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<document id="3E5CEF2183BAA9FF9E78492E7562FC5F" ID-DOI="10.5281/zenodo.5414895" ID-ISSN="0003-0090" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1718827980402" checkinUser="felipe" docAuthor="Voss, Robert S., Fleck, David W. &amp; Jansa, Sharon A." docDate="2019" docId="03957B0FFFF2FF9FFF355DFEFE41F91D" docLanguage="en" docName="BulAmeMusNatHis.2024.466.1-179.pdf" docOrigin="Bulletin of the American Museum of Natural History 2024 (466)" docSource="http://dx.doi.org/10.5281/zenodo.5414895" docStyle="DocumentStyle:25EFC9A7B3A675566A5530656FFE3DF4.1:BulAmeMusNatHis.2000-2010.chapters" docStyleId="25EFC9A7B3A675566A5530656FFE3DF4" docStyleName="BulAmeMusNatHis.2000-2010.chapters" docStyleVersion="1" docTitle="Oecomys roberti" docType="treatment" docVersion="1" lastPageNumber="84" masterDocId="FFAC0377FFA3FFCCFFF15872FF83FFD7" masterDocTitle="Mammalian Diversity And Matses Ethnomammalogy In Amazonian Peru Part 5. Rodents" masterLastPageNumber="180" masterPageNumber="1" pageNumber="82" updateTime="1718828396869" updateUser="GgImagineBatch" zenodo-license-document="CC-BY-4.0">
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<mods:title id="6AD940BC2AA1E900854D2AA244BA0A1D">Mammalian Diversity And Matses Ethnomammalogy In Amazonian Peru Part 5. Rodents</mods:title>
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<mods:namePart id="467342230669010446B6B603D49FE70D">Voss, Robert S.</mods:namePart>
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<mods:namePart id="F00BADFAC81940195F29304D5F68A0A2">Fleck, David W.</mods:namePart>
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<treatment id="03957B0FFFF2FF9FFF355DFEFE41F91D" LSID="urn:lsid:plazi:treatment:03957B0FFFF2FF9FFF355DFEFE41F91D" httpUri="http://treatment.plazi.org/id/03957B0FFFF2FF9FFF355DFEFE41F91D" lastPageId="83" lastPageNumber="84" pageId="81" pageNumber="82">
<subSubSection id="C3269992FFF2FF9DFF355DFEFDA6FA74" box="[196,549,1419,1443]" pageId="81" pageNumber="82" type="nomenclature">
<paragraph id="8B83CA19FFF2FF9DFF355DFEFDA6FA74" blockId="81.[196,549,1419,1443]" box="[196,549,1419,1443]" pageId="81" pageNumber="82">
<heading id="D0CB7D75FFF2FF9DFF355DFEFDA6FA74" box="[196,549,1419,1443]" centered="true" fontSize="9" level="2" pageId="81" pageNumber="82" reason="2">
<taxonomicName id="4C3CB19AFFF2FF9DFF355DFEFDA6FA74" ID-CoL="74HTQ" authority="(Thomas, 1903)" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[196,549,1419,1443]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="81" pageNumber="82" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF2FF9DFF355DFEFEF1FA74" box="[196,370,1419,1443]" italics="true" pageId="81" pageNumber="82">Oecomys roberti</emphasis>
(Thomas, 1903)
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3269992FFF2FF9FFEE65DCFFD85FACB" lastPageId="83" lastPageNumber="84" pageId="81" pageNumber="82" type="description">
<paragraph id="8B83CA19FFF2FF9DFEE65DCFFE52FA02" blockId="81.[279,465,1469,1493]" box="[279,465,1469,1493]" pageId="81" pageNumber="82">
<heading id="D0CB7D75FFF2FF9DFEE65DCFFE52FA02" box="[279,465,1469,1493]" centered="true" fontSize="9" level="2" pageId="81" pageNumber="82" reason="2">
<figureCitation id="1307D69CFFF2FF9DFEE65DCFFE52FA02" box="[279,465,1469,1493]" captionStart="FIG" captionStartId="75.[107,149,1579,1600]" captionTargetBox="[104,1211,224,1553]" captionTargetId="figure-9@75.[104,1211,224,1553]" captionTargetPageId="75" captionText="FIG. 30. Dorsal and ventral cranial views of Oecomys galvez (A, D; MUSM 13320), O. superans (B, E; FMNH 175099), and O. roberti (C, F; AMNH 265259). The specimen of O. superans is not from the Yavarí-Ucayali interfluve, although the species is expected to occur there." pageId="81" pageNumber="82">Figures 30C, 30F</figureCitation>
</heading>
</paragraph>
<paragraph id="8B83CA19FFF2FF9DFF7D5D9DFF3DF9BD" blockId="81.[108,636,1519,1741]" pageId="81" pageNumber="82">
VOUCHER MATERIAL (
<emphasis id="B948160BFFF2FF9DFE8E5D9DFE11F9D1" box="[383,402,1519,1542]" italics="true" pageId="81" pageNumber="82">N</emphasis>
= 7): Jenaro Herrera (AMNH 276701), Nuevo
<collectingRegion id="49F804FBFFF2FF9DFE555E62FD8DF9F0" box="[420,526,1552,1576]" country="Trinidad and Tobago" name="San Juan/Laventille" pageId="81" pageNumber="82">San Juan</collectingRegion>
(AMNH 268259, 268262, 273112, 273119; MUSM 11215, 15340).
</paragraph>
<paragraph id="8B83CA19FFF2FF9DFF7D5E01FE6DF95D" blockId="81.[108,636,1519,1741]" box="[140,494,1651,1675]" pageId="81" pageNumber="82">UNVOUCHERED RECORDS: None.</paragraph>
<paragraph id="8B83CA19FFF2FF9DFF7D5EE6FDF8F91A" blockId="81.[108,636,1519,1741]" pageId="81" pageNumber="82">
OTHER SPECIMENS EXAMINED (
<emphasis id="B948160BFFF2FF9DFE165EE7FE79F97B" box="[487,506,1685,1708]" italics="true" pageId="81" pageNumber="82">N</emphasis>
= 46):
<emphasis id="B948160BFFF2FF9DFDBB5EE6FF0BF91A" bold="true" pageId="81" pageNumber="82">
<collectingCountry id="F32B8A89FFF2FF9DFDBB5EE6FF0BF91A" name="Brazil" pageId="81" pageNumber="82">Brazil</collectingCountry>
</emphasis>
<emphasis id="B948160BFFF2FF9DFF535EC7FE97F91B" box="[162,276,1717,1740]" italics="true" pageId="81" pageNumber="82">Amazonas</emphasis>
, Altamira on right bank of Rio
</paragraph>
<paragraph id="8B83CA19FFF2FF9EFD5D5CB0FEAAFDB1" blockId="81.[684,1212,1218,1738]" lastBlockId="82.[108,637,225,1738]" lastPageId="82" lastPageNumber="83" pageId="81" pageNumber="82">
Juruá (MVZ 200907), Barro Vermelho on left bank of Rio Juruá (MVZ 200908), Barro Esperança on right bank of Rio Juruá (MVZ 200909, 200910), Colocação Viravolta on left bank of Rio Juruá (MVZ 200912), Condor on left bank of Rio Juruá (MVZ 200915), Igarapé Nova Empresa on left bank of Rio Juruá (MVZ 200917, 200918), Jainu on right bank of Rio Juruá (MVZ 200927, 200928), Penedo on right bank of Rio Juruá (MVZ 200947), Sacado on right bank of Rio Juruá (MVZ 200934, 200935);
<emphasis id="B948160BFFF2FF9DFBD25E7FFB36F9F3" box="[1059,1205,1549,1572]" italics="true" pageId="81" pageNumber="82">Mato Grosso</emphasis>
, Serra de Chapada (BMNH 3.7.7.67 [
<typeStatus id="548774BBFFF2FF9DFBCA5E5FFB1CF992" box="[1083,1183,1581,1605]" pageId="81" pageNumber="82" type="holotype">holotype</typeStatus>
of
<taxonomicName id="4C3CB19AFFF2FF9DFD5D5E3CFD76F9B1" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[684,757,1614,1638]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="81" pageNumber="82" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF2FF9DFD5D5E3CFD76F9B1" box="[684,757,1614,1638]" italics="true" pageId="81" pageNumber="82">roberti</emphasis>
</taxonomicName>
]), Serra do Roncador (BMNH 1981.410 1981.417); Pará, Santa Rosa on Rio Jamanxim (BMNH 9.3.9.9 [
<typeStatus id="548774BBFFF2FF9DFC9A5EE3FC53F97E" box="[875,976,1681,1705]" pageId="81" pageNumber="82" type="holotype">holotype</typeStatus>
of
<taxonomicName id="4C3CB19AFFF2FF9DFC085EE3FBDDF97F" authorityName="Thomas" authorityYear="1909" box="[1017,1118,1681,1704]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="81" pageNumber="82" phylum="Chordata" rank="species" species="tapajinus">
<emphasis id="B948160BFFF2FF9DFC085EE3FBDDF97F" box="[1017,1118,1681,1704]" italics="true" pageId="81" pageNumber="82">tapajinus</emphasis>
</taxonomicName>
]).
<emphasis id="B948160BFFF2FF9DFB735EE2FD55F91D" bold="true" pageId="81" pageNumber="82">
<collectingCountry id="F32B8A89FFF2FF9DFB735EE2FD55F91D" name="Guyana" pageId="81" pageNumber="82">Guyana</collectingCountry>
</emphasis>
<emphasis id="B948160BFFF2FF9DFD015EC0FC63F91E" box="[752,992,1714,1737]" italics="true" pageId="81" pageNumber="82">
<collectingRegion id="49F804FBFFF2FF9DFD015EC0FC63F91E" box="[752,992,1714,1737]" country="Guyana" name="Pomeroon-Supenaam" pageId="81" pageNumber="82">Pomeroon-Supenaam</collectingRegion>
</emphasis>
, Supenaam River (BMNH 10.5.4.2310.5.4.28 [type series of
<taxonomicName id="4C3CB19AFFF1FF9EFDA05890FF1CFECD" authorityName="Thomas" authorityYear="1910" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="guianae">
<emphasis id="B948160BFFF1FF9EFDA05890FF1CFECD" italics="true" pageId="82" pageNumber="83">guianae</emphasis>
</taxonomicName>
]),
<emphasis id="B948160BFFF1FF9EFF4E5971FEE8FECD" box="[191,363,259,282]" italics="true" pageId="82" pageNumber="83">
<collectingRegion id="49F804FBFFF1FF9EFF4E5971FEE8FECD" box="[191,363,259,282]" country="Guyana" name="Potaro-Siparuni" pageId="82" pageNumber="83">Potaro-Siparuni</collectingRegion>
</emphasis>
, Iwokrama Forest (ROM 111776),
<emphasis id="B948160BFFF1FF9EFF235956FDA0FEEB" box="[210,547,292,316]" italics="true" pageId="82" pageNumber="83">
<collectingRegion id="49F804FBFFF1FF9EFF235956FDA0FEEB" box="[210,547,292,316]" country="Guyana" name="Upper Takutu-Upper Essequibo" pageId="82" pageNumber="83">Upper Takutu-Upper Essequibo</collectingRegion>
</emphasis>
, Gunns Strip (ROM 106779), Quarter Mile Landing (ROM 98125).
<emphasis id="B948160BFFF1FF9EFEE05914FEC4FEA9" bold="true" box="[273,327,358,382]" pageId="82" pageNumber="83">
<collectingCountry id="F32B8A89FFF1FF9EFEE05914FEC4FEA9" box="[273,327,358,382]" name="Peru" pageId="82" pageNumber="83">Peru</collectingCountry>
</emphasis>
<emphasis id="B948160BFFF1FF9EFEAE5914FE53FEAA" box="[351,464,358,381]" italics="true" pageId="82" pageNumber="83">Amazonas</emphasis>
, Huampami on Río Cenepa (MVZ 153528, 155005);
<emphasis id="B948160BFFF1FF9EFDFC59FAFDD1FE48" box="[525,594,392,415]" italics="true" pageId="82" pageNumber="83">
<collectingRegion id="49F804FBFFF1FF9EFDFC59FAFDD1FE48" box="[525,594,392,415]" country="Peru" name="Loreto" pageId="82" pageNumber="83">Loreto</collectingRegion>
</emphasis>
,
<quantity id="4CC467FCFFF1FF9EFD9359F5FF13FE17" metricMagnitude="4" metricUnit="m" metricValue="2.5" pageId="82" pageNumber="83" unit="km" value="25.0">25 km</quantity>
S Iquitos (TTU 98797), Collpa Salvador on Río Pucacuro (MUSM 17631, 17685),
<taxonomicName id="4C3CB19AFFF1FF9EFDB459BBFF2AFDD5" authority="Rumi" authorityName="Rumi" class="Gastropoda" family="Littorinidae" genus="Nina" higherTaxonomySource="GBIF" kingdom="Animalia" order="Littorinimorpha" pageId="82" pageNumber="83" phylum="Mollusca" rank="genus">Nina Rumi</taxonomicName>
(MUSM 4498144984), Ullpayacu on Río Pastaza (MUSM 16424);
<emphasis id="B948160BFFF1FF9EFE755A79FDA5FDF4" box="[388,550,523,547]" italics="true" pageId="82" pageNumber="83">
<collectingRegion id="49F804FBFFF1FF9EFE755A79FDA5FDF4" box="[388,550,523,547]" country="Peru" name="Madre de Dios" pageId="82" pageNumber="83">Madre de Dios</collectingRegion>
</emphasis>
,
<quantity id="4CC467FCFFF1FF9EFDC45A79FDFFFDF4" box="[565,636,523,547]" metricMagnitude="4" metricUnit="m" metricValue="1.5" pageId="82" pageNumber="83" unit="km" value="15.0">15 km</quantity>
E Puerto Maldonado (KU 144333, 144335, 144336, 144338).
</paragraph>
<paragraph id="8B83CA19FFF1FF9EFF7D5A1DFD92FACC" blockId="82.[108,637,225,1738]" pageId="82" pageNumber="83">
IDENTIFICATION: We recognize
<taxonomicName id="4C3CB19AFFF1FF9EFDEB5A1DFF31FD7F" baseAuthorityName="Thomas" baseAuthorityYear="1903" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF1FF9EFDEB5A1DFF31FD7F" italics="true" pageId="82" pageNumber="83">Oecomys roberti</emphasis>
</taxonomicName>
in the broad sense of
<bibRefCitation id="EFADB7E8FFF1FF9EFE6D5AE2FF33FD1F" author="Carleton, M. D. &amp; G. G. Musser" pageId="82" pageNumber="83" pagination="393 - 417" refId="ref85481" refString="Carleton, M. D., and G. G. Musser. 2015. Genus Oecomys Thomas, 1906. In J. L. Patton, U. F. J. Pardinas, and G. D'Elia (editors), Mammals of South America, vol. 2: Rodents: 393 - 417. Chicago: University of Chicago Press." type="book chapter" year="2015">Carleton and Musser (2015)</bibRefCitation>
—including the nominal taxa
<taxonomicName id="4C3CB19AFFF1FF9EFDE95AC3FE8EFD3D" authority="Thomas, 1909" authorityName="Thomas" authorityYear="1909" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="tapajinus">
<emphasis id="B948160BFFF1FF9EFDE95AC3FDFFFD1F" box="[536,636,689,712]" italics="true" pageId="82" pageNumber="83">tapajinus</emphasis>
<bibRefCitation id="EFADB7E8FFF1FF9EFF9D5AA0FE8EFD3D" author="Thomas, O." box="[108,269,722,746]" pageId="82" pageNumber="83" pagination="378 - 380" refId="ref92385" refString="Thomas, O. 1909. New species of Oecomys and Marmosa from Amazonia. Annals and Magazine of Natural History (ser. 8) 3: 378 - 380." type="journal article" year="1909">Thomas, 1909</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="4C3CB19AFFF1FF9EFEA25AA0FDD5FD3D" authority="Thomas, 1910" authorityName="Thomas" authorityYear="1910" box="[339,598,722,746]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="guianae">
<emphasis id="B948160BFFF1FF9EFEA25AA0FE2BFD3E" box="[339,424,722,745]" italics="true" pageId="82" pageNumber="83">guianae</emphasis>
Thomas, 1910
</taxonomicName>
, as junior synonyms—despite conspicuous geographic variation in ventral pelage coloration and deep phylogeographic structure revealed by mtDNA sequence analyses. This is a moderately large (ca.
<quantity id="4CC467FCFFF1FF9EFF295B05FEB3FC58" box="[216,304,887,911]" metricMagnitude="-2" metricUnit="kg" metricValue="5.5" metricValueMax="6.5" metricValueMin="4.5" pageId="82" pageNumber="83" unit="g" value="55.0" valueMax="65.0" valueMin="45.0">4565 g</quantity>
) species with brownish dorsal fur and a unicolored (all dark) tail that is substantially longer than the combined length of the head and body (LT/HBL = 1.21 ± 0.10) and lacks a terminal pencil of long hairs. Most specimens from south of the Amazon and west of the Rio Tapajós have a continuous streak of self-white ventral fur that extends from chin to anus, but specimens from eastern Amazonia (including those referred by authors to
<taxonomicName id="4C3CB19AFFF1FF9EFEF05CD3FED7FB6F" authorityName="Thomas" authorityYear="1910" box="[257,340,1185,1208]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="guianae">
<emphasis id="B948160BFFF1FF9EFEF05CD3FED7FB6F" box="[257,340,1185,1208]" italics="true" pageId="82" pageNumber="83">guianae</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3CB19AFFF1FF9EFE7A5CD3FE68FB6F" authorityName="Thomas" authorityYear="1909" box="[395,491,1185,1208]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="tapajinus">
<emphasis id="B948160BFFF1FF9EFE7A5CD3FE68FB6F" box="[395,491,1185,1208]" italics="true" pageId="82" pageNumber="83">tapajinus</emphasis>
</taxonomicName>
) have almost completely gray-based ventral fur, as do the specimens we identify as
<taxonomicName id="4C3CB19AFFF1FF9EFEA35C91FE3FFB2C" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[338,444,1251,1275]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF1FF9EFEA35C91FE3FFB2C" box="[338,444,1251,1275]" italics="true" pageId="82" pageNumber="83">O. roberti</emphasis>
</taxonomicName>
from the Yavarí-Ucayali interfluve and northern
<collectingRegion id="49F804FBFFF1FF9EFE345D76FD8EFACC" box="[453,525,1284,1307]" country="Peru" name="Loreto" pageId="82" pageNumber="83">Loreto</collectingRegion>
.
</paragraph>
<paragraph id="8B83CA19FFF1FF9EFF7D5D57FB95FE36" blockId="82.[108,637,225,1738]" lastBlockId="82.[684,1212,226,1407]" pageId="82" pageNumber="83">
Other morphological traits that we associate with
<taxonomicName id="4C3CB19AFFF1FF9EFF555D34FED0FA89" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[164,339,1350,1374]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF1FF9EFF555D34FED0FA89" box="[164,339,1350,1374]" italics="true" pageId="82" pageNumber="83">Oecomys roberti</emphasis>
</taxonomicName>
include
<quantity id="4CC467FCFFF1FF9EFE435D34FD8CFA8A" box="[434,527,1350,1374]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" metricValueMax="9.0" metricValueMin="7.0" pageId="82" pageNumber="83" unit="mm" value="8.0" valueMax="9.0" valueMin="7.0">79 mm</quantity>
long dorsal fur, short and sparse ungual tufts that do not conceal the claws on digits IIV of the hind feet, shallow zygomatic notches, absence of postorbital processes, incisive foramina that do not extend posteriorly to the level of the M1 alveoli, absence of an alisphenoid strut (in most specimens), a complete stapedial arterial circulation (pattern 1 of
<bibRefCitation id="EFADB7E8FFF1FF9EFF0A5E3DFEF1F9B0" author="Voss, R. S." box="[251,370,1615,1639]" pageId="82" pageNumber="83" pagination="259 - 493" refId="ref92960" refString="Voss, R. S. 1988. Systematics and ecology of ichthyomyine rodents (Muroidea): patterns of morphological evolution in a small adaptive radiation. Bulletin of the American Museum of Natural History 188 (2): 259 - 493." type="journal article" year="1988">Voss, 1988</bibRefCitation>
), and a distinctive range of morphometric variation (table 25). Several fluid-preserved specimens had either 17 or 18 caudal scale rows/cm, and a single specimen that we dissected (AMNH 273112) had small preputial glands that did not extend anteriorly beyond the ventral flexure of the penis. Diploid chromosome counts of 2
<emphasis id="B948160BFFF1FF9EFC9A5934FCFAFE8A" box="[875,889,326,349]" italics="true" pageId="82" pageNumber="83">n</emphasis>
= 8082 have been reported for specimens of
<taxonomicName id="4C3CB19AFFF1FF9EFC8A5914FC69FEA9" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[891,1002,358,382]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF1FF9EFC8A5914FC69FEA9" box="[891,1002,358,382]" italics="true" pageId="82" pageNumber="83">O. roberti</emphasis>
</taxonomicName>
from central and western
<collectingCountry id="F32B8A89FFF1FF9EFCFF59F5FCCCFE48" box="[782,847,391,415]" name="Brazil" pageId="82" pageNumber="83">Brazil</collectingCountry>
(Amazonas,
<collectingRegion id="49F804FBFFF1FF9EFC1D59F5FB01FE48" box="[1004,1154,391,415]" country="Brazil" name="Mato Grosso" pageId="82" pageNumber="83">Mato Grosso</collectingRegion>
, and
<collectingRegion id="49F804FBFFF1FF9EFD5D59DAFC98FE17" box="[684,795,424,448]" country="Brazil" name="Rondonia" pageId="82" pageNumber="83">Rondônia</collectingRegion>
;
<bibRefCitation id="EFADB7E8FFF1FF9EFCDB59DBFC78FE17" author="Patton, J. L. &amp; M. N. F. da Silva &amp; J. R. Malcolm" box="[810,1019,424,448]" pageId="82" pageNumber="83" pagination="1 - 306" refId="ref90419" refString="Patton, J. L., M. N. F. da Silva, and J. R. Malcolm. 2000. Mammals of the Rio Jurua and the evolutionary and ecological diversification of Amazonia. Bulletin of the American Museum of Natural History 244: 1 - 306." type="journal article" year="2000">Patton et al., 2000</bibRefCitation>
;
<bibRefCitation id="EFADB7E8FFF1FF9EFBFB59DAFD61FE36" author="Langguth, A. &amp; V. Maia &amp; M. S. Mattevi" pageId="82" pageNumber="83" pagination="183 - 190" refId="ref88495" refString="Langguth, A., V. Maia, and M. S. Mattevi. 2005. Karyology of large size Brazilian species of the genus Oecomys Thomas, 1906 (Rodentia, Muridae, Sigmodontinae). Arquivos do Museu Nacional (Rio de Janeiro) 63: 183 - 190." type="journal article" year="2005">Langguth et al., 2005</bibRefCitation>
;
<bibRefCitation id="EFADB7E8FFF1FF9EFD1F59BBFB89FE36" author="Suarez-Villota, E. Y. &amp; A. P. Carmignotto &amp; M. V. Brandao &amp; A. R. Percequillo &amp; M. J. J. de Silva" box="[750,1034,457,481]" pageId="82" pageNumber="83" pagination="182 - 210" refId="ref92140" refString="Suarez-Villota, E. Y., A. P. Carmignotto, M. V. Brandao, A. R. Percequillo, and M. J. J. de Silva. 2018. Systematics of the genus Oecomys (Sigmodontinae: Oryzomyini): molecular phylogenetic, cytogenetic, and morphological approaches reveal cryptic species. Zoological Journal of the Linnean Society 184: 182 - 210." type="journal article" year="2018">Suárez-Villota et al., 2018</bibRefCitation>
).
</paragraph>
<paragraph id="8B83CA19FFF1FF9EFD3D5998FB3FFAA8" blockId="82.[684,1212,226,1407]" pageId="82" pageNumber="83">
Although
<bibRefCitation id="EFADB7E8FFF1FF9EFCB75998FBB1FDD5" author="Rocha, R. G." box="[838,1074,490,514]" pageId="82" pageNumber="83" pagination="174 - 186" refId="ref91335" refString="Rocha, R. G., et al. 2018. Cryptic diversity in the Oecomys roberti complex: revalidation of Oecomys tapajinus (Rodentia: Cricetidae). Journal of Mammalogy 99: 174 - 186." type="journal article" year="2018">Rocha et al. (2018)</bibRefCitation>
recognized
<taxonomicName id="4C3CB19AFFF1FF9EFD5D5A7EFCF5FDF4" authorityName="Thomas" authorityYear="1909" box="[684,886,524,547]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="tapajinus">
<emphasis id="B948160BFFF1FF9EFD5D5A7EFCF5FDF4" box="[684,886,524,547]" italics="true" pageId="82" pageNumber="83">Oecomys tapajinus</emphasis>
</taxonomicName>
as a valid species, we are not persuaded by their results. Their multigene topology recovered a cluster of four sequences that they identified as
<taxonomicName id="4C3CB19AFFF1FF9EFC545A1DFBAAFD51" authorityName="Thomas" authorityYear="1909" box="[933,1065,623,646]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="tapajinus">
<emphasis id="B948160BFFF1FF9EFC545A1DFBAAFD51" box="[933,1065,623,646]" italics="true" pageId="82" pageNumber="83">O. tapajinus</emphasis>
</taxonomicName>
, as did separate analyses of two mitochondrial genes (CYTB and COI), but it is not clear whether the nuclear locus they sequenced (intron 7 of beta fibrinogen) supported the same topology when analyzed separately. Because analyses of single-locus data (the mtDNA genome is a single-locus marker) cannot distinguish gene trees from species trees, evidence from other sources—multiple loci, karyotypes, and morphology—is important for confident species delimitation. Unfortunately, the mtDNA clades that
<bibRefCitation id="EFADB7E8FFF1FF9EFC585BA8FBF1FC25" author="Rocha, R. G." box="[937,1138,986,1010]" pageId="82" pageNumber="83" pagination="174 - 186" refId="ref91335" refString="Rocha, R. G., et al. 2018. Cryptic diversity in the Oecomys roberti complex: revalidation of Oecomys tapajinus (Rodentia: Cricetidae). Journal of Mammalogy 99: 174 - 186." type="journal article" year="2018">Rocha et al. (2018)</bibRefCitation>
recovered were not morphometrically distinguishable, karyotypic data were not discussed, and the qualitative character differences that the authors attributed to
<taxonomicName id="4C3CB19AFFF1FF9EFCCD5C2CFC07FBA1" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[828,900,1118,1142]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF1FF9EFCCD5C2CFC07FBA1" box="[828,900,1118,1142]" italics="true" pageId="82" pageNumber="83">roberti</emphasis>
</taxonomicName>
on the one hand and
<taxonomicName id="4C3CB19AFFF1FF9EFB875C2DFD51FB40" authorityName="Thomas" authorityYear="1909" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="tapajinus">
<emphasis id="B948160BFFF1FF9EFB875C2DFD51FB40" italics="true" pageId="82" pageNumber="83">tapajinus</emphasis>
</taxonomicName>
on the other are inconsistent.
<superScript id="7C496751FFF1FF9EFBDC5C0FFBBDFB59" attach="left" box="[1069,1086,1149,1166]" fontSize="7" pageId="82" pageNumber="83">25</superScript>
Lastly, the application of the name
<taxonomicName id="4C3CB19AFFF1FF9EFC465CD3FB99FB6F" authorityName="Thomas" authorityYear="1909" box="[951,1050,1185,1208]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="tapajinus">
<emphasis id="B948160BFFF1FF9EFC465CD3FB99FB6F" box="[951,1050,1185,1208]" italics="true" pageId="82" pageNumber="83">tapajinus</emphasis>
</taxonomicName>
is problematic because the
<typeStatus id="548774BBFFF1FF9EFCCA5CB0FC1FFB0D" box="[827,924,1218,1242]" pageId="82" pageNumber="83" type="holotype">holotype</typeStatus>
(BMNH 9.3.9.9) has the ventral coat-color phenotype that Rocha et al. attributed to
<taxonomicName id="4C3CB19AFFF1FF9EFCB75D76FC0CFACB" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[838,911,1284,1308]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF1FF9EFCB75D76FC0CFACB" box="[838,911,1284,1308]" italics="true" pageId="82" pageNumber="83">roberti</emphasis>
</taxonomicName>
(a continuous midventral streak of self-white fur;
<bibRefCitation id="EFADB7E8FFF1FF9EFC265D57FBFDFAEA" author="Thomas, O." box="[983,1150,1317,1341]" pageId="82" pageNumber="83" pagination="378 - 380" refId="ref92385" refString="Thomas, O. 1909. New species of Oecomys and Marmosa from Amazonia. Annals and Magazine of Natural History (ser. 8) 3: 378 - 380." type="journal article" year="1909">Thomas, 1909</bibRefCitation>
), the molars are too worn to assess the allegedly diagnostic occlusal morphology of M1, and the type
</paragraph>
<paragraph id="8B83CA19FFF1FF9EFD3C5DDFFC99F91E" blockId="82.[684,1213,1453,1737]" pageId="82" pageNumber="83">
<superScript id="7C496751FFF1FF9EFD3C5DDFFD58FA6E" attach="right" box="[717,731,1453,1465]" fontSize="5" pageId="82" pageNumber="83">25</superScript>
<taxonomicName id="4C3CB19AFFF1FF9EFD2D5DDCFCE7FA16" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[732,868,1454,1473]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF1FF9EFD2D5DDCFCE7FA16" box="[732,868,1454,1473]" italics="true" pageId="82" pageNumber="83">Oecomys roberti</emphasis>
</taxonomicName>
was said to have either an all white venter or to have a continuous midventral streak of self-white fur, but some western Amazonian specimens with the sequence characteristics of
<taxonomicName id="4C3CB19AFFF1FF9EFCB55D84FCFFF9DE" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[836,892,1526,1545]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF1FF9EFCB55D84FCFFF9DE" box="[836,892,1526,1545]" italics="true" pageId="82" pageNumber="83">roberti</emphasis>
</taxonomicName>
(see below) have entirely gray-based ventral fur. Similarly, although
<taxonomicName id="4C3CB19AFFF1FF9EFC4E5E7CFB8EF9F7" authorityName="Thomas" authorityYear="1909" box="[959,1037,1550,1568]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="tapajinus">
<emphasis id="B948160BFFF1FF9EFC4E5E7CFB8EF9F7" box="[959,1037,1550,1568]" italics="true" pageId="82" pageNumber="83">tapajinus</emphasis>
</taxonomicName>
usually has entirely gray-based ventral fur, some specimens have a self-white ventral midline (
<bibRefCitation id="EFADB7E8FFF1FF9EFCEF5E4CFC3DF986" author="Rocha, R. G." box="[798,958,1598,1617]" pageId="82" pageNumber="83" pagination="174 - 186" refId="ref91335" refString="Rocha, R. G., et al. 2018. Cryptic diversity in the Oecomys roberti complex: revalidation of Oecomys tapajinus (Rodentia: Cricetidae). Journal of Mammalogy 99: 174 - 186." type="journal article" year="2018">Rocha et al., 2018</bibRefCitation>
). We were unable to replicate Rocha et al.s observations about the dental difference they observed between
<taxonomicName id="4C3CB19AFFF1FF9EFCBE5E1CFC0BF956" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[847,904,1646,1665]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF1FF9EFCBE5E1CFC0BF956" box="[847,904,1646,1665]" italics="true" pageId="82" pageNumber="83">roberti</emphasis>
</taxonomicName>
(supposedly without an anteromedian flexus on M1) and
<taxonomicName id="4C3CB19AFFF1FF9EFC7B5EF4FC5AF94F" authorityName="Thomas" authorityYear="1909" box="[906,985,1670,1688]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="82" pageNumber="83" phylum="Chordata" rank="species" species="tapajinus">
<emphasis id="B948160BFFF1FF9EFC7B5EF4FC5AF94F" box="[906,985,1670,1688]" italics="true" pageId="82" pageNumber="83">tapajinus</emphasis>
</taxonomicName>
(supposedly with an M1 anteromedian flexus) due to variation and scoring ambiguities in both taxa.
</paragraph>
<paragraph id="8B83CA19FFF0FF9FFF9D5890FD9AFEEB" blockId="83.[108,637,226,1738]" pageId="83" pageNumber="84">
locality (
<bibRefCitation id="EFADB7E8FFF0FF9FFF3A5890FE16FF2D" author="Rocha, R. G." box="[203,405,226,250]" pageId="83" pageNumber="84" pagination="174 - 186" refId="ref91335" refString="Rocha, R. G., et al. 2018. Cryptic diversity in the Oecomys roberti complex: revalidation of Oecomys tapajinus (Rodentia: Cricetidae). Journal of Mammalogy 99: 174 - 186." type="journal article" year="2018">Rocha et al., 2018</bibRefCitation>
: fig. 1) is in a region where both
<taxonomicName id="4C3CB19AFFF0FF9FFF0C5971FEC4FECC" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[253,327,259,283]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="83" pageNumber="84" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF0FF9FFF0C5971FEC4FECC" box="[253,327,259,283]" italics="true" pageId="83" pageNumber="84">roberti</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3CB19AFFF0FF9FFE7A5971FE73FECD" authorityName="Thomas" authorityYear="1909" box="[395,496,259,282]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="83" pageNumber="84" phylum="Chordata" rank="species" species="tapajinus">
<emphasis id="B948160BFFF0FF9FFE7A5971FE73FECD" box="[395,496,259,282]" italics="true" pageId="83" pageNumber="84">tapajinus</emphasis>
</taxonomicName>
are said to occur and to be difficult to distinguish.
</paragraph>
<paragraph id="8B83CA19FFF0FF9FFF7D5937FE05FBA1" blockId="83.[108,637,226,1738]" pageId="83" pageNumber="84">
<materialsCitation id="3B54C044FFF0FF9FFF7D5937FDBBFDF4" collectorName="Haplogroup A" country="Brazil" location="western Amazonian" pageId="83" pageNumber="84" specimenCount="1" stateProvince="Madre de Dios">
Phylogenetic analysis of sequence data from the
<location id="8EE39CC2FFF0FF9FFF645914FEEFFEA9" LSID="urn:lsid:plazi:treatment:03957B0FFFF2FF9FFF355DFEFE41F91D:8EE39CC2FFF0FF9FFF645914FEEFFEA9" box="[149,364,358,382]" country="Brazil" name="western Amazonian" pageId="83" pageNumber="84" stateProvince="Madre de Dios">western Amazonian</location>
material that we identify as
<taxonomicName id="4C3CB19AFFF0FF9FFF7659F5FEB3FE48" baseAuthorityName="Thomas" baseAuthorityYear="1903" box="[135,304,391,415]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="83" pageNumber="84" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF0FF9FFF7659F5FEB3FE48" box="[135,304,391,415]" italics="true" pageId="83" pageNumber="84">Oecomys roberti</emphasis>
</taxonomicName>
recovered several strongly supported haplogroups (fig. 34).
<collectorName id="26C9AFCFFFF0FF9FFE2459DAFDFFFE17" box="[469,636,424,448]" pageId="83" pageNumber="84">Haplogroup A</collectorName>
includes Patton et al.s (2000) specimens from western
<collectingCountry id="F32B8A89FFF0FF9FFF385998FE8BFDD5" box="[201,264,490,514]" name="Brazil" pageId="83" pageNumber="84">Brazil</collectingCountry>
(Amazonas) and a smaller series from southeastern
<collectingCountry id="F32B8A89FFF0FF9FFECE5A7EFEF1FDF4" box="[319,370,524,547]" name="Peru" pageId="83" pageNumber="84">Peru</collectingCountry>
(
<collectingRegion id="49F804FBFFF0FF9FFE725A79FDB3FDF4" box="[387,560,523,547]" country="Peru" name="Madre de Dios" pageId="83" pageNumber="84">Madre de Dios</collectingRegion>
)
</materialsCitation>
;
<materialsCitation id="3B54C044FFF0FF9FFDB75A7EFE32FCFB" collectionCode="BMNH" collectorName="Mato Grosso &amp; Haplogroup B &amp; Amazon &amp; Yavari-Ucayali" country="Brazil" pageId="83" pageNumber="84" specimenCount="14" stateProvince="Madre de Dios" typeStatus="holotype">
most specimens from this clade have self-white ventral fur, as does the
<typeStatus id="548774BBFFF0FF9FFED05A3FFE03FDB2" box="[289,384,589,613]" pageId="83" pageNumber="84" type="holotype">holotype</typeStatus>
(
<collectionCode id="ED2D52DCFFF0FF9FFE605A3CFE67FDB1" box="[401,484,590,614]" pageId="83" pageNumber="84">BMNH</collectionCode>
3.7.7.67) and
<typeStatus id="548774BBFFF0FF9FFF9D5A1CFE8BFD51" box="[108,264,622,646]" isOtherTypeStatus="true" pageId="83" pageNumber="84">other material</typeStatus>
we examined from
<collectorName id="26C9AFCFFFF0FF9FFE1C5A1DFDFFFD50" box="[493,636,623,647]" pageId="83" pageNumber="84">Mato Grosso</collectorName>
(but KU 144338 with gray-based buffy ventral fur is an exception).
<collectorName id="26C9AFCFFFF0FF9FFED05AC3FE34FD1F" box="[289,439,689,713]" pageId="83" pageNumber="84">Haplogroup B</collectorName>
includes
<specimenCount id="9D3A0190FFF0FF9FFDEC5AC3FF26FD3E" count="10" pageId="83" pageNumber="84" type="generic">10 specimens</specimenCount>
from several localities north of the
<collectorName id="26C9AFCFFFF0FF9FFDEA5AA0FDFBFD3D" box="[539,632,722,746]" pageId="83" pageNumber="84">Amazon</collectorName>
, and haplogroup C includes
<specimenCount id="9D3A0190FFF0FF9FFE6B5A81FDBCFCDC" box="[410,575,755,779]" count="4" pageId="83" pageNumber="84" type="generic">four specimens</specimenCount>
from the
<collectorName id="26C9AFCFFFF0FF9FFF6A5B66FEB9FCFB" box="[155,314,788,812]" pageId="83" pageNumber="84">Yavarí-Ucayali</collectorName>
interfluve
</materialsCitation>
; by contrast with most specimens from haplogroup A, specimens from haplogroups B and C have completely gray-based ventral fur. Average uncorrected pairwise sequence differences at the cytochrome
<emphasis id="B948160BFFF0FF9FFDDD5BEAFDBAFC67" box="[556,569,920,944]" italics="true" pageId="83" pageNumber="84">b</emphasis>
locus (table 26) suggest substantial genetic divergence among these mtDNA clades, but our measurement data document broad morphometric overlap (table 27), and we were unable to discover any phenotypic differences other than the ventral pelage traits described above.
</paragraph>
<paragraph id="8B83CA19FFF0FF9FFF7D5CF2FF44FB0D" blockId="83.[108,637,226,1738]" pageId="83" pageNumber="84">ETHNOBIOLOGY: The Matses do not recognize this species and so have no particular beliefs about it.</paragraph>
<paragraph id="8B83CA19FFF0FF9FFF7D5C91FD85FACB" blockId="83.[108,637,226,1738]" pageId="83" pageNumber="84">MATSES NATURAL HISTORY: The Matses have no definite knowledge of this species.</paragraph>
</subSubSection>
<subSubSection id="C3269992FFF0FF9FFF7D5D57FE41F91D" pageId="83" pageNumber="84" type="discussion">
<paragraph id="8B83CA19FFF0FF9FFF7D5D57FE41F91D" blockId="83.[108,637,226,1738]" pageId="83" pageNumber="84">
REMARKS: Of the
<specimenCount id="9D3A0190FFF0FF9FFEA85D57FE70FAEA" box="[345,499,1317,1341]" count="6" pageId="83" pageNumber="84" type="generic">six specimens</specimenCount>
collected at Nuevo
<collectingRegion id="49F804FBFFF0FF9FFF4F5D34FEA0FA8A" box="[190,291,1350,1374]" country="Trinidad and Tobago" name="San Juan/Laventille" pageId="83" pageNumber="84">San Juan</collectingRegion>
, four were taken in seasonally flooded primary forest and two were taken in upland primary forest close to a stream.
<specimenCount id="9D3A0190FFF0FF9FFDB95DFBFF63FA16" count="4" pageId="83" pageNumber="84" type="generic">Four specimens</specimenCount>
were trapped on lianas 1.0
<quantity id="4CC467FCFFF0FF9FFDC85DDBFDFFFA16" box="[569,636,1449,1473]" metricMagnitude="0" metricUnit="m" metricValue="1.5" pageId="83" pageNumber="84" unit="m" value="1.5">1.5 m</quantity>
above the ground, one was shot at night on a liana close to the ground, and one was trapped on the ground. Few as they are, these data seem consistent with the observations of other authors (
<bibRefCitation id="EFADB7E8FFF0FF9FFF825E3DFEB4F9B0" author="Patton, J. L. &amp; M. N. F. da Silva &amp; J. R. Malcolm" box="[115,311,1614,1639]" pageId="83" pageNumber="84" pagination="1 - 306" refId="ref90419" refString="Patton, J. L., M. N. F. da Silva, and J. R. Malcolm. 2000. Mammals of the Rio Jurua and the evolutionary and ecological diversification of Amazonia. Bulletin of the American Museum of Natural History 244: 1 - 306." type="journal article" year="2000">Patton et al., 2000</bibRefCitation>
;
<bibRefCitation id="EFADB7E8FFF0FF9FFEB05E3CFD83F9B0" author="Rocha, R. G." box="[321,512,1614,1639]" pageId="83" pageNumber="84" pagination="174 - 186" refId="ref91335" refString="Rocha, R. G., et al. 2018. Cryptic diversity in the Oecomys roberti complex: revalidation of Oecomys tapajinus (Rodentia: Cricetidae). Journal of Mammalogy 99: 174 - 186." type="journal article" year="2018">Rocha et al., 2018</bibRefCitation>
) that
<taxonomicName id="4C3CB19AFFF0FF9FFDCF5E3DFF6AF950" baseAuthorityName="Thomas" baseAuthorityYear="1903" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="83" pageNumber="84" phylum="Chordata" rank="species" species="roberti">
<emphasis id="B948160BFFF0FF9FFDCF5E3DFF6AF950" italics="true" pageId="83" pageNumber="84">Oecomys roberti</emphasis>
</taxonomicName>
(sensu
<bibRefCitation id="EFADB7E8FFF0FF9FFEB55E1DFDFBF950" author="Carleton, M. D. &amp; G. G. Musser" box="[324,632,1647,1671]" pageId="83" pageNumber="84" pagination="393 - 417" refId="ref85481" refString="Carleton, M. D., and G. G. Musser. 2015. Genus Oecomys Thomas, 1906. In J. L. Patton, U. F. J. Pardinas, and G. D'Elia (editors), Mammals of South America, vol. 2: Rodents: 393 - 417. Chicago: University of Chicago Press." type="book chapter" year="2015">Carleton and Musser, 2015</bibRefCitation>
; i.e., including
<taxonomicName id="4C3CB19AFFF0FF9FFEFD5EE3FEECF97F" authorityName="Thomas" authorityYear="1909" box="[268,367,1681,1704]" class="Mammalia" family="Cricetidae" genus="Oecomys" kingdom="Animalia" order="Rodentia" pageId="83" pageNumber="84" phylum="Chordata" rank="species" species="tapajinus">
<emphasis id="B948160BFFF0FF9FFEFD5EE3FEECF97F" box="[268,367,1681,1704]" italics="true" pageId="83" pageNumber="84">tapajinus</emphasis>
</taxonomicName>
) is primarily associated with seasonally flooded forests.
</paragraph>
</subSubSection>
</treatment>
</document>