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<document ID-DOI="10.1093/zoolinnean/zlac041" ID-ISSN="0024-4082" ID-Zenodo-Dep="7381236" approvalRequired="21" approvalRequired_for_taxonomicNames="21" checkinTime="1669808169041" checkinUser="plazi" docAuthor="Casali, Daniel M, Boscaini, Alberto, Gaudin, Timothy J &amp; Perini, Fernando A" docDate="2022" docId="03EF87B8FFF0FF97FF0CF90CC40D941E" docLanguage="en" docName="zlac041.pdf" docOrigin="Zoological Journal of the Linnean Society 196 (4)" docSource="https://academic.oup.com/zoolinnean/article/196/4/1505/6617197" docStyle="DocumentStyle:36B3BD6A90C22AB4F7F465C853188CC8.7:ZoolJLinnSoc.2017-.journal_article" docStyleId="36B3BD6A90C22AB4F7F465C853188CC8" docStyleName="ZoolJLinnSoc.2017-.journal_article" docStyleVersion="7" docTitle="Megatheriidae" docType="treatment" docVersion="1" lastPageNumber="1528" masterDocId="FFD6FFC0FFE7FF80FFAFFFC3C1119741" masterDocTitle="Reassessing the phylogeny and divergence times of sloths (Mammalia: Pilosa: Folivora), exploring alternative morphological partitioning and dating models" masterLastPageNumber="1551" masterPageNumber="1505" pageNumber="1528" updateTime="1669985971716" updateUser="diego">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Reassessing the phylogeny and divergence times of sloths (Mammalia: Pilosa: Folivora), exploring alternative morphological partitioning and dating models</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Casali, Daniel M</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Boscaini, Alberto</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Gaudin, Timothy J</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Perini, Fernando A</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>Zoological Journal of the Linnean Society</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-12-01</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>196</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>4</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1505</mods:start>
<mods:end>1551</mods:end>
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<mods:url>https://academic.oup.com/zoolinnean/article/196/4/1505/6617197</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.1093/zoolinnean/zlac041</mods:identifier>
<mods:identifier type="ISSN">0024-4082</mods:identifier>
<mods:identifier type="Zenodo-Dep">7381236</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:plazi:treatment:03EF87B8FFF0FF97FF0CF90CC40D941E" httpUri="http://treatment.plazi.org/id/03EF87B8FFF0FF97FF0CF90CC40D941E" lastPageNumber="1528" pageId="23" pageNumber="1528">
<subSubSection box="[163,343,1743,1767]" pageId="23" pageNumber="1528" type="nomenclature">
<paragraph blockId="23.[163,343,1743,1767]" box="[163,343,1743,1767]" pageId="23" pageNumber="1528">
<taxonomicName box="[163,343,1743,1767]" class="Mammalia" family="Megatheriidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pilosa" pageId="23" pageNumber="1528" phylum="Chordata" rank="family">Megatheriidae</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="23" pageNumber="1528" type="discussion">
<paragraph blockId="23.[163,778,1784,1898]" box="[163,630,1784,1805]" pageId="23" pageNumber="1528">PP = 100, age = 20.43 Mya (18.2822.99).</paragraph>
<paragraph blockId="23.[163,778,1784,1898]" lastBlockId="23.[827,1443,197,863]" pageId="23" pageNumber="1528">
This clade is composed of the genus
<taxonomicName authorityName="Ameghino" authorityYear="1891" box="[603,778,1814,1835]" class="Mammalia" family="Megalonychidae" genus="Analcimorphus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pilosa" pageId="23" pageNumber="1528" phylum="Chordata" rank="genus">
<emphasis box="[603,778,1814,1835]" italics="true" pageId="23" pageNumber="1528">Analcimorphus</emphasis>
</taxonomicName>
and the clades
<taxonomicName box="[343,522,1845,1867]" pageId="23" pageNumber="1543" rank="subFamily" subFamily="Prepotheriinae">Prepotheriinae</taxonomicName>
,
<taxonomicName box="[534,726,1845,1867]" class="Mammalia" family="Nothrotheriidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pilosa" pageId="23" pageNumber="1528" phylum="Chordata" rank="subFamily" subFamily="Nothrotheriinae">Nothrotheriinae</taxonomicName>
and
<taxonomicName authorityName="Gill" authorityYear="1872" box="[163,341,1876,1898]" class="Mammalia" family="Megatheriidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pilosa" pageId="23" pageNumber="1528" phylum="Chordata" rank="subFamily" subFamily="Megatheriinae">Megatheriinae</taxonomicName>
.
<taxonomicName box="[353,527,1876,1898]" class="Mammalia" family="Megatheriidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pilosa" pageId="23" pageNumber="1528" phylum="Chordata" rank="family">Megatheriidae</taxonomicName>
was recovered in all MP analyses and all BI analyses with H models, and was absent in all analyses with UN and A models, given the nested position of Mylodontoidea in this clade.
<taxonomicName authorityName="Ameghino" authorityYear="1891" box="[899,1075,289,310]" class="Mammalia" family="Megalonychidae" genus="Analcimorphus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pilosa" pageId="23" pageNumber="1528" phylum="Chordata" rank="genus">
<emphasis box="[899,1075,289,310]" italics="true" pageId="23" pageNumber="1528">Analcimorphus</emphasis>
</taxonomicName>
was consistently recovered as a stem member of this clade.
</paragraph>
<paragraph blockId="23.[827,1443,197,863]" pageId="23" pageNumber="1528">
<taxonomicName box="[851,1017,350,372]" class="Mammalia" family="Megatheriidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Pilosa" pageId="23" pageNumber="1528" phylum="Chordata" rank="family">Megatheriidae</taxonomicName>
was supported by 12 synapomorphies (eight for both methods and four exclusively for BI): presence of fossa anterior to Cf1 (BI); snout length greater than its width, but no longer than two times the width; uniform nasal width in its posterior half, with lateral margins parallel (BI); premolariform portion of palate roughly equal or longer than molariform toothrow; absence of a crest at median suture of palatine (BI); absence of a marked postorbital constriction; well-developed ventral nuchal crest; carotid foramen fully covered in ventral view; entotympanic dorsal edge with a strong concave curvature in lateral view, and a dorsal projection at anterior end; entotympanic forming almost the entire floor of the tympanic cavity medial wall; nuchal and exoccipital crests parallel (BI); and lateral expansion of metatarsal V proximolaterally oriented.
</paragraph>
</subSubSection>
</treatment>
</document>