole="author" xml:id="zoj12108-cr-0003"><personName><givenNames>Robert W.</givenNames><familyName>Boessenecker</familyName></personName></creator></creators><affiliationGroup><affiliation countryCode="US" xml:id="zoj12108-aff-0001"><orgDiv>Department of Paleontology P.O. Box 121390</orgDiv><orgName>San Diego Natural History Museum</orgName><address><city>San Diego</city><countryPart>California</countryPart><postCode>92112</postCode><country>USA</country></address></affiliation><affiliation countryCode="US" xml:id="zoj12108-aff-0002"><orgDiv>Department of Earth and Environmental Sciences</orgDiv><orgName>University of Michigan</orgName><address><street>1109 Geddes Avenue</street><city>Ann Arbor</city><countryPart>Michigan</countryPart><postCode>48109</postCode><country>USA</country></address></affiliation><affiliation countryCode="NZ" xml:id="zoj12108-aff-0003"><orgDiv>Department of Geology</orgDiv><orgName>University of Otago</orgName><address><street>P.O. Box 56</street><city>Dunedin</city><postCode>9054</postCode><country>New Zealand</country></address></affiliation><affiliation countryCode="US" xml:id="zoj12108-aff-0004"><orgDiv>University of California Museum of Paleontology</orgDiv><orgName>University of California</orgName><address><street>1101 Valley Life Sciences Building</street> <city>Berkeley</city><countryPart>California</countryPart><postCode>94720</postCode><country>USA</country></address></affiliation></affiliationGroup><keywordGroup type="author"><keyword xml:id="zoj12108-kwd-0001"><i><fc>C</fc>aperea</i> − functional morphology</keyword><keyword xml:id="zoj12108-kwd-0002">palaeontology</keyword><keyword xml:id="zoj12108-kwd-0003">phylogeny</keyword><keyword xml:id="zoj12108-kwd-0004">systematics</keyword></keywordGroup><fundingInfo><fundingAgency>NSF</fundingAgency></fundingInfo><fundingInfo><fundingAgency>University of Otago Doctoral Scholarship</fundingAgency></fundingInfo><fundingInfo><fundingAgency>University of Michigan Department of Earth and Environmental Sciences Departmental Fellowship</fundingAgency></fundingInfo><supportingInformation><supportingInfoItem><mediaResource alt="docx" href="urn-x:wiley:00244082:media:zoj12108:zoj12108-sup-0001-si"></mediaResource><caption><p><b>Appendix S1.</b> Specimens utilized.</p><p><b>Appendix S2.</b> Character list.</p><p><b>Appendix S3.</b> Character‐taxon data matrix.</p></caption></supportingInfoItem></supportingInformation><abstractGroup><abstract type="main"><p>The extinct edentulous mysticete family <fc>C</fc>etotheriidae historically has been viewed as a notoriously paraphyletic group, and only recently have rigorous studies been executed to rectify this issue. These problems do not necessarily just stem from lack of phylogenetic analyses, but are in part because of a general lack of complete specimens, poor descriptions of taxa, and long‐lived taxonomic instability issues. The fossil mysticete genus <i><fc>H</fc>erpetocetus</i> is a poster child of these problems as it is primarily only known from a few relatively incomplete and poorly described specimens. A new species of <i><fc>H</fc>erpetocetus</i> from the upper <fc>P</fc>liocene of <fc>C</fc>alifornia, <i><b><fc>H</fc></b></i><b><i>erpetocetus morrowi</i> sp. nov.</b>, provides an archetypal model for the genus based on a multitude of well‐preserved specimens. These specimens reveal a diminutive mysticete characterized by an elongate rostrum and roughly quadrate cranium. A mosaic of primitive and derived features preserved in this new species underscores its potential value in helping to resolve a number of taxonomic and phylogenetic problems. The occurrence of specimens assignable to juvenile through to mature adult individuals provides a basis for investigating ontogenetic changes. Functional analysis of the unusual craniomandibular anatomy of <i><fc>H</fc>. morrowi</i> suggests a limited degree of mandibular gape and an enhanced capacity for longitudinal rotation of the dentary, features that support a hypothesis of suction feeding convergent with that of living grey whales. A phylogenetic analysis provides support for recognition of a redefined and monophyletic <fc>C</fc>etotheriidae and <fc>H</fc>erpetocetinae, and also serves as a basis for evaluating the recent proposal that the pygmy right whale (<i><fc>C</fc>aperea marginata</i>) is a living cetothere. Morphological features of <i><fc>H</fc>erpetocetus morrowi</i>, including features of the cranium and petrosal, suggest that a number of the purported synapomorphies supporting a <i><fc>C</fc>aperea</i>−cetothere grouping are either symplesiomorphies, nonhomologous features, or are highly variable. © 2014 The Linnean Society of London</p></abstract></abstractGroup></contentMeta></header> </component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Herpetocetus morrowi (Cetacea: Mysticeti), a new species of diminutive baleen whale from the Upper Pliocene (Piacenzian) of California, USA, with observations on the evolution and relationships of the Cetotheriidae</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>A New Pliocene‐Age Cetotheriid</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Herpetocetus morrowi (Cetacea: Mysticeti), a new species of diminutive baleen whale from the Upper Pliocene (Piacenzian) of California, USA, with observations on the evolution and relationships of the Cetotheriidae</title></titleInfo><name type="personal"><namePart type="given">Joseph J.</namePart><namePart type="family">El Adli</namePart><affiliation>Department of Paleontology P.O. Box 121390, San Diego Natural History Museum, 92112, San Diego, California, USA</affiliation><affiliation>Department of Earth and Environmental Sciences, University of Michigan, 1109 Geddes Avenue, Michigan, 48109, Ann Arbor, USA</affiliation><affiliation>E-mail: jeladli@umich.edu</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Thomas A.</namePart><namePart type="family">Deméré</namePart><affiliation>Department of Paleontology P.O. Box 121390, San Diego Natural History Museum, California, 92112, San Diego, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Robert W.</namePart><namePart type="family">Boessenecker</namePart><affiliation>Department of Geology, University of Otago, P.O. Box 56, 9054, Dunedin, New Zealand</affiliation><affiliation>University of California Museum of Paleontology, University of California, 1101 Valley Life Sciences Building, California, 94720, Berkeley, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-6N5SZHKN-D">article</genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><dateIssued encoding="w3cdtf">2014-02</dateIssued><dateCreated encoding="w3cdtf">2013-12-17</dateCreated><dateCaptured encoding="w3cdtf">2013-08-24</dateCaptured><dateValid encoding="w3cdtf">2013-10-21</dateValid><copyrightDate encoding="w3cdtf">2014</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><extent unit="figures">40</extent></physicalDescription><abstract>The extinct edentulous mysticete family Cetotheriidae historically has been viewed as a notoriously paraphyletic group, and only recently have rigorous studies been executed to rectify this issue. These problems do not necessarily just stem from lack of phylogenetic analyses, but are in part because of a general lack of complete specimens, poor descriptions of taxa, and long‐lived taxonomic instability issues. The fossil mysticete genus Herpetocetus is a poster child of these problems as it is primarily only known from a few relatively incomplete and poorly described specimens. A new species of Herpetocetus from the upper Pliocene of California, Herpetocetus morrowi sp. nov., provides an archetypal model for the genus based on a multitude of well‐preserved specimens. These specimens reveal a diminutive mysticete characterized by an elongate rostrum and roughly quadrate cranium. A mosaic of primitive and derived features preserved in this new species underscores its potential value in helping to resolve a number of taxonomic and phylogenetic problems. The occurrence of specimens assignable to juvenile through to mature adult individuals provides a basis for investigating ontogenetic changes. Functional analysis of the unusual craniomandibular anatomy of H. morrowi suggests a limited degree of mandibular gape and an enhanced capacity for longitudinal rotation of the dentary, features that support a hypothesis of suction feeding convergent with that of living grey whales. A phylogenetic analysis provides support for recognition of a redefined and monophyletic Cetotheriidae and Herpetocetinae, and also serves as a basis for evaluating the recent proposal that the pygmy right whale (Caperea marginata) is a living cetothere. Morphological features of Herpetocetus morrowi, including features of the cranium and petrosal, suggest that a number of the purported synapomorphies supporting a Caperea−cetothere grouping are either symplesiomorphies, nonhomologous features, or are highly variable. © 2014 The Linnean Society of London</abstract><note type="additional physical form">Appendix S1. Specimens utilized. Appendix S2. Character list. Appendix S3. Character‐taxon data matrix.</note><note type="funding">NSF</note><note type="funding">University of Otago Doctoral Scholarship</note><note type="funding">University of Michigan Department of Earth and Environmental Sciences Departmental Fellowship</note><subject><genre>keywords</genre><topic>Caperea − functional morphology</topic><topic>palaeontology</topic><topic>phylogeny</topic><topic>systematics</topic></subject><relatedItem type="host"><titleInfo><title>Zoological Journal of the Linnean Society</title></titleInfo><titleInfo type="abbreviated"><title>Zool J Linn Soc</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><subject><genre>article-category</genre><topic>Original Article</topic></subject><identifier type="ISSN">0024-4082</identifier><identifier type="eISSN">1096-3642</identifier><identifier type="DOI">10.1111/(ISSN)1096-3642</identifier><identifier type="PublisherID">ZOJ</identifier><part><date>2014</date><detail type="volume"><caption>vol.</caption><number>170</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>400</start><end>466</end><total>66</total></extent></part></relatedItem><identifier type="istex">1196266749D8F4604270E1AA16EFDEF83A5FFE66</identifier><identifier type="ark">ark:/67375/WNG-2H4M53D3-C</identifier><identifier type="DOI">10.1111/zoj.12108</identifier><identifier type="ArticleID">ZOJ12108</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2014 The Linnean Society of London© 2014 The Linnean Society of London</accessCondition><recordInfo><recordContentSource authority="ISTEX" authorityURI="https://loaded-corpus.data.istex.fr" valueURI="https://loaded-corpus.data.istex.fr/ark:/67375/XBH-L0C46X92-X">wiley</recordContentSource></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/1196266749D8F4604270E1AA16EFDEF83A5FFE66/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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