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<document id="2AEEEFD32D9370376E20DB0912A9806A" 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="03957B0FFF91FFF8FD125D9BFBEDFB82" 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="Neacomys aletheia Semedo 2021" docType="treatment" docVersion="1" lastPageNumber="53" masterDocId="FFAC0377FFA3FFCCFFF15872FF83FFD7" masterDocTitle="Mammalian Diversity And Matses Ethnomammalogy In Amazonian Peru Part 5. Rodents" masterLastPageNumber="180" masterPageNumber="1" pageNumber="51" updateTime="1718828396869" updateUser="GgImagineBatch" zenodo-license-document="CC-BY-4.0">
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<mods:title id="2BC98486345B3CF681C65D8B085B55A9">Mammalian Diversity And Matses Ethnomammalogy In Amazonian Peru Part 5. Rodents</mods:title>
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<paragraph id="8B83CA19FF91FFFEFD125D9BFB06F9D7" blockId="50.[739,1157,1512,1536]" box="[739,1157,1512,1536]" pageId="50" pageNumber="51">
<heading id="D0CB7D75FF91FFFEFD125D9BFB06F9D7" box="[739,1157,1512,1536]" centered="true" fontSize="9" level="2" pageId="50" pageNumber="51" reason="2">
<taxonomicName id="4C3CB19AFF91FFFEFD125D9BFB06F9D7" authority="Semedo et al., 2021" authorityName="Semedo" authorityYear="2021" box="[739,1157,1512,1536]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="50" pageNumber="51" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF91FFFEFD125D9BFC2AF9D7" box="[739,937,1512,1536]" italics="true" pageId="50" pageNumber="51">Neacomys aletheia</emphasis>
<bibRefCitation id="EFADB7E8FF91FFFEFC405D9AFB06F9D7" author="Semedo, T. B. F. &amp; M. N. F. da Silva &amp; A. P. Carmignotto &amp; R. V. Rossi" box="[945,1157,1512,1536]" pageId="50" pageNumber="51" pagination="1113 - 1134" refId="ref91773" refString="Semedo, T. B. F., M. N. F. da Silva, A. P. Carmignotto, and R. V. Rossi. 2021. Three new species of spiny mice, genus Neacomys Thomas, 1900 (Rodentia: Cricetidae), from Brazilian Amazonia. Systematics and Biodiversity 19: 1113 - 1134." type="journal article" year="2021">Semedo et al., 2021</bibRefCitation>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C3269992FF91FFF8FCA85E68FC6AFE36" lastPageId="52" lastPageNumber="53" pageId="50" pageNumber="51" type="description">
<paragraph id="8B83CA19FF91FFFEFCA85E68FB8CF9E5" blockId="50.[857,1039,1562,1586]" box="[857,1039,1562,1586]" pageId="50" pageNumber="51">
<heading id="D0CB7D75FF91FFFEFCA85E68FB8CF9E5" box="[857,1039,1562,1586]" centered="true" fontSize="9" level="2" pageId="50" pageNumber="51" reason="2">
<figureCitation id="1307D69CFF91FFFEFCA85E68FB8CF9E5" box="[857,1039,1562,1586]" captionStart="FIG" captionStartId="51.[108,149,1522,1543]" captionTargetBox="[107,1210,224,1494]" captionTargetId="figure-9@51.[107,1210,224,1494]" captionTargetPageId="51" captionText="FIG. 21. Dorsal and ventral cranial views of three small oryzomyines: Neacomys aletheia (A, D; MUSM 13309), N. musseri (B, E; AMNH 272719), and Oligoryzomys microtis (C, F; TTU 100992). The skull of O. microtis is not from the Yavarí-Ucayali interfluve. Note the shallower zygomatic notches and beaded supraorbital margins in both Neacomys species by comparison with the deeper zygomatic notches and squared supraorbital margins in O. microtis. All views about ×3.0." pageId="50" pageNumber="51">Figure 21A, 21D</figureCitation>
</heading>
</paragraph>
<paragraph id="8B83CA19FF91FFFEFD3D5E3EFB3FF910" blockId="50.[684,1212,1612,1735]" pageId="50" pageNumber="51">
VOUCHER MATERIAL (
<emphasis id="B948160BFF91FFFEFC4A5E3EFC4DF9B4" box="[955,974,1612,1635]" italics="true" pageId="50" pageNumber="51">N</emphasis>
= 17): Jenaro Herrera (AMNH 276724; MUSM 5457, 1599315995, 23812, 23813), Nuevo
<collectingRegion id="49F804FBFF91FFFEFC6E5EFCFC7EF972" box="[927,1021,1678,1702]" country="Trinidad and Tobago" name="San Juan/Laventille" pageId="50" pageNumber="51">San Juan</collectingRegion>
(AMNH 272867, 272869, 273053; MUSM 13309, 1331113314,
</paragraph>
<caption id="DF439A91FF90FFFFFF9D5D80FE59F9A9" pageId="51" pageNumber="52" startId="51.[108,149,1522,1543]" targetBox="[107,1210,224,1494]" targetPageId="51" targetType="figure">
<paragraph id="8B83CA19FF90FFFFFF9D5D80FE59F9A9" blockId="51.[108,1212,1520,1662]" pageId="51" pageNumber="52">
FIG. 21. Dorsal and ventral cranial views of three small oryzomyines:
<taxonomicName id="4C3CB19AFF90FFFFFCD35D83FC54F9DF" box="[802,983,1520,1544]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="51" pageNumber="52" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF90FFFFFCD35D83FC54F9DF" box="[802,983,1520,1544]" italics="true" pageId="51" pageNumber="52">Neacomys aletheia</emphasis>
</taxonomicName>
(
<emphasis id="B948160BFF90FFFFFC145D82FC74F9DF" bold="true" box="[997,1015,1520,1544]" pageId="51" pageNumber="52">A</emphasis>
,
<emphasis id="B948160BFF90FFFFFBF35D82FB96F9DF" bold="true" box="[1026,1045,1520,1544]" pageId="51" pageNumber="52">D</emphasis>
; MUSM 13309),
<taxonomicName id="4C3CB19AFF90FFFFFF9D5E7CFF54F9F2" box="[108,215,1550,1573]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="51" pageNumber="52" phylum="Chordata" rank="species" species="musseri">
<emphasis id="B948160BFF90FFFFFF9D5E7CFF54F9F2" box="[108,215,1550,1573]" italics="true" pageId="51" pageNumber="52">N. musseri</emphasis>
</taxonomicName>
(
<emphasis id="B948160BFF90FFFFFF175E7CFF75F9F1" bold="true" box="[230,246,1550,1574]" pageId="51" pageNumber="52">B</emphasis>
,
<emphasis id="B948160BFF90FFFFFEF25E7CFE91F9F1" bold="true" box="[259,274,1550,1574]" pageId="51" pageNumber="52">E</emphasis>
; AMNH 272719), and
<taxonomicName id="4C3CB19AFF90FFFFFE0F5E7CFD58F9F2" baseAuthorityName="Allen" baseAuthorityYear="1916" box="[510,731,1550,1574]" class="Mammalia" family="Cricetidae" genus="Oligoryzomys" kingdom="Animalia" order="Rodentia" pageId="51" pageNumber="52" phylum="Chordata" rank="species" species="microtis">
<emphasis id="B948160BFF90FFFFFE0F5E7CFD58F9F2" box="[510,731,1550,1574]" italics="true" pageId="51" pageNumber="52">Oligoryzomys microtis</emphasis>
</taxonomicName>
(
<emphasis id="B948160BFF90FFFFFD1A5E7FFD7FF9F2" bold="true" box="[747,764,1549,1573]" pageId="51" pageNumber="52">C</emphasis>
,
<emphasis id="B948160BFF90FFFFFCF95E7CFC95F9F1" bold="true" box="[776,790,1550,1574]" pageId="51" pageNumber="52">F</emphasis>
; TTU 100992). The skull of
<taxonomicName id="4C3CB19AFF90FFFFFBC95E7CFB26F9F2" baseAuthorityName="Allen" baseAuthorityYear="1916" box="[1080,1189,1550,1573]" class="Mammalia" family="Cricetidae" genus="Oligoryzomys" kingdom="Animalia" order="Rodentia" pageId="51" pageNumber="52" phylum="Chordata" rank="species" species="microtis">
<emphasis id="B948160BFF90FFFFFBC95E7CFB26F9F2" box="[1080,1189,1550,1573]" italics="true" pageId="51" pageNumber="52">O. microtis</emphasis>
</taxonomicName>
is not from the Yavarí-Ucayali interfluve. Note the shallower zygomatic notches and beaded supraorbital margins in both
<taxonomicName id="4C3CB19AFF90FFFFFF4B5E3BFEE9F9B7" box="[186,362,1608,1632]" pageId="51" pageNumber="52">
<emphasis id="B948160BFF90FFFFFF4B5E3BFE9EF9B7" box="[186,285,1609,1632]" italics="true" pageId="51" pageNumber="52">Neacomys</emphasis>
species
</taxonomicName>
by comparison with the deeper zygomatic notches and squared supraorbital margins in
<taxonomicName id="4C3CB19AFF90FFFFFF795E14FF76F9AA" baseAuthorityName="Allen" baseAuthorityYear="1916" box="[136,245,1638,1661]" class="Mammalia" family="Cricetidae" genus="Oligoryzomys" kingdom="Animalia" order="Rodentia" pageId="51" pageNumber="52" phylum="Chordata" rank="species" species="microtis">
<emphasis id="B948160BFF90FFFFFF795E14FF76F9AA" box="[136,245,1638,1661]" italics="true" pageId="51" pageNumber="52">O. microtis</emphasis>
</taxonomicName>
. All views about ×3.0.
</paragraph>
</caption>
<paragraph id="8B83CA19FF97FFF8FF9D5893FD94FEA9" blockId="52.[108,637,225,1738]" pageId="52" pageNumber="53">
15330, 15331). Additional material originally reported as
<taxonomicName id="4C3CB19AFF97FFF8FF035971FE3DFECD" box="[242,446,259,282]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="minutus">
<emphasis id="B948160BFF97FFF8FF035971FE3DFECD" box="[242,446,259,282]" italics="true" pageId="52" pageNumber="53">Neacomys minutus</emphasis>
</taxonomicName>
by
<bibRefCitation id="EFADB7E8FF97FFF8FE1B5971FF36FEEB" author="Medina, C. E. &amp; E. Lopez &amp; K. Pino &amp; A. Pari &amp; H. Zeballos" pageId="52" pageNumber="53" pagination="199 - 212" refId="ref88771" refString="Medina, C. E., E. Lopez, K. Pino, A. Pari, and H. Zeballos. 2015. Biodiversidad de la zona reservada Sierra del Divisor (Peru): una vision desde los mamiferos pequenos. Revista Peruana de Biologia 22: 199 - 212." type="journal article" year="2015">Medina et al. (2015)</bibRefCitation>
from Quebrada Betilia and Quebrada Pantaleón was subsequently identified as
<taxonomicName id="4C3CB19AFF97FFF8FDC25934FF22FEA9" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF97FFF8FDC25934FF22FEA9" italics="true" pageId="52" pageNumber="53">N. aletheia</emphasis>
</taxonomicName>
by
<bibRefCitation id="EFADB7E8FF97FFF8FF3B5914FD90FEA9" author="Sanchez-Vendizu, P. &amp; L. Graham-Angeles &amp; S. Diaz &amp; V. Pacheco" box="[202,531,358,382]" pageId="52" pageNumber="53" refId="ref91672" refString="Sanchez-Vendizu, P., L. Graham-Angeles, S. Diaz, and V. Pacheco. 2021. Diversidad y estado de conservacion de pequenos mamiferos de Loreto, Peru. Revista Peruana de Biologia 28 (especial): e 21907 (56 pp.)." type="book" year="2021">Sánchez-Vendizú et al. (2021)</bibRefCitation>
.
</paragraph>
<paragraph id="8B83CA19FF97FFF8FF7D59F5FDAAFE49" blockId="52.[108,637,225,1738]" box="[140,553,391,415]" pageId="52" pageNumber="53">UNVOUCHERED OBSERVATIONS: None.</paragraph>
<paragraph id="8B83CA19FF97FFF8FF7D59DAFE1CFB6F" blockId="52.[108,637,225,1738]" pageId="52" pageNumber="53">
IDENTIFICATION:
<taxonomicName id="4C3CB19AFF97FFF8FEBC59DBFD97FE17" box="[333,532,424,448]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF97FFF8FEBC59DBFD97FE17" box="[333,532,424,448]" italics="true" pageId="52" pageNumber="53">Neacomys aletheia</emphasis>
</taxonomicName>
is one of two distinctively small (&lt;
<quantity id="4CC467FCFF97FFF8FE7959BBFE38FE36" box="[392,443,457,481]" metricMagnitude="-2" metricUnit="kg" metricValue="2.0" pageId="52" pageNumber="53" unit="g" value="20.0">20 g</quantity>
) congeneric species that occur sympatrically in the Yavarí-Ucayali interfluve. The other small species in our region,
<taxonomicName id="4C3CB19AFF97FFF8FF315A5FFEB0FD93" box="[192,307,557,580]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="musseri">
<emphasis id="B948160BFF97FFF8FF315A5FFEB0FD93" box="[192,307,557,580]" italics="true" pageId="52" pageNumber="53">N. musseri</emphasis>
</taxonomicName>
, is so similar to
<taxonomicName id="4C3CB19AFF97FFF8FE185A5FFDDCFD93" box="[489,607,556,580]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF97FFF8FE185A5FFDDCFD93" box="[489,607,556,580]" italics="true" pageId="52" pageNumber="53">N. aletheia</emphasis>
</taxonomicName>
in size and pelage coloration that these species are perhaps externally indistinguishable, and our series likewise overlap in all measured craniodental dimensions (table 15). Apparently, the only morphological character by which
<taxonomicName id="4C3CB19AFF97FFF8FDC05AA0FF22FCDC" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF97FFF8FDC05AA0FF22FCDC" italics="true" pageId="52" pageNumber="53">N. aletheia</emphasis>
</taxonomicName>
and
<taxonomicName id="4C3CB19AFF97FFF8FF285A81FECEFCDD" box="[217,333,755,778]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="musseri">
<emphasis id="B948160BFF97FFF8FF285A81FECEFCDD" box="[217,333,755,778]" italics="true" pageId="52" pageNumber="53">N. musseri</emphasis>
</taxonomicName>
can be unambiguously distinguished concerns the carotid circulation. Whereas
<taxonomicName id="4C3CB19AFF97FFF8FF2D5B44FED8FC9A" box="[220,347,821,845]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF97FFF8FF2D5B44FED8FC9A" box="[220,347,821,845]" italics="true" pageId="52" pageNumber="53">N. aletheia</emphasis>
</taxonomicName>
retains the supraorbital branch of the stapedial artery—which leaves a translucent groove along the inner surfaces of the squamosal and alisphenoid bones and exits the skull via the sphenofrontal foramen (pattern 1 of
<bibRefCitation id="EFADB7E8FF97FFF8FF6E5BA9FEFEFC25" author="Voss, R. S." box="[159,381,986,1010]" pageId="52" pageNumber="53" 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: 297298</bibRefCitation>
)—
<taxonomicName id="4C3CB19AFF97FFF8FE515BA9FD97FC25" box="[416,532,987,1010]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="musseri">
<emphasis id="B948160BFF97FFF8FE515BA9FD97FC25" box="[416,532,987,1010]" italics="true" pageId="52" pageNumber="53">N. musseri</emphasis>
</taxonomicName>
lacks the supraorbital branch and both of its osteological markers (pattern 2 of
<bibRefCitation id="EFADB7E8FF97FFF8FEAB5C6FFE52FBE3" author="Voss, R. S." box="[346,465,1052,1076]" pageId="52" pageNumber="53" 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>
).
<taxonomicName id="4C3CB19AFF97FFF8FE125C6FFF22FB82" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF97FFF8FE125C6FFF22FB82" italics="true" pageId="52" pageNumber="53">Neacomys aletheia</emphasis>
</taxonomicName>
was previously known as the “upriver clade” of
<taxonomicName id="4C3CB19AFF97FFF8FF785C2DFE82FBA1" box="[137,257,1119,1142]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="minutus">
<emphasis id="B948160BFF97FFF8FF785C2DFE82FBA1" box="[137,257,1119,1142]" italics="true" pageId="52" pageNumber="53">N. minutus</emphasis>
</taxonomicName>
by
<bibRefCitation id="EFADB7E8FF97FFF8FED85C2DFE78FBA0" author="Patton, J. L. &amp; M. N. F. da Silva &amp; J. R. Malcolm" box="[297,507,1118,1143]" pageId="52" pageNumber="53" 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>
, who documented its substantial molecular and karyotypic divergence from
<taxonomicName id="4C3CB19AFF97FFF8FED75CD3FE1AFB6F" box="[294,409,1185,1208]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="musseri">
<emphasis id="B948160BFF97FFF8FED75CD3FE1AFB6F" box="[294,409,1185,1208]" italics="true" pageId="52" pageNumber="53">N. musseri</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8B83CA19FF97FFF8FF7D5CB0FC46FE8A" blockId="52.[108,637,225,1738]" lastBlockId="52.[684,1213,226,1109]" pageId="52" pageNumber="53">
Phylogenetic analyses of cytochrome
<emphasis id="B948160BFF97FFF8FD9E5CB0FDFFFB0D" box="[623,636,1218,1242]" italics="true" pageId="52" pageNumber="53">b</emphasis>
sequences obtained from our voucher specimens confirm their identity with the “upriver clade” of
<taxonomicName id="4C3CB19AFF97FFF8FF235D54FF29FA89" authority="(sensu Patton et al., 2000)" baseAuthorityName="Patton" baseAuthorityYear="2000" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="minutus">
<emphasis id="B948160BFF97FFF8FF235D54FE1DFAEA" box="[210,414,1318,1341]" italics="true" pageId="52" pageNumber="53">Neacomys minutus</emphasis>
(sensu
<bibRefCitation id="EFADB7E8FF97FFF8FE025D57FF20FA89" author="Patton, J. L. &amp; M. N. F. da Silva &amp; J. R. Malcolm" pageId="52" pageNumber="53" 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>
)
</taxonomicName>
and with the species subsequently named as
<taxonomicName id="4C3CB19AFF97FFF8FF785D1AFF7DFAA8" box="[137,254,1383,1407]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF97FFF8FF785D1AFF7DFAA8" box="[137,254,1383,1407]" italics="true" pageId="52" pageNumber="53">N. aletheia</emphasis>
</taxonomicName>
. Those analyses (
<bibRefCitation id="EFADB7E8FF97FFF8FE4A5D15FF6DFA77" author="Sanchez-Vendizu, P. &amp; V. Pacheco &amp; D. Vivas-Ruiz" pageId="52" pageNumber="53" pagination="1 - 38" refId="ref91625" refString="Sanchez-Vendizu, P., V. Pacheco, and D. Vivas-Ruiz. 2018. An introduction to the systematics of smallbodied Neacomys (Rodentia: Cricetidae) from Peru with descriptions of two new species. American Museum Novitates 3913: 1 - 38." type="journal article" year="2018">Sánchez-Vendizú et al., 2018</bibRefCitation>
;
<bibRefCitation id="EFADB7E8FF97FFF8FF0C5DFAFE60FA77" author="Semedo, T. B. F. &amp; M. N. F. da Silva &amp; A. P. Carmignotto &amp; R. V. Rossi" box="[253,483,1416,1440]" pageId="52" pageNumber="53" pagination="1113 - 1134" refId="ref91773" refString="Semedo, T. B. F., M. N. F. da Silva, A. P. Carmignotto, and R. V. Rossi. 2021. Three new species of spiny mice, genus Neacomys Thomas, 1900 (Rodentia: Cricetidae), from Brazilian Amazonia. Systematics and Biodiversity 19: 1113 - 1134." type="journal article" year="2021">Semedo et al., 2021</bibRefCitation>
) additionally suggest that the sister taxon of
<taxonomicName id="4C3CB19AFF97FFF8FE385DD8FDC2FA16" box="[457,577,1449,1473]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF97FFF8FE385DD8FDC2FA16" box="[457,577,1449,1473]" italics="true" pageId="52" pageNumber="53">N. aletheia</emphasis>
</taxonomicName>
is
<taxonomicName id="4C3CB19AFF97FFF8FD935DD8FF70FA35" baseAuthorityName="Sanchez-Vendizu, Pacheco &amp; Vivas-Ruiz" baseAuthorityYear="2018" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="macedoruizi">
<emphasis id="B948160BFF97FFF8FD935DD8FF70FA35" italics="true" pageId="52" pageNumber="53">N. macedoruizi</emphasis>
</taxonomicName>
, a species that occurs on the north bank of the Amazon, rather than with
<taxonomicName id="4C3CB19AFF97FFF8FDE95D9EFF0FF9F3" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="minutus">
<emphasis id="B948160BFF97FFF8FDE95D9EFF0FF9F3" italics="true" pageId="52" pageNumber="53">N. minutus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A27BAB70FF97FFF8FF645E7FFEA0F9F3" box="[149,291,1548,1572]" pageId="52" pageNumber="53" sensu="stricto">sensu stricto</taxonomicNameLabel>
(the “downriver clade” of
<bibRefCitation id="EFADB7E8FF97FFF8FDBE5E7FFE97F992" author="Patton, J. L. &amp; M. N. F. da Silva &amp; J. R. Malcolm" pageId="52" pageNumber="53" 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>
). Morphological, molecular, and karyotypic comparisons of
<taxonomicName id="4C3CB19AFF97FFF8FE595E3DFDA7F9B1" box="[424,548,1614,1638]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF97FFF8FE595E3DFDA7F9B1" box="[424,548,1614,1638]" italics="true" pageId="52" pageNumber="53">N. aletheia</emphasis>
</taxonomicName>
(as the “upriver clade” of
<taxonomicName id="4C3CB19AFF97FFF8FEB65E02FE4BF950" box="[327,456,1648,1671]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="minutus">
<emphasis id="B948160BFF97FFF8FEB65E02FE4BF950" box="[327,456,1648,1671]" italics="true" pageId="52" pageNumber="53">N. minutus</emphasis>
</taxonomicName>
) and
<taxonomicName id="4C3CB19AFF97FFF8FDE25E02FF3EF97F" baseAuthorityName="Sanchez-Vendizu, Pacheco &amp; Vivas-Ruiz" baseAuthorityYear="2018" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="macedoruizi">
<emphasis id="B948160BFF97FFF8FDE25E02FF3EF97F" italics="true" pageId="52" pageNumber="53">N. macedoruizi</emphasis>
</taxonomicName>
were summarized and discussed by
<bibRefCitation id="EFADB7E8FF97FFF8FF9D5EC0FE36F91D" author="Sanchez-Vendizu, P. &amp; V. Pacheco &amp; D. Vivas-Ruiz" box="[108,437,1714,1738]" pageId="52" pageNumber="53" pagination="1 - 38" refId="ref91625" refString="Sanchez-Vendizu, P., V. Pacheco, and D. Vivas-Ruiz. 2018. An introduction to the systematics of smallbodied Neacomys (Rodentia: Cricetidae) from Peru with descriptions of two new species. American Museum Novitates 3913: 1 - 38." type="journal article" year="2018">Sánchez-Vendizú et al. (2018)</bibRefCitation>
. Measurements of our specimens from the Yavarí-Ucayali interfluve are indistinguishable from those of the
<typeStatus id="548774BBFF97FFF8FD5D5956FD5FFEEB" box="[684,732,292,316]" pageId="52" pageNumber="53">type</typeStatus>
series of
<taxonomicName id="4C3CB19AFF97FFF8FCB95956FC43FEEB" box="[840,960,292,316]" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF97FFF8FCB95956FC43FEEB" box="[840,960,292,316]" italics="true" pageId="52" pageNumber="53">N. aletheia</emphasis>
</taxonomicName>
from the Rio Juruá in western
<collectingCountry id="F32B8A89FF97FFF8FCFB5937FCC8FE8A" box="[778,843,325,349]" name="Brazil" pageId="52" pageNumber="53">Brazil</collectingCountry>
(table 15).
</paragraph>
<paragraph id="8B83CA19FF97FFF8FD3D5914FB17FE48" blockId="52.[684,1213,226,1109]" pageId="52" pageNumber="53">ETHNOBIOLOGY: This species is not known to the Matses, who have no special name for it.</paragraph>
<paragraph id="8B83CA19FF97FFF8FD3D59DAFC6AFE36" blockId="52.[684,1213,226,1109]" pageId="52" pageNumber="53">MATSES NATURAL HISTORY: No interviews were focused on this species.</paragraph>
</subSubSection>
<subSubSection id="C3269992FF97FFF8FD3D5998FBEDFB82" pageId="52" pageNumber="53" type="discussion">
<paragraph id="8B83CA19FF97FFF8FD3D5998FBEDFB82" blockId="52.[684,1213,226,1109]" pageId="52" pageNumber="53">
REMARKS:
<specimenCount id="9D3A0190FF97FFF8FCB95998FBA7FDD5" box="[840,1060,490,514]" count="13" pageId="52" pageNumber="53" type="generic">Thirteen specimens</specimenCount>
of
<taxonomicName id="4C3CB19AFF97FFF8FBA15999FC83FDF4" class="Mammalia" family="Cricetidae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="species" species="aletheia">
<emphasis id="B948160BFF97FFF8FBA15999FC83FDF4" italics="true" pageId="52" pageNumber="53">Neacomys aletheia</emphasis>
</taxonomicName>
are accompanied by habitat information from our region. Of these, seven were taken in primary upland (well-drained) forest, one was taken in swampy primary forest, one was taken in primary forest of unspecified
<typeStatus id="548774BBFF97FFF8FBFF5AE2FBBCFD7F" box="[1038,1087,656,680]" pageId="52" pageNumber="53">type</typeStatus>
, three were taken in secondary vegetation (abandoned swiddens), and one was taken in an active swidden. Ten specimens were trapped on the ground, but three were taken on elevated substrates near ground level (lianas or fallen branches). Most specimens were captured in Sherman traps, but three were taken in pitfalls, two were caught by hand, and one was taken in a deadfall set for
<taxonomicName id="4C3CB19AFF97FFF8FB7F5BEBFC83FC06" class="Mammalia" family="Echimyidae" genus="Proechimys" kingdom="Animalia" order="Rodentia" pageId="52" pageNumber="53" phylum="Chordata" rank="genus">
<emphasis id="B948160BFF97FFF8FB7F5BEBFC83FC06" italics="true" pageId="52" pageNumber="53">Proechimys</emphasis>
</taxonomicName>
(see below).
<specimenCount id="9D3A0190FF97FFF8FC6A5BC8FBC5FC06" box="[923,1094,953,977]" count="2" pageId="52" pageNumber="53" type="generic">Two specimens</specimenCount>
accompanied by microhabitat descriptions were both taken in open hilltop primary forest, one under sparse leafy cover and the other beneath a tangle of fallen branches and dead palm fronds.
</paragraph>
</subSubSection>
</treatment>
</document>