229 lines
19 KiB
XML
229 lines
19 KiB
XML
<document ID-DOI="http://doi.org/10.5281/zenodo.4659342" ID-GBIF-Dataset="0c7614b2-dba9-4640-b42c-348382dfe59b" ID-GBIF-Taxon="180789246" ID-ISSN="0067-1975" ID-Zenodo-Dep="4659342" checkinTime="1617226809017" checkinUser="felipe" docAuthor="Groves, C. P. & Flannery, Tim F." docDate="1994" docId="DD3387ECFFDC665572173174FBA2F63D" docLanguage="en" docName="RecAustMus.46.2.145-169.pdf.imf" docOrigin="Records of the Australian Museum 46 (2)" docSource="https://journals.australian.museum/groves-and-flannery-1994-rec-aust-mus-462-145169/" docStyle="DocumentStyle:D3147822FB22E0797CFA40BA2FBFB595.2:RecAustMus.1986-1997.journal_article" docStyleId="D3147822FB22E0797CFA40BA2FBFB595" docStyleName="RecAustMus.1986-1997.journal_article" docStyleVersion="2" docTitle="Uromys (Cyromys) porculus" docType="treatment" docVersion="6" lastPageId="6" lastPageNumber="151" masterDocId="210AFF94FFD96653775A3829FF9EFFD1" masterDocTitle="A revision of the genus Uromys Peters, 1867 (Muridae: Mammalia) with descriptions of two new species" masterLastPageNumber="169" masterPageNumber="145" pageId="5" pageNumber="150" updateTime="1632022083230" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A revision of the genus Uromys Peters, 1867 (Muridae: Mammalia) with descriptions of two new species</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Groves, C. P.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Flannery, Tim F.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>Records of the Australian Museum</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>1994</mods:date>
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<mods:detail type="pubDate">
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<mods:number>1994-07-28</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>46</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>2</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>145</mods:start>
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<mods:end>169</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>https://journals.australian.museum/groves-and-flannery-1994-rec-aust-mus-462-145169/</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.3853/j.0067-1975.46.1994.12</mods:identifier>
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<mods:identifier type="GBIF-Dataset">0c7614b2-dba9-4640-b42c-348382dfe59b</mods:identifier>
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<mods:identifier type="ISSN">0067-1975</mods:identifier>
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<mods:identifier type="Zenodo-Dep">4654701</mods:identifier>
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</mods:mods>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.4659342" ID-GBIF-Taxon="180789246" ID-Zenodo-Dep="4659342" LSID="urn:lsid:plazi:treatment:DD3387ECFFDC665572173174FBA2F63D" httpUri="http://treatment.plazi.org/id/DD3387ECFFDC665572173174FBA2F63D" lastPageId="6" lastPageNumber="151" pageId="5" pageNumber="150">
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<subSubSection box="[1357,2168,2397,2440]" pageId="5" pageNumber="150" type="nomenclature">
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<paragraph blockId="5.[1357,2168,2397,2440]" box="[1357,2168,2397,2440]" pageId="5" pageNumber="150">
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<heading box="[1357,2045,2397,2440]" fontSize="10" level="2" pageId="5" pageNumber="150" reason="2">
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<taxonomicName authority="(Thomas" box="[1357,2039,2397,2440]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="5" pageNumber="150" phylum="Chordata" rank="species" species="porculus" subGenus="Cyromys">
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<emphasis box="[1357,1865,2397,2440]" italics="true" pageId="5" pageNumber="150">Uromys (Cyromys) porculus</emphasis>
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(Thomas
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</taxonomicName>
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,
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</heading>
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1904)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="150" type="materials_examined">
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<paragraph blockId="5.[1270,2250,2519,2597]" pageId="5" pageNumber="150">
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Type material.
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<materialsCitation ID-GBIF-Occurrence="3066985302" collectionCode="BM" collectorName="C. M. Woodford." location="Guadalcanal" pageId="5" pageNumber="150" specimenCode="BM 89.4" specimenCount="1" stateProvince="Guadalcanal" typeStatus="holotype">
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<typeStatus box="[1611,1778,2519,2555]" pageId="5" pageNumber="150">HOLOTYPE</typeStatus>
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, adult male
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<specimenCode box="[2026,2189,2519,2555]" collectionCode="BM" country="United Kingdom" name="Bristol Museum" pageId="5" pageNumber="150">BM 89.4</specimenCode>
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.3.8, collected at Aola,
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<collectingRegion box="[1577,1769,2561,2597]" country="Solomon Islands" name="Guadalcanal" pageId="5" pageNumber="150">Guadalcanal</collectingRegion>
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, by
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<collectorName box="[1852,2113,2561,2597]" pageId="5" pageNumber="150">C.M. Woodford.</collectorName>
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</materialsCitation>
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</paragraph>
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<paragraph blockId="5.[1269,2257,2666,3212]" pageId="5" pageNumber="150">
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Revised diagnosis. Smaller than any other species of
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<emphasis box="[1273,1610,2712,2752]" italics="true" pageId="5" pageNumber="150">
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<taxonomicName authority="" authorityName="Thomas" authorityYear="1910" box="[1273,1604,2712,2752]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="5" pageNumber="150" phylum="Chordata" rank="subGenus" subGenus="Cyromys">Uromys (Cyromys)</taxonomicName>
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,
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</emphasis>
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and brown rather than grey above with fur not woolly in texture; also unique by virtue of its possession of grey based belly fur and in having a more finely scaled tail (13-14 scales per cm). The skull is longer and narrower than in
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<emphasis box="[1845,1964,2896,2936]" italics="true" pageId="5" pageNumber="150">
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<taxonomicName baseAuthorityName="Thomas" baseAuthorityYear="1888" box="[1845,1958,2896,2936]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="5" pageNumber="150" phylum="Chordata" rank="species" species="rex">U. rex</taxonomicName>
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,
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</emphasis>
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and the molars relatively narrower than in
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<emphasis box="[1812,2055,2942,2982]" italics="true" pageId="5" pageNumber="150">
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<taxonomicName baseAuthorityName="Thomas" baseAuthorityYear="1888" box="[1812,2050,2942,2982]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="5" pageNumber="150" phylum="Chordata" rank="species" species="imperator">U. imperator</taxonomicName>
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.
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</emphasis>
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It differs additionally from
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<emphasis box="[1598,1719,2988,3028]" italics="true" pageId="5" pageNumber="150">
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<taxonomicName baseAuthorityName="Thomas" baseAuthorityYear="1888" box="[1598,1713,2988,3028]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="5" pageNumber="150" phylum="Chordata" rank="species" species="rex">U. rex</taxonomicName>
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,
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</emphasis>
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and resembles
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<emphasis box="[2015,2250,2988,3028]" italics="true" pageId="5" pageNumber="150">
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<taxonomicName baseAuthorityName="Thomas" baseAuthorityYear="1888" box="[2015,2244,2988,3028]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="5" pageNumber="150" phylum="Chordata" rank="species" species="imperator">U. imperator</taxonomicName>
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,
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</emphasis>
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in its less prominent frontotemporal ridges and its subvertical ascending ramus, and from both
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<taxonomicName baseAuthorityName="Thomas" baseAuthorityYear="1888" box="[2065,2175,3080,3120]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="5" pageNumber="150" phylum="Chordata" rank="species" species="rex">
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<emphasis box="[2065,2175,3080,3120]" italics="true" pageId="5" pageNumber="150">U. rex</emphasis>
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</taxonomicName>
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and
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<taxonomicName baseAuthorityName="Thomas" baseAuthorityYear="1888" box="[1272,1508,3126,3165]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="5" pageNumber="150" phylum="Chordata" rank="species" species="imperator">
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<emphasis box="[1272,1508,3126,3165]" italics="true" pageId="5" pageNumber="150">U. imperator</emphasis>
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</taxonomicName>
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in its more nearly parallel zygomatic arches and broad-arched nasofrontal suture.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="151" type="discussion">
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<paragraph blockId="6.[213,1204,382,2540]" pageId="6" pageNumber="151">
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<emphasis bold="true" box="[268,471,382,422]" pageId="6" pageNumber="151">Discussion.</emphasis>
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Although the only known specimen was described in 1904, the date of registration (1889), and the fact that it was collected by Woodford at Aola, suggest that this specimen was probably collected at the same time as the original
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<taxonomicName baseAuthorityName="Thomas" baseAuthorityYear="1888" box="[784,888,567,606]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="species" species="rex">
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<emphasis box="[784,888,567,606]" italics="true" pageId="6" pageNumber="151">U. rex</emphasis>
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</taxonomicName>
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and
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<taxonomicName baseAuthorityName="Thomas" baseAuthorityYear="1888" box="[982,1202,567,606]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="species" species="imperator">
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<emphasis box="[982,1202,567,606]" italics="true" pageId="6" pageNumber="151">U. imperator</emphasis>
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</taxonomicName>
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material or shortly thereafter. The very short tail of this species suggests that it may have been terrestrial. Questioning local people by one of us (TFF) reveals that today there is no clear local knowledge of this species, and it is probably extinct. If this is so, then evidently both terrestrial species of
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<collectingRegion box="[978,1200,843,883]" country="Solomon Islands" name="Guadalcanal" pageId="6" pageNumber="151">Guadalcanal</collectingRegion>
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<taxonomicName authorityName="Peters" authorityYear="1867" box="[223,352,889,929]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">
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<emphasis box="[223,352,889,929]" italics="true" pageId="6" pageNumber="151">Uromys</emphasis>
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</taxonomicName>
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are probably now extinct, while the only arboreal species survives.
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</paragraph>
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<paragraph blockId="6.[213,1204,382,2540]" pageId="6" pageNumber="151">
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The only known skull of
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<taxonomicName box="[728,926,981,1021]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="species" species="porculus">
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<emphasis box="[728,926,981,1021]" italics="true" pageId="6" pageNumber="151">U. porculus</emphasis>
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</taxonomicName>
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has the molars so worn that few details of the crown remain. The soft palate is unknown. We assign it to
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<emphasis box="[865,1198,1074,1114]" italics="true" pageId="6" pageNumber="151">
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<taxonomicName authority="" authorityName="Thomas" authorityYear="1910" box="[865,1192,1074,1114]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="subGenus" subGenus="Cyromys">Uromys (Cyromys)</taxonomicName>
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,
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</emphasis>
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rather than to
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<emphasis box="[485,632,1120,1160]" italics="true" pageId="6" pageNumber="151">
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<taxonomicName authorityName="Thomas" authorityYear="1922" box="[485,626,1120,1160]" class="Mammalia" family="Muridae" genus="Solomys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">Solomys</taxonomicName>
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,
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</emphasis>
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for the following reasons. The anterolateral spur of the bulla is very large, as is typical of the species of
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<emphasis box="[532,670,1212,1252]" italics="true" pageId="6" pageNumber="151">
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<taxonomicName authorityName="Peters" authorityYear="1867" box="[532,664,1212,1252]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">Uromys</taxonomicName>
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,
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</emphasis>
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but not
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<taxonomicName authorityName="Thomas" authorityYear="1922" box="[829,967,1212,1252]" class="Mammalia" family="Muridae" genus="Solomys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">
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<emphasis box="[829,967,1212,1252]" italics="true" pageId="6" pageNumber="151">Solomys</emphasis>
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</taxonomicName>
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or
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<emphasis box="[1037,1197,1212,1252]" italics="true" pageId="6" pageNumber="151">
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<taxonomicName authorityName="Thomas" authorityYear="1922" box="[1037,1192,1212,1252]" class="Mammalia" family="Muridae" genus="Melomys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">Melomys</taxonomicName>
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.
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</emphasis>
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This enlargement of the anterolateral spur of the bulla appears to be synapomorphic of
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<taxonomicName authorityName="Peters" authorityYear="1867" box="[799,926,1304,1344]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">
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<emphasis box="[799,926,1304,1344]" italics="true" pageId="6" pageNumber="151">Uromys</emphasis>
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</taxonomicName>
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if any other of the Melanesian mosaic-tailed murid genera
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<emphasis italics="true" pageId="6" pageNumber="151">
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(
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<taxonomicName authorityName="Thomas" authorityYear="1922" box="[1035,1192,1350,1390]" class="Mammalia" family="Muridae" genus="Melomys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">Melomys</taxonomicName>
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,
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<taxonomicName authorityName="Thomas" authorityYear="1922" box="[217,361,1396,1436]" class="Mammalia" family="Muridae" genus="Solomys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">Solomys</taxonomicName>
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,
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<taxonomicName authorityName="Rummler" authorityYear="1936" box="[390,671,1396,1436]" class="Mammalia" family="Muridae" genus="Pogonomelomys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">Pogonomelomys</taxonomicName>
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)
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</emphasis>
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is taken as an outgroup. A second feature typical of the species of
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<taxonomicName authorityName="Peters" authorityYear="1867" box="[942,1070,1442,1482]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">
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<emphasis box="[942,1070,1442,1482]" italics="true" pageId="6" pageNumber="151">Uromys</emphasis>
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</taxonomicName>
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is that the bony palate extends to a level near the posterior end of M3. This is also a derived condition for
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<emphasis box="[1059,1198,1534,1574]" italics="true" pageId="6" pageNumber="151">
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<taxonomicName authorityName="Peters" authorityYear="1867" box="[1059,1192,1534,1574]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">Uromys</taxonomicName>
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,
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</emphasis>
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being unknown in other mosaic-tailed rats. Furthermore, the palate shows no sign of thickening or the development of a large post palatal spine as is seen in the species of
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<emphasis box="[517,664,1719,1758]" italics="true" pageId="6" pageNumber="151">
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<taxonomicName authorityName="Thomas" authorityYear="1922" box="[517,659,1719,1758]" class="Mammalia" family="Muridae" genus="Solomys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">Solomys</taxonomicName>
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.
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</emphasis>
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The skull is elongate and narrow (a common feature in
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<emphasis box="[757,907,1765,1804]" italics="true" pageId="6" pageNumber="151">
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<taxonomicName authorityName="Peters" authorityYear="1867" box="[757,891,1765,1804]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">Uromys</taxonomicName>
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).
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</emphasis>
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As
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<taxonomicName box="[996,1198,1765,1804]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="species" species="porculus">
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<emphasis box="[996,1198,1765,1804]" italics="true" pageId="6" pageNumber="151">U. porculus</emphasis>
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</taxonomicName>
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shows no derived features typical of other Melanesian murid genera, we are confident that we are correct in placing it within
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<emphasis box="[520,656,1903,1943]" italics="true" pageId="6" pageNumber="151">
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<taxonomicName authorityName="Peters" authorityYear="1867" box="[520,651,1903,1943]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">Uromys</taxonomicName>
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.
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</emphasis>
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The placement within
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<taxonomicName authority="" authorityName="Thomas" authorityYear="1910" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="subGenus" subGenus="Cyromys">
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<emphasis italics="true" pageId="6" pageNumber="151">Uromys (Cyromys)</emphasis>
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</taxonomicName>
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is somewhat more problematic; but it lacks all of the derived features for
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<emphasis box="[858,1101,1995,2034]" italics="true" pageId="6" pageNumber="151">
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U. (
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<taxonomicName authorityName="Peters" authorityYear="1867" box="[941,1083,1995,2034]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="genus">Uromys</taxonomicName>
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),
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</emphasis>
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and possesses the apparently derived states of the orbitotemporal fossa, frontotemporal and coronal sutures, preorbital foramen and ascending ramus orientation which characterise
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<emphasis box="[768,1011,2179,2218]" italics="true" pageId="6" pageNumber="151">
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U. (
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<taxonomicName authorityName="Thomas" authorityYear="1910" box="[838,995,2179,2218]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="166" phylum="Chordata" rank="subGenus" subGenus="Cyromys">Cyromys</taxonomicName>
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).
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</emphasis>
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Also, the tail scales are widely spaced, mainly flat but slightly raised distally, rounded or bluntly pointed, and some have one to three longitudinal ridges. Within the subgenus it clearly retains primitive features in its external morphology and the morphology of the zygomatic arches and posterior nasals. Cladistically, it is the sister taxon to
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<taxonomicName baseAuthorityName="Thomas" baseAuthorityYear="1888" box="[624,738,2500,2540]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="species" species="rex">
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<emphasis box="[624,738,2500,2540]" italics="true" pageId="6" pageNumber="151">U. rex</emphasis>
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</taxonomicName>
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and
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<emphasis box="[848,1084,2500,2540]" italics="true" pageId="6" pageNumber="151">
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<taxonomicName baseAuthorityName="Thomas" baseAuthorityYear="1888" box="[848,1079,2500,2540]" class="Mammalia" family="Muridae" genus="Uromys" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="151" phylum="Chordata" rank="species" species="imperator">U. imperator</taxonomicName>
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.
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</emphasis>
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|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |