210 lines
21 KiB
XML
210 lines
21 KiB
XML
<document id="41BE5F8453D880EDF736F540FCCF8B2E" ID-DOI="10.1206/0003-0090(2000)244<0001:MOTRJA>2.0.CO;2" ID-ISSN="0003-0090" ID-Zenodo-Dep="5347311" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1630203687125" checkinUser="felipe" docAuthor="PATTON, JAMES L., DA SILVA, MARIA NAZARETH F. & MALCOLM, JAY R." docDate="2000" docId="039E01774BD6D8C3FCC8309DB32EF9CF" docLanguage="en" docName="B244.pdf" docOrigin="Bulletin of the American Museum of Natural History 2000 (244)" docSource="http://www.bioone.org/perlserv/?request=get-abstract&doi=10.1206%2F0003-0090(2000)244%3C0001%3AMOTRJA%3E2.0.CO%3B2" docStyle="DocumentStyle:2B34016C1EBFE58B07368F9517618743.3:BulAmeMusNatHis.2000-2010.journal_article.0cover.type1" docStyleId="2B34016C1EBFE58B07368F9517618743" docStyleName="BulAmeMusNatHis.2000-2010.journal_article.0cover.type1" docStyleVersion="3" docTitle="Oecomys trinitatis" docType="treatment" docVersion="3" lastPageNumber="132" masterDocId="FFA7790F4B54D840FFB7335EB74EFFCF" masterDocTitle="Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia" masterLastPageNumber="306" masterPageNumber="1" pageNumber="131" updateTime="1699183939665" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
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<mods:title id="FB45AF20D923A96D1B5170F8A17CAC8F">Mammals Of The Rio Juruá And The Evolutionary And Ecological Diversification Of Amazonia</mods:title>
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<mods:namePart id="DB7DDD418893FE00A881D7BB97F504D5">PATTON, JAMES L.</mods:namePart>
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<mods:namePart id="594383CADC91C7D080EAA8F76B4739B3">DA SILVA, MARIA NAZARETH F.</mods:namePart>
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<mods:namePart id="881A162A43A300D4677D4A8C2685C4EB">MALCOLM, JAY R.</mods:namePart>
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<mods:typeOfResource id="083AF0A95586F09BCD7BB8941E90CC20">text</mods:typeOfResource>
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<mods:title id="F2A3A25AA237D25CFB38771A1E18E32A">Bulletin of the American Museum of Natural History</mods:title>
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<mods:part id="137B03C0399E3C447E6833FA598767A4">
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<mods:date id="EDF163636E61940288960D14548A6C62">2000</mods:date>
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<mods:number id="2353240DAAEEA88FD180525442B11DA9">2000-01-25</mods:number>
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<mods:number id="E33328627FEA8F0AF149CD7ACFCA6E2B">2000</mods:number>
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<mods:number id="123358DF23E02EF2C57B0E51312A4CCD">244</mods:number>
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<mods:identifier id="A9353761DBB8AB95870FEA8F05D9CB7E" type="DOI">10.1206/0003-0090(2000)244<0001:MOTRJA>2.0.CO;2</mods:identifier>
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<treatment id="039E01774BD6D8C3FCC8309DB32EF9CF" LSID="urn:lsid:plazi:treatment:039E01774BD6D8C3FCC8309DB32EF9CF" httpUri="http://treatment.plazi.org/id/039E01774BD6D8C3FCC8309DB32EF9CF" lastPageId="131" lastPageNumber="132" pageId="130" pageNumber="131">
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<subSubSection id="C32DE3EA4BD6D8C2FCC8309DB3DEFC38" pageId="130" pageNumber="131" type="nomenclature">
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<paragraph id="8B88B0614BD6D8C2FCC8309DB319FC15" blockId="130.[837,1168,963,1015]" box="[895,1111,963,986]" pageId="130" pageNumber="131">
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<heading id="D0C0070D4BD6D8C2FCC8309DB319FC15" box="[895,1111,963,986]" centered="true" fontSize="9" level="2" pageId="130" pageNumber="131" reason="2">
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<taxonomicName id="4C37CBE24BD6D8C2FCC8309DB319FC15" ID-CoL="48V5G" baseAuthorityName="J. A. Allen & Chapman" baseAuthorityYear="1893" box="[895,1111,963,986]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="130" pageNumber="131" phylum="Chordata" rank="species" species="trinitatis">
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<emphasis id="B9436C734BD6D8C2FCC8309DB319FC15" box="[895,1111,963,986]" italics="true" pageId="130" pageNumber="131">Oecomys trinitatis</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8B88B0614BD6D8C2FCF230BEB3DEFC38" blockId="130.[837,1168,963,1015]" box="[837,1168,992,1015]" pageId="130" pageNumber="131">
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<heading id="D0C0070D4BD6D8C2FCF230BEB3DEFC38" box="[837,1168,992,1015]" centered="true" fontSize="10" level="2" pageId="130" pageNumber="131" reason="4">(Allen and Chapman, 1893)</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C32DE3EA4BD6D8C2FCB7374AB3DDFB87" pageId="130" pageNumber="131" type="materials_examined">
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<paragraph id="8B88B0614BD6D8C2FCB7374AB3DDFB87" blockId="130.[739,1268,1044,1742]" pageId="130" pageNumber="131">
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<typeStatus id="548C0EC34BD6D8C2FCB7374AB477FBE5" box="[768,825,1044,1067]" pageId="130" pageNumber="131">TYPE</typeStatus>
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LOCALITY: ‘‘Princestown, Trinidad’’
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<collectingRegion id="49F37E834BD6D8C2FD54376FB4C8FB87" box="[739,902,1073,1096]" country="Trinidad and Tobago" name="Princes Town" pageId="130" pageNumber="131">Princes Town</collectingRegion>
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,
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<collectingCountry id="F320F0F14BD6D8C2FC22376FB3C0FB87" box="[917,1166,1073,1096]" name="Trinidad and Tobago" pageId="130" pageNumber="131">Trinidad and Tobago</collectingCountry>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="C32DE3EA4BD6D8C3FCB73710B5D3FA44" lastPageId="131" lastPageNumber="132" pageId="130" pageNumber="131" type="description">
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<paragraph id="8B88B0614BD6D8C3FCB73710B647FAA2" blockId="130.[739,1268,1044,1742]" lastBlockId="131.[167,696,604,1741]" lastPageId="131" lastPageNumber="132" pageId="130" pageNumber="131">
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DESCRIPTION: This is the second largest species present in the Rio Jurua´, but it cannot be distinguished in most mensural characters from
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<taxonomicName id="4C37CBE24BD6D8C2FC9337F9B4D7FB71" box="[804,921,1190,1214]" class="Mammalia" family="Muridae" genus="Oeomys" kingdom="Animalia" order="Rodentia" pageId="130" pageNumber="131" phylum="Chordata" rank="species" species="roberti">
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<emphasis id="B9436C734BD6D8C2FC9337F9B477FB71" box="[804,825,1191,1214]" italics="true" pageId="130" pageNumber="131">O</emphasis>
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.
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<emphasis id="B9436C734BD6D8C2FCFF37F9B4D7FB71" box="[840,921,1191,1214]" italics="true" pageId="130" pageNumber="131">roberti</emphasis>
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</taxonomicName>
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(fig. 83). The headandbody length averages
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<quantity id="4CCF1D844BD6D8C2FC1C379AB35DFB14" box="[939,1043,1220,1243]" metricMagnitude="-1" metricUnit="m" metricValue="1.3199999999999998" pageId="130" pageNumber="131" unit="mm" value="132.0">132 mm</quantity>
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, and the tail (
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<quantity id="4CCF1D844BD6D8C2FB71379AB45CFB37" metricMagnitude="-1" metricUnit="m" metricValue="1.6199999999999999" pageId="130" pageNumber="131" unit="mm" value="162.0">162 mm</quantity>
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) is much longer than the body (123%), either unicolored dark brown, or only slightly paler below, with scale rows visible to the eye (16 scale rows per cm), clothed with short hairs (<2 scale rows long), and terminating in a slight pencil. The hind feet are short and broad, but not as broad as in
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<taxonomicName id="4C37CBE24BD6D8C2FB6036CFB402FA09" authorityName="Thomas" authorityYear="1911" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="130" pageNumber="131" phylum="Chordata" rank="species" species="superans">
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<emphasis id="B9436C734BD6D8C2FB6036CFB3A2FA67" box="[1239,1260,1425,1448]" italics="true" pageId="130" pageNumber="131">O</emphasis>
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.
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<emphasis id="B9436C734BD6D8C2FD5436F1B402FA09" box="[739,844,1455,1478]" italics="true" pageId="130" pageNumber="131">superans</emphasis>
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</taxonomicName>
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; the toes are typically darker than the metatarsal area. The dorsal coloration is dull brown with a slight reddish perfusion; a bright orange lateral line separates the dorsal and ventral colors, especially in the shoulder and chin regions; and the ventral fur is graybased with pale buff or white tips. The dorsal hairs appear distinctly thin, giving the pelage a sleeker appearance than in either
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<taxonomicName id="4C37CBE24BD6D8C2FBC835C7B3BDF97F" box="[1151,1267,1689,1712]" class="Mammalia" family="Muridae" genus="Oeomys" kingdom="Animalia" order="Rodentia" pageId="130" pageNumber="131" phylum="Chordata" rank="species" species="roberti">
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<emphasis id="B9436C734BD6D8C2FBC835C7B3DAF97F" box="[1151,1172,1689,1712]" italics="true" pageId="130" pageNumber="131">O</emphasis>
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.
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<emphasis id="B9436C734BD6D8C2FB1535C7B3BDF97F" box="[1186,1267,1689,1712]" italics="true" pageId="130" pageNumber="131">roberti</emphasis>
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</taxonomicName>
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or
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<taxonomicName id="4C37CBE24BD6D8C2FCB235E9B4DBF901" authorityName="Thomas" authorityYear="1911" box="[773,917,1718,1742]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="130" pageNumber="131" phylum="Chordata" rank="species" species="superans">
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<emphasis id="B9436C734BD6D8C2FCB235E9B454F901" box="[773,794,1719,1742]" italics="true" pageId="130" pageNumber="131">O</emphasis>
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.
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<emphasis id="B9436C734BD6D8C2FC9B35E9B4DBF901" box="[812,917,1719,1742]" italics="true" pageId="130" pageNumber="131">superans</emphasis>
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</taxonomicName>
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, the latter which appears the most woolly, but the hair is of the same overall length. The skull (fig. 85) is somewhat narrower than that of other large species; zygomatic notches are shallow; supraorbital ledges are broad and strongly diverging; upper incisors are strongly opisthodont; an alisphenoid strut is present in three of
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<specimenCount id="9D317BE84BD7D8C3FDF03052B7A1FC8F" pageId="131" pageNumber="132" type="generic">five specimens</specimenCount>
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, at least on one side; the tegmen tympani is usually in contact with squamosal; the subsquamosal foramen is open as often as occluded; the hamular process of the squamosal is more elongate and narrower than in other species; the incisive foramen is short, broadest at its midpoint, and thus ovoid in shape; the toothrows are intermediate in length between those of
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<taxonomicName id="4C37CBE24BD7D8C3FE6C374AB518FBE4" box="[475,598,1044,1067]" class="Mammalia" family="Muridae" genus="Oeomys" kingdom="Animalia" order="Rodentia" pageId="131" pageNumber="132" phylum="Chordata" rank="species" species="roberti">
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<emphasis id="B9436C734BD7D8C3FE6C374AB6BEFBE4" box="[475,496,1044,1067]" italics="true" pageId="131" pageNumber="132">O</emphasis>
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.
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<emphasis id="B9436C734BD7D8C3FDB2374AB518FBE4" box="[517,598,1044,1067]" italics="true" pageId="131" pageNumber="132">roberti</emphasis>
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</taxonomicName>
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and
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<taxonomicName id="4C37CBE24BD7D8C3FD2C374AB65EFB87" authorityName="Thomas" authorityYear="1911" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="131" pageNumber="132" phylum="Chordata" rank="species" species="superans">
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<emphasis id="B9436C734BD7D8C3FD2C374AB5FEFBE4" box="[667,688,1044,1067]" italics="true" pageId="131" pageNumber="132">O</emphasis>
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.
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<emphasis id="B9436C734BD7D8C3FF10376FB65EFB87" box="[167,272,1073,1096]" italics="true" pageId="131" pageNumber="132">superans</emphasis>
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</taxonomicName>
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(MTRL 5.05; fig. 83); the posterior palatal pits are moderate in size and often divided; the mesopterygoid fossa is relatively narrow with an arched anterior border; the parapterygoid fossae are relatively shallow; and the bullae are very small and distinctly uninflated. Our samples are limited, but
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<taxonomicName id="4C37CBE24BD7D8C3FD2C37BFB645FAD9" baseAuthorityName="J. A. Allen & Chapman" baseAuthorityYear="1893" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="131" pageNumber="132" phylum="Chordata" rank="species" species="trinitatis">
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<emphasis id="B9436C734BD7D8C3FD2C37BFB5FEFB37" box="[667,688,1249,1272]" italics="true" pageId="131" pageNumber="132">O</emphasis>
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.
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<emphasis id="B9436C734BD7D8C3FF1037A1B645FAD9" box="[167,267,1279,1302]" italics="true" pageId="131" pageNumber="132">trinitatis</emphasis>
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</taxonomicName>
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cannot be distinguished from
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<taxonomicName id="4C37CBE24BD7D8C3FD2C37A1B7B6FAFC" class="Mammalia" family="Muridae" genus="Oeomys" kingdom="Animalia" order="Rodentia" pageId="131" pageNumber="132" phylum="Chordata" rank="species" species="roberti">
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<emphasis id="B9436C734BD7D8C3FD2C37A1B5FEFAD9" box="[667,688,1279,1302]" italics="true" pageId="131" pageNumber="132">O</emphasis>
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||
.
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<emphasis id="B9436C734BD7D8C3FF103642B7B6FAFC" box="[167,248,1308,1331]" italics="true" pageId="131" pageNumber="132">roberti</emphasis>
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</taxonomicName>
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by any cranial measurement, except the length of the incisive foramen (figs. 82 and 83).
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</paragraph>
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<caption id="DF48E0E94BD7D8C3FF7632ADB371FDED" ID-DOI="http://doi.org/10.5281/zenodo.5347507" ID-Zenodo-Dep="5347507" httpUri="https://zenodo.org/record/5347507/files/figure.png" pageId="131" pageNumber="132" startId="131.[193,231,499,520]" targetBox="[373,1062,188,475]" targetPageId="131">
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<paragraph id="8B88B0614BD7D8C3FF7632ADB3B9FDC7" blockId="131.[167,1271,499,546]" box="[193,1271,499,520]" pageId="131" pageNumber="132">
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Fig. 91. Karyotype of a female
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<taxonomicName id="4C37CBE24BD7D8C3FD9C32ADB5BBFDC7" box="[555,757,499,520]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="131" pageNumber="132" phylum="Chordata" rank="species" species="trinitatus">
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<emphasis id="B9436C734BD7D8C3FD9C32ADB5BBFDC7" box="[555,757,499,520]" italics="true" pageId="131" pageNumber="132">Oecomys trinitatus</emphasis>
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</taxonomicName>
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(2n = 58, FN = 96) collected from Colocação
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</paragraph>
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<paragraph id="8B88B0614BD7D8C3FF103153B371FDED" blockId="131.[167,1271,499,546]" box="[167,1087,525,546]" pageId="131" pageNumber="132">
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ViraVolta (locality
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<emphasis id="B9436C734BD7D8C3FEC93153B6D6FDED" bold="true" box="[382,408,525,546]" pageId="131" pageNumber="132">14</emphasis>
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), left bank Rio Jurua´, Estado do Amazonas, Brazil (JUR 472).
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</paragraph>
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</caption>
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<paragraph id="8B88B0614BD7D8C3FF73362AB5D3FA44" blockId="131.[167,696,604,1741]" box="[196,669,1396,1419]" pageId="131" pageNumber="132">SELECTED MEASUREMENTS: See table 29.</paragraph>
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</subSubSection>
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<subSubSection id="C32DE3EA4BD7D8C3FF7336CFB479FC1C" pageId="131" pageNumber="132" type="distribution">
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<paragraph id="8B88B0614BD7D8C3FF7336CFB321FD27" blockId="131.[167,696,604,1741]" lastBlockId="131.[743,1272,603,1536]" pageId="131" pageNumber="132">
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DISTRIBUTION AND HABITAT: This is apparently an uncommon but widely distributed species within the Rio Juruá basin. We found it at one or more localities within each of the four sampling regions (fig. 81), and on both sides of the river. Three were trapped on terra firme standardized lines (Penedo, locality
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<emphasis id="B9436C734BD7D8C3FD17351FB5E1F996" bold="true" box="[672,687,1601,1625]" pageId="131" pageNumber="132">7</emphasis>
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; Barro Vermelho, locality
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<emphasis id="B9436C734BD7D8C3FE623500B6BCF9B9" bold="true" box="[469,498,1630,1654]" pageId="131" pageNumber="132">12</emphasis>
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; and ViraVolta, locality
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<emphasis id="B9436C734BD7D8C3FEBE3525B668F95C" bold="true" box="[265,294,1659,1683]" pageId="131" pageNumber="132">14</emphasis>
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); two were taken on the edge of flooded forest (Viravolta, locality
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<emphasis id="B9436C734BD7D8C3FDE535C7B521F97E" bold="true" box="[594,623,1689,1713]" pageId="131" pageNumber="132">14</emphasis>
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), and three were taken on várzea standardized lines (opposite Igarapé Porongaba, locality
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<emphasis id="B9436C734BD7D8C3FB1A3105B3F2FDBC" bold="true" box="[1197,1212,603,627]" pageId="131" pageNumber="132">2</emphasis>
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, and Barro Vermelho, locality
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<emphasis id="B9436C734BD7D8C3FBA13127B37DFD5E" bold="true" box="[1046,1075,633,657]" pageId="131" pageNumber="132">12</emphasis>
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). We caught the species on the ground (n = 3) as often as on canopy platforms (n = 3) or in lower branches 1.5 m off the ground (n = 2).
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</paragraph>
|
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<paragraph id="8B88B0614BD7D8C3FCB331B0B479FC1C" blockId="131.[743,1272,603,1536]" pageId="131" pageNumber="132">
|
||
REPRODUCTION: All adults of both sexes were reproductive; and
|
||
<specimenCount id="9D317BE84BD7D8C3FC4A3052B3C3FCEC" box="[1021,1165,780,803]" pageId="131" pageNumber="132" type="juvenile">one juvenile</specimenCount>
|
||
was taken (at Penedo, locality
|
||
<emphasis id="B9436C734BD7D8C3FBBB3077B355FC8E" bold="true" box="[1036,1051,809,833]" pageId="131" pageNumber="132">7</emphasis>
|
||
, in August). One female was pregnant, with three embryos and two others had fresh placental scars these three were taken in both the late dry season (November) and late rainy season (May).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32DE3EA4BD7D8C3FCB33087B32EF9CF" pageId="131" pageNumber="132" type="description">
|
||
<paragraph id="8B88B0614BD7D8C3FCB33087B49BFA44" blockId="131.[743,1272,603,1536]" pageId="131" pageNumber="132">
|
||
KARYOTYPE: 2n = 58, FN = 96 (fig. 91) We karyotyped four individuals, one each from localities
|
||
<emphasis id="B9436C734BD7D8C3FC2C374DB4E4FBE4" bold="true" box="[923,938,1043,1067]" pageId="131" pageNumber="132">7</emphasis>
|
||
and
|
||
<emphasis id="B9436C734BD7D8C3FC51374DB34DFBE4" bold="true" box="[998,1027,1043,1067]" pageId="131" pageNumber="132">12</emphasis>
|
||
and two from locality
|
||
<emphasis id="B9436C734BD7D8C3FCA3376FB47FFB86" bold="true" box="[788,817,1073,1097]" pageId="131" pageNumber="132">14</emphasis>
|
||
. This complement is quite different from those of the other species of
|
||
<taxonomicName id="4C37CBE24BD7D8C3FB3A3711B3B6FBA9" box="[1165,1272,1103,1126]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="131" pageNumber="132" phylum="Chordata" rank="genus">
|
||
<emphasis id="B9436C734BD7D8C3FB3A3711B3B6FBA9" box="[1165,1272,1103,1126]" italics="true" pageId="131" pageNumber="132">Oecomys</emphasis>
|
||
</taxonomicName>
|
||
reported here, with a much lower diploid number and proportionately larger autosomes. There are 16 pairs of large to small metacentric and submetacentric autosomes four pairs of large to medium subtelocentrics and eight pairs of medium to small acrocentrics. The Xchromosome is a large submetacentric, again the largest of the entire complement, and the Ychromosome is a small acrocentric element.
|
||
</paragraph>
|
||
<paragraph id="8B88B0614BD7D8C3FCB336CFB32EF9CF" blockId="131.[743,1272,603,1536]" pageId="131" pageNumber="132">
|
||
SPECIMENS EXAMINED (n = 8): (
|
||
<emphasis id="B9436C734BD7D8C3FB3236CFB3DAFA66" bold="true" box="[1157,1172,1425,1449]" pageId="131" pageNumber="132">2</emphasis>
|
||
)
|
||
<quantity id="4CCF1D844BD7D8C3FB1E36CFB380FA67" box="[1193,1230,1425,1448]" metricMagnitude="0" metricUnit="m" metricValue="1.0" pageId="131" pageNumber="132" unit="m" value="1.0">1m</quantity>
|
||
— MNFS 1250; (
|
||
<emphasis id="B9436C734BD7D8C3FC2536F0B4EFFA09" bold="true" box="[914,929,1454,1478]" pageId="131" pageNumber="132">7</emphasis>
|
||
)
|
||
<quantity id="4CCF1D844BD7D8C3FC0536F0B499FA0A" box="[946,983,1454,1477]" metricMagnitude="0" metricUnit="m" metricValue="1.0" pageId="131" pageNumber="132" unit="m" value="1.0">1m</quantity>
|
||
— JLP 15425; (
|
||
<emphasis id="B9436C734BD7D8C3FB2B36F0B3F7FA09" bold="true" box="[1180,1209,1454,1478]" pageId="131" pageNumber="132">12</emphasis>
|
||
)
|
||
<quantity id="4CCF1D844BD7D8C3FB7D36F0B3BCFA0A" box="[1226,1266,1454,1477]" metricMagnitude="0" metricUnit="m" metricValue="1.0" pageId="131" pageNumber="132" unit="m" value="1.0">1m</quantity>
|
||
2f — JLP 15851, 15866–15867; (
|
||
<emphasis id="B9436C734BD7D8C3FBCE3695B3D8FA2C" bold="true" box="[1145,1174,1483,1507]" pageId="131" pageNumber="132">14</emphasis>
|
||
)
|
||
<quantity id="4CCF1D844BD7D8C3FB1E3692B39FFA2C" box="[1193,1233,1484,1507]" metricMagnitude="0" metricUnit="m" metricValue="1.0" pageId="131" pageNumber="132" unit="m" value="1.0">1m</quantity>
|
||
, 2 — MNFS 1683, JUR 472, 497.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |