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<document id="AC23100259732D8009409684CC3272E8" ID-CLB-Dataset="5835" ID-DOI="10.1206/3958.1" ID-GBIF-Dataset="b21652c7-9d47-402f-bf45-a524a3181d21" ID-ISSN="0003-0082" ID-Zenodo-Dep="5056873" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1615484174726" checkinUser="felipe" docAuthor="Semedo, Thiago Borges Fernandes, Silva, Maria Nazareth Ferreira Da, Gutiérrez, Eliécer E., Ferreira, Daniela Cristina, Nunes, Mario Da Silva, Mendes-Oliveira, Ana Cristina, Farias, Izeni Pires &amp; Rossi, Rogério Vieira" docDate="2020" docId="02428795FFC93C0E87B8FAA5FBDFFC57" docLanguage="en" docName="AmMusNovit.2020.3958.1-43.pdf.imf" docOrigin="American Museum Novitates 2020 (3958)" docSource="http://dx.doi.org/10.1206/3958.1" docStyle="DocumentStyle:26C3580A17D4BBE58BD8D8AC6AE09AC4.6:AmMusNovit.2010-.journal_article" docStyleId="26C3580A17D4BBE58BD8D8AC6AE09AC4" docStyleName="AmMusNovit.2010-.journal_article" docStyleVersion="6" docTitle="Neacomys marajoara Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi 2020, new species" docType="treatment" docVersion="8" lastPageNumber="26" masterDocId="FE7BFFEDFFDB3C17867EFFAFFFA2FFB0" masterDocTitle="Systematics of Neotropical Spiny Mice, Genus Neacomys Thomas, 1900 (Rodentia: Cricetidae), from Southeastern Amazonia, with Descriptions of Three New Species" masterLastPageNumber="43" masterPageNumber="1" pageNumber="19" updateTime="1698933236474" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="BB3103FAED4ED456C0B64CADC5A5D871">Systematics of Neotropical Spiny Mice, Genus Neacomys Thomas, 1900 (Rodentia: Cricetidae), from Southeastern Amazonia, with Descriptions of Three New Species</mods:title>
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<mods:namePart id="A48A523EB2A93812075971F7B7C4B1CC">Semedo, Thiago Borges Fernandes</mods:namePart>
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<mods:namePart id="44B972DDD35952DA45167E19FFF4CC12">Silva, Maria Nazareth Ferreira Da</mods:namePart>
<mods:affiliation id="0A51F4B555D83D330A2D94694C25BB2A">Eliécer E. Gutiérrez, &amp; Coleção de Mamíferos, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil.</mods:affiliation>
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<mods:namePart id="8D24D7E59C16FD1A07A158976F0DD1C8">Gutiérrez, Eliécer E.</mods:namePart>
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<mods:namePart id="96D9C836E73DA692A014D175BED15C3E">Ferreira, Daniela Cristina</mods:namePart>
<mods:affiliation id="BEE29C7D20678BB54BB4431E055E8B5D">Maria Nazareth Ferreira Da Silva, &amp; Mario Da Silva Nunes, &amp; Programa de Pós-graduação em Zoologia, Instituto de Biociências, Universidade Federal de Mato Grosso (UFMT), Cuiabá, Brazil.</mods:affiliation>
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<mods:namePart id="C089A96C4B1D2A9876117F867ACB5E52">Nunes, Mario Da Silva</mods:namePart>
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<mods:namePart id="0DB6152E686078E79774B6FAC7EAE0FB">Mendes-Oliveira, Ana Cristina</mods:namePart>
<mods:affiliation id="89117B03A37502C9A0C995F0779FD0A7">Izeni Pires Farias, &amp; Instituto de Ciências Biológicas - LABEV, Universidade Federal do Pará (UFPA), Belém, Brazil.</mods:affiliation>
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<mods:affiliation id="599F5CFED478967442E5D7C6E3B66E6E">Maria Nazareth Ferreira Da Silva, &amp; Mario Da Silva Nunes, &amp; Programa de Pós-graduação em Zoologia, Instituto de Biociências, Universidade Federal de Mato Grosso (UFMT), Cuiabá, Brazil.</mods:affiliation>
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<treatment id="02428795FFC93C0E87B8FAA5FBDFFC57" ID-DOI="http://doi.org/10.5281/zenodo.5057193" ID-GBIF-Taxon="183233012" ID-Zenodo-Dep="5057193" LSID="urn:lsid:plazi:treatment:02428795FFC93C0E87B8FAA5FBDFFC57" httpUri="http://treatment.plazi.org/id/02428795FFC93C0E87B8FAA5FBDFFC57" lastPageId="25" lastPageNumber="26" pageId="18" pageNumber="19">
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<taxonomicName id="4DEB4D00FFC93C0587B8FAA5FD6BFA94" authority="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi, 2020" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[454,713,1290,1316]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="18" pageNumber="19" phylum="Chordata" rank="species" species="marajoara" status="sp. nov.">Neacomys marajoara</taxonomicName>
,
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<taxonomicNameLabel id="A3AC57EAFFC93C0584A9FAA4FCC3FA94" box="[727,865,1290,1317]" pageId="18" pageNumber="19" rank="species">new species</taxonomicNameLabel>
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Marajoara Spiny Mouse
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,
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<typeStatus id="55508821FFC93C0586E2FA30FEBEFA09" box="[156,284,1439,1465]" pageId="18" pageNumber="19" type="holotype">HOLOTYPE</typeStatus>
: The
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(
<specimenCode id="DA4D9EF8FFC93C0587A2FA30FD20FA09" box="[476,642,1439,1465]" collectionCode="MPEG" country="Brazil" httpUri="http://grbio.org/cool/90vz-swjg" name="Museu Paraense Emilio Goeldi" pageId="18" pageNumber="19">MPEG 40432</specimenCode>
) is an adult male (age class 3), collected on
<date id="FE551043FFC93C0582DEFA30FEA4FA6F" pageId="18" pageNumber="19" value="2009-01-19">
<collectingDate id="EE11E9ABFFC93C0582DEFA30FEA4FA6F" pageId="18" pageNumber="19" value="2009-01-19">19 January 2009</collectingDate>
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, by
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.
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. Rossi (field number
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; fig. 4) in a
<collectingMethod id="53AA4E94FFC93C05854BFA6AFC12FA6F" box="[821,944,1477,1503]" pageId="18" pageNumber="19">pitfall trap</collectingMethod>
. The specimen consists of a stuffed skin (missing the tip of the tail), skull, and skeleton; a tissue sample of this specimen is preserved in ethanol, and a partial cytochrome
<emphasis id="B89FEA91FFC93C058492F9A0FD58F999" box="[748,762,1551,1577]" italics="true" pageId="18" pageNumber="19">b</emphasis>
sequence that we obtained from it has been deposited in Genbank with accession number
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462070
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.
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</paragraph>
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<materialsCitation id="3A833CDEFFC93C0586E2F9F4FE10F92A" ID-GBIF-Occurrence="3312998304" collectionCode="TYPE, LOCALITY" country="Brazil" county="Para" latitude="-0.65" location="Tauari Farm" longLatPrecision="1308" longitude="-50.183334" municipality="Marajo Island" pageId="18" pageNumber="19" specimenCount="1">
<collectionCode id="ECFAAE46FFC93C0586E2F9F4FEF4F9C4" box="[156,342,1626,1653]" pageId="18" pageNumber="19">TYPE LOCALITY</collectionCode>
:
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, municipality of
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,
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, state of
<collectingCounty id="63354E0FFFC93C05824AF9F5FBC9F9C4" box="[1076,1131,1626,1652]" pageId="18" pageNumber="19">Pará</collectingCounty>
,
<collectingCountry id="F2FC7613FFC93C058209F9F5FB1EF9C4" box="[1143,1212,1626,1652]" name="Brazil" pageId="18" pageNumber="19">Brazil</collectingCountry>
(
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,
<geoCoordinate id="EFDF5044FFC93C0586AFF9D0FE9AF92A" box="[209,312,1662,1690]" degrees="50" direction="west" minutes="11" orientation="longitude" pageId="18" pageNumber="19" precision="925" value="-50.183334">50°11W</geoCoordinate>
, figs. 5, 6)
</materialsCitation>
.
</paragraph>
</subSubSection>
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<paragraph id="8A543683FFC93C0386E3F90AFCC1FAF6" blockId="18.[108,1213,1439,1765]" lastBlockId="20.[108,1214,1138,1762]" lastPageId="20" lastPageNumber="21" pageId="18" pageNumber="19">
DIAGNOSIS:
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<emphasis id="B89FEA91FFC93C058750F90AFD81F90E" box="[302,547,1701,1726]" italics="true" pageId="18" pageNumber="19">Neacomys marajoara</emphasis>
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is a small species (table 3) that differs from congeneric taxa by the following combination of craniodental traits: skull delicate; interorbital region relatively broad; nasal bones straight anteriorly; supraorbital margins slightly convergent anteriorly; subsquamosal fenestra large (almost half the size of the postglenoid foramen on each side of the skull); paraoccipital processes separated from the auditory bullae; sphenopalatine foramen large; carotid circulation usually pattern 2 (sensu
<bibRefCitation id="EE7A4B72FFCF3C038484FB4DFCDEFB4C" author="Voss, R. S." box="[762,892,1250,1276]" pageId="20" pageNumber="21" pagination="259 - 493" refId="ref16222" 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>
); maxillary part of incisive septum (between the incisive foramina) narrow; M1 usually with flat and undivided anterocone; and M1 anteroloph usually fused with anterolabial conule.
</paragraph>
<caption id="DE94660BFFC83C048612F9F7FCD2F953" ID-DOI="http://doi.org/10.5281/zenodo.5056881" ID-Zenodo-Dep="5056881" httpUri="https://zenodo.org/record/5056881/files/figure.png" pageId="19" pageNumber="20" startId="19.[108,150,1624,1645]" targetBox="[194,1134,231,1564]" targetPageId="19">
<paragraph id="8A543683FFC83C048612F9F7FCD2F953" blockId="19.[108,1213,1622,1764]" pageId="19" pageNumber="20">
FIG. 3. Scatter plots of PC1 (horizontal axis) and PC2 (vertical axis) for pairwise analyses of craniodental measurement data for species in the Dubosti Group of
<taxonomicName id="4DEB4D00FFC83C0484CEF9DBFCB6F93B" box="[688,788,1652,1675]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="genus">
<emphasis id="B89FEA91FFC83C0484CEF9DBFCB6F93B" box="[688,788,1652,1675]" italics="true" pageId="19" pageNumber="20">Neacomys</emphasis>
</taxonomicName>
. In each plot, species are represented by minimum convex polygons that enclose all points in the plane of PC1 and PC2.
<emphasis id="B89FEA91FFC83C0485D1F93EFC65F919" bold="true" box="[943,967,1681,1705]" pageId="19" pageNumber="20">A,</emphasis>
<taxonomicName id="4DEB4D00FFC83C0485B3F93DFB96F919" box="[973,1076,1681,1705]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFC83C0485B3F93DFC7DF919" box="[973,991,1682,1705]" italics="true" pageId="19" pageNumber="20">N</emphasis>
.
<emphasis id="B89FEA91FFC83C048592F93EFB96F919" box="[1004,1076,1681,1705]" italics="true" pageId="19" pageNumber="20">dubosti</emphasis>
</taxonomicName>
(dub) versus
<taxonomicName id="4DEB4D00FFC83C048612F900FF56F976" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[108,244,1711,1734]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFC83C048612F900FFDCF976" box="[108,126,1711,1734]" italics="true" pageId="19" pageNumber="20">N</emphasis>
.
<emphasis id="B89FEA91FFC83C0486F5F900FF56F976" box="[139,244,1711,1734]" italics="true" pageId="19" pageNumber="20">marajoara</emphasis>
</taxonomicName>
(mar);
<emphasis id="B89FEA91FFC83C04873FF901FEF5F976" bold="true" box="[321,343,1710,1734]" pageId="19" pageNumber="20">B,</emphasis>
<taxonomicName id="4DEB4D00FFC83C048720F900FE67F976" box="[350,453,1710,1734]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFC83C048720F900FED2F976" box="[350,368,1711,1734]" italics="true" pageId="19" pageNumber="20">N</emphasis>
.
<emphasis id="B89FEA91FFC83C048703F901FE67F976" box="[381,453,1710,1734]" italics="true" pageId="19" pageNumber="20">dubosti</emphasis>
</taxonomicName>
versus
<taxonomicName id="4DEB4D00FFC83C04846AF900FDC2F976" authorityName="UFPA" authorityYear="1284" box="[532,608,1711,1734]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="vossi">
<emphasis id="B89FEA91FFC83C04846AF900FD87F976" box="[532,549,1711,1734]" italics="true" pageId="19" pageNumber="20">N</emphasis>
.
<emphasis id="B89FEA91FFC83C04844FF900FDC2F976" box="[561,608,1711,1734]" italics="true" pageId="19" pageNumber="20">vossi</emphasis>
</taxonomicName>
(vos);
<emphasis id="B89FEA91FFC83C0484D8F901FD1CF976" bold="true" box="[678,702,1710,1734]" pageId="19" pageNumber="20">C,</emphasis>
<taxonomicName id="4DEB4D00FFC83C0484BBF900FC89F976" box="[709,811,1710,1734]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFC83C0484BBF900FD75F976" box="[709,727,1711,1734]" italics="true" pageId="19" pageNumber="20">N</emphasis>
.
<emphasis id="B89FEA91FFC83C04849DF901FC89F976" box="[739,811,1710,1734]" italics="true" pageId="19" pageNumber="20">dubosti</emphasis>
</taxonomicName>
versus
<taxonomicName id="4DEB4D00FFC83C048504F900FC72F976" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[890,976,1711,1734]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="xingu">
<emphasis id="B89FEA91FFC83C048504F900FC29F976" box="[890,907,1711,1734]" italics="true" pageId="19" pageNumber="20">N</emphasis>
.
<emphasis id="B89FEA91FFC83C0485E6F900FC72F976" box="[920,976,1711,1734]" italics="true" pageId="19" pageNumber="20">xingu</emphasis>
</taxonomicName>
(xin);
<emphasis id="B89FEA91FFC83C04826BF901FB8CF976" bold="true" box="[1045,1070,1710,1734]" pageId="19" pageNumber="20">D,</emphasis>
<taxonomicName id="4DEB4D00FFC83C04824BF900FB1FF976" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[1077,1213,1711,1734]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFC83C04824BF900FBE5F976" box="[1077,1095,1711,1734]" italics="true" pageId="19" pageNumber="20">N</emphasis>
.
<emphasis id="B89FEA91FFC83C04822AF900FB1FF976" box="[1108,1213,1711,1734]" italics="true" pageId="19" pageNumber="20">marajoara</emphasis>
</taxonomicName>
versus
<taxonomicName id="4DEB4D00FFC83C0486CCF963FF5DF953" authorityName="UFPA" authorityYear="1284" box="[178,255,1740,1763]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="vossi">
<emphasis id="B89FEA91FFC83C0486CCF963FF66F953" box="[178,196,1740,1763]" italics="true" pageId="19" pageNumber="20">N</emphasis>
.
<emphasis id="B89FEA91FFC83C0486AFF963FF5DF953" box="[209,255,1740,1763]" italics="true" pageId="19" pageNumber="20">vossi</emphasis>
</taxonomicName>
;
<emphasis id="B89FEA91FFC83C048772F963FE83F954" bold="true" box="[268,289,1740,1764]" pageId="19" pageNumber="20">E,</emphasis>
<taxonomicName id="4DEB4D00FFC83C048756F963FE12F953" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[296,432,1740,1763]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFC83C048756F963FE98F953" box="[296,314,1740,1763]" italics="true" pageId="19" pageNumber="20">N</emphasis>
.
<emphasis id="B89FEA91FFC83C048739F963FE12F953" box="[327,432,1740,1763]" italics="true" pageId="19" pageNumber="20">marajoara</emphasis>
</taxonomicName>
versus
<taxonomicName id="4DEB4D00FFC83C048782F963FDF1F953" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[508,595,1740,1763]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="xingu">
<emphasis id="B89FEA91FFC83C048782F963FDACF953" box="[508,526,1740,1763]" italics="true" pageId="19" pageNumber="20">N</emphasis>
.
<emphasis id="B89FEA91FFC83C048465F963FDF1F953" box="[539,595,1740,1763]" italics="true" pageId="19" pageNumber="20">xingu</emphasis>
</taxonomicName>
;
<emphasis id="B89FEA91FFC83C048421F963FDD3F954" bold="true" box="[607,625,1740,1764]" pageId="19" pageNumber="20">F,</emphasis>
<taxonomicName id="4DEB4D00FFC83C048406F963FD64F953" authorityName="UFPA" authorityYear="1284" box="[632,710,1740,1763]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="20" phylum="Chordata" rank="species" species="vossi">
<emphasis id="B89FEA91FFC83C048406F963FD28F953" box="[632,650,1740,1763]" italics="true" pageId="19" pageNumber="20">N</emphasis>
.
<emphasis id="B89FEA91FFC83C0484E9F963FD64F953" box="[663,710,1740,1763]" italics="true" pageId="19" pageNumber="20">vossi</emphasis>
</taxonomicName>
versus
<taxonomicName id="4DEB4D00FFC83C04856CF963FCCEF953" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[786,876,1740,1763]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="19" pageNumber="41" phylum="Chordata" rank="species" species="xingu">
<emphasis id="B89FEA91FFC83C04856CF963FC86F953" box="[786,804,1740,1763]" italics="true" pageId="19" pageNumber="20">N</emphasis>
. xingu
</taxonomicName>
.
</paragraph>
</caption>
<caption id="DE94660BFFCF3C03860EFB93FB9EFBE2" ID-DOI="http://doi.org/10.5281/zenodo.5056885" ID-Zenodo-Dep="5056885" box="[112,1084,1082,1106]" httpUri="https://zenodo.org/record/5056885/files/figure.png" pageId="20" pageNumber="21" startId="20.[112,154,1084,1105]" targetBox="[108,1212,234,1060]" targetPageId="20">
<paragraph id="8A543683FFCF3C03860EFB93FB9EFBE2" blockId="20.[112,1084,1082,1106]" box="[112,1084,1082,1106]" pageId="20" pageNumber="21">
FIG. 4. The holotype of
<taxonomicName id="4DEB4D00FFCF3C03871DFB94FD97FBE2" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[355,565,1083,1106]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="20" pageNumber="21" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFCF3C03871DFB94FD97FBE2" box="[355,565,1083,1106]" italics="true" pageId="20" pageNumber="21">Neacomys marajoara</emphasis>
</taxonomicName>
, (MPEG 40432) in life. Photo by Rogério V. Rossi.
</paragraph>
</caption>
<paragraph id="8A543683FFCF3C0286E3FAFDFCA6FB19" blockId="20.[108,1214,1138,1762]" lastBlockId="21.[108,1213,1129,1753]" lastPageId="21" lastPageNumber="22" pageId="20" pageNumber="21">
MORPHOLOGICAL DESCRIPTION: Dorsal pelage dark brown finely sprinkled with orange (fig. 4); ventral pelage varying from pure white to yellowish white, separated from the dorsal pelage by a very thin orange lateral line. Superciliary, genal, and mystacial vibrissae blackish and long (extending behind ears when laid back alongside the head); submental vibrissae absent; interramal vibrissae short and white. Ears small and rounded; postauricular hairs gray based with orange tips, forming an orange tuft behind each pinna. Ungual tufts white, longer than claws in most specimens examined (except MPEG 40435 and MPEG 40446, in which ungual tufts are as long as the claws); fore- and hind feet covered dorsally with buffy-cream hairs; hind feet narrow and elongate with small interdigital membranes present. Tail about the same length as head and body, bicolored, and covered by short, spiny, and clearly visible hairs; white hairs present on ventral caudal surface from base to midlength; tail tip with very short (
<quantity id="4D139B66FFCE3C028606FBC6FF1DFB34" box="[120,191,1129,1156]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="21" pageNumber="22" unit="mm" value="1.0">1 mm</quantity>
) terminal tuft; caudal scales small, arranged in annular series; each caudal scale with three subequal hairs inserted along its posterior margin.
</paragraph>
<caption id="DE94660BFFCE3C028613FBA3FD70FBF0" ID-DOI="http://doi.org/10.5281/zenodo.5056889" ID-Zenodo-Dep="5056889" httpUri="https://zenodo.org/record/5056889/files/figure.png" pageId="21" pageNumber="22" startId="21.[109,151,1036,1057]" targetBox="[148,1172,227,1009]" targetPageId="21">
<paragraph id="8A543683FFCE3C028613FBA3FD70FBF0" blockId="21.[109,1214,1034,1088]" pageId="21" pageNumber="22">
FIG. 5. Collection localities of specimens of the Dubosti Group of
<taxonomicName id="4DEB4D00FFCE3C028564FBA4FCDCFB92" box="[794,894,1035,1058]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="21" pageNumber="22" phylum="Chordata" rank="genus">
<emphasis id="B89FEA91FFCE3C028564FBA4FCDCFB92" box="[794,894,1035,1058]" italics="true" pageId="21" pageNumber="22">Neacomys</emphasis>
</taxonomicName>
examined in the present study. Numbers are keyed to entries in our gazetteer (appendix 1).
</paragraph>
</caption>
<paragraph id="8A543683FFCE3C0186E3FB1BFCF2FB57" blockId="21.[108,1213,1129,1753]" lastBlockId="22.[108,1215,1153,1591]" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22">
Skull small and delicate in dorsal view (fig. 7), with straight anterior nasal margins, notably broad rostrum, and shallow zygomatic notches; posterior nasal terminus usually slightly pointed, extending beyond maxillary-frontal suture; premaxillaries terminating anterior to nasals; lacrimal bone small and visible in dorsal view, usually in broad contact with frontal bones; supraorbital margins slightly convergent anteriorly; interorbital region relatively broad; supraorbital beads developed as projecting shelves; lateral expansion of the parietal restricted to the dorsal cranial surface. Incisive foramina small and usually teardrop shaped, not extending posteriorly to level of M1s; maxillary portion of incisive septum (dividing the left and right foramina) narrow. Zygomatic plate narrow. Palate with two posterolateral pits on each side. Auditory bullae small and globular, with short and narrow eustachian tubes; periotic bone extends anteriorly to internal carotid canal (except MPEG 40435, MPEG 40443, and MPEG 40439, in which the periotic does not reach the internal carotid canal), but does not enter the canal. Subsquamosal fenestra large (almost half the size of the postglenoid foramen); hamular process of the squamosal long. Paraoccipital process narrow and small and separated from the auditory bullae. Sphenopalatine foramen large; alisphenoid strut absent; carotid circulation pattern usually derived
<superScript id="7D9E9BCBFFCD3C018700FB2EFE25FB21" attach="left" box="[382,391,1153,1169]" fontSize="7" pageId="22" pageNumber="23">7</superScript>
(pattern 2, as identified by the presence of a large stapedial foramen and a large posterior opening of the alisphenoid canal, and by the absence of a squamosalalisphenoid groove and a sphenofrontal foramen;
<bibRefCitation id="EE7A4B72FFCD3C0184C4FB62FCE1FB57" author="Voss, R. S." box="[698,835,1229,1255]" pageId="22" pageNumber="23" pagination="259 - 493" refId="ref16222" 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>
).
</paragraph>
<caption id="DE94660BFFCD3C018612FB98FE65FBDA" ID-DOI="http://doi.org/10.5281/zenodo.5056891" ID-Zenodo-Dep="5056891" httpUri="https://zenodo.org/record/5056891/files/figure.png" pageId="22" pageNumber="23" startId="22.[108,150,1079,1100]" targetBox="[108,1212,226,1054]" targetPageId="22">
<paragraph id="8A543683FFCD3C018612FB98FE65FBDA" blockId="22.[108,1216,1077,1130]" pageId="22" pageNumber="23">
FIG. 6. Habitat of
<taxonomicName id="4DEB4D00FFCD3C018757FB99FE59FBFD" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[297,507,1078,1101]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="22" pageNumber="23" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFCD3C018757FB99FE59FBFD" box="[297,507,1078,1101]" italics="true" pageId="22" pageNumber="23">Neacomys marajoara</emphasis>
</taxonomicName>
at Tauari Farm, municipality of Chaves, Marajó Island, state of Pará, Brazil. Photo by Rogério V. Rossi.
</paragraph>
</caption>
<paragraph id="8A543683FFCD3C0186E2FB5DFD8DFACC" blockId="22.[108,1215,1153,1591]" pageId="22" pageNumber="23">First upper molar (M1) usually with broad, flat, and undivided anterocone; anteroloph usually fused with anterolabial conule (such that the anteroflexus is not distinguishable); M3 small; labial cusps (paracone and metacone) usually smaller than lingual cusps (protocone and hypocone); m1 anterocone undivided.</paragraph>
<paragraph id="8A543683FFCD3C0186E2FA28FEFEFA5D" blockId="22.[108,1215,1153,1591]" pageId="22" pageNumber="23">Mandible with mental foramen opening laterally; capsular process of lower incisor alveolus present, but indistinct (reduced to a slight rounded elevation), approximately at same height as coronoid process.</paragraph>
<paragraph id="8A543683FFCD3C0086E3FA58FDFAFA4D" blockId="22.[108,1215,1153,1591]" lastBlockId="23.[108,1213,1469,1757]" lastPageId="23" lastPageNumber="24" pageId="22" pageNumber="23">
KARYOTYPES: Karyotypes of specimens from the
<typeStatus id="55508821FFCD3C0184A3FA57FCB2F9A2" box="[733,784,1528,1554]" pageId="22" pageNumber="23">type</typeStatus>
locality were obtained by
<bibRefCitation id="EE7A4B72FFCD3C01823BFA58FF19F987" author="Silva, W. O." pageId="22" pageNumber="23" pagination="1 - 10" refId="ref16009" refString="Silva, W. O., et al. 2015. Diversity and karyotypic evolution in the genus Neacomys (Rodentia, Sigmodontinae). Cytogenetic and Genome Research 146: 1 - 10." type="journal article" year="2015">Silva et al. (2015)</bibRefCitation>
, and karyotypes from specimens collected elsewhere on Marajó Island were obtained by
<bibRefCitation id="EE7A4B72FFCC3C0086F1FA12FE47FA67" author="Oliveira da Silva, W." box="[143,485,1469,1496]" pageId="23" pageNumber="24" pagination="1 - 13" refId="ref15539" refString="Oliveira da Silva, W., et al. 2019. Chromosomal phylogeny and comparative chromosome painting among Neacomys species (Rodentia, Sigmodontinae) from eastern Amazonia. Bmc Evolutionary Biology 19: 1 - 13." type="journal article" year="2019">Oliveira da Silva et al. (2019)</bibRefCitation>
, who described a chromosomal complement of 2
<emphasis id="B89FEA91FFCC3C008257FA11FB9BFA67" box="[1065,1081,1470,1495]" italics="true" pageId="23" pageNumber="24">n</emphasis>
= 58 and a fundamental number (FN) = 70 (table 5).
</paragraph>
<footnote id="E9F02A8DFFCD3C018613F92BFE1EF969" pageId="22" pageNumber="23">
<paragraph id="8A543683FFCD3C018613F92BFE1EF969" blockId="22.[109,1212,1668,1753]" pageId="22" pageNumber="23">
<superScript id="7D9E9BCBFFCD3C018613F92BFFD7F924" attach="left" box="[109,117,1668,1684]" fontSize="7" pageId="22" pageNumber="23">7</superScript>
Most specimens of
<taxonomicName id="4DEB4D00FFCD3C018739F928FDB8F92E" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[327,538,1671,1694]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="22" pageNumber="23" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFCD3C018739F928FDB8F92E" box="[327,538,1671,1694]" italics="true" pageId="22" pageNumber="23">Neacomys marajoara</emphasis>
</taxonomicName>
(seven out of nine) exhibit carotid circulation pattern 2, but one specimen (MPEG 40446) exhibits circulatory pattern 1, and another (MPEG 40431) exhibits both patterns (on opposite sides of the skull).
</paragraph>
</footnote>
<caption id="DE94660BFFCC3C008612FACAFEBCFA29" ID-DOI="http://doi.org/10.5281/zenodo.5056895" ID-Zenodo-Dep="5056895" httpUri="https://zenodo.org/record/5056895/files/figure.png" pageId="23" pageNumber="24" startId="23.[108,150,1381,1402]" targetBox="[264,1057,225,1357]" targetPageId="23">
<paragraph id="8A543683FFCC3C008612FACAFEBCFA29" blockId="23.[108,1212,1379,1433]" pageId="23" pageNumber="24">
FIG. 7. Dorsal, ventral, and lateral cranial views and lateral view of mandible of
<taxonomicName id="4DEB4D00FFCC3C0085E8FACBFBC5FACB" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[918,1127,1380,1403]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="23" pageNumber="24" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFCC3C0085E8FACBFBC5FACB" box="[918,1127,1380,1403]" italics="true" pageId="23" pageNumber="24">Neacomys marajoara</emphasis>
</taxonomicName>
(MPEG 40432, holotype).
</paragraph>
</caption>
<paragraph id="8A543683FFCC3C0086E2F9A7FBA3F96C" blockId="23.[108,1213,1469,1757]" pageId="23" pageNumber="24">
TAXONOMIC COMPARISONS:
<taxonomicName id="4DEB4D00FFCC3C0087A2F9A6FD67F992" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[476,709,1545,1570]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="23" pageNumber="24" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFCC3C0087A2F9A6FD67F992" box="[476,709,1545,1570]" italics="true" pageId="23" pageNumber="24">Neacomys marajoara</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4DEB4D00FFCC3C00852BF9A6FC64F992" box="[853,966,1544,1570]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="23" pageNumber="24" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFCC3C00852BF9A6FC64F992" box="[853,966,1544,1570]" italics="true" pageId="23" pageNumber="24">N. dubosti</emphasis>
</taxonomicName>
in dorsal pelage color (dark brown finely sprinkled with orange versus light to dark brown finely sprinkled with orange in
<taxonomicName id="4DEB4D00FFCC3C0086F4F9FCFF59F9DC" box="[138,251,1618,1644]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="23" pageNumber="24" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFCC3C0086F4F9FCFF59F9DC" box="[138,251,1618,1644]" italics="true" pageId="23" pageNumber="24">N. dubosti</emphasis>
</taxonomicName>
), and by its bicolored tail (the tail is usually unicolored in
<taxonomicName id="4DEB4D00FFCC3C0085F6F9FCFC5BF9DC" box="[904,1017,1618,1644]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="23" pageNumber="24" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFCC3C0085F6F9FCFC5BF9DC" box="[904,1017,1618,1644]" italics="true" pageId="23" pageNumber="24">N. dubosti</emphasis>
</taxonomicName>
), narrower interorbital region, teardrop-shaped incisive foramina (the lateral margins of the incisive foramina are usually subparallel in
<taxonomicName id="4DEB4D00FFCC3C008720F931FE6DF907" box="[350,463,1693,1719]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="23" pageNumber="24" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFCC3C008720F931FE6DF907" box="[350,463,1693,1719]" italics="true" pageId="23" pageNumber="24">N. dubosti</emphasis>
</taxonomicName>
), globular auditory bullae (the bullae are usually flask-shaped in
<taxonomicName id="4DEB4D00FFCC3C0082DFF931FF1EF96C" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="23" pageNumber="24" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFCC3C0082DFF931FF1EF96C" italics="true" pageId="23" pageNumber="24">N. dubosti</emphasis>
</taxonomicName>
), and carotid circulation usually pattern 2 (versus pattern
<quantity id="4D139B66FFCC3C008532F96CFCDAF96C" box="[844,888,1730,1757]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="23" pageNumber="24" unit="in" value="1.0">1 in</quantity>
<taxonomicName id="4DEB4D00FFCC3C0085FEF96CFC53F96C" box="[896,1009,1730,1756]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="23" pageNumber="24" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFCC3C0085FEF96CFC53F96C" box="[896,1009,1730,1756]" italics="true" pageId="23" pageNumber="24">N. dubosti</emphasis>
</taxonomicName>
).
</paragraph>
<caption id="DE94660BFFC33C0F8612FF4FFB07FF48" ID-Table-UUID="DE94660BFFC33C0F8612FF4FFB07FF48" box="[108,1189,224,249]" httpUri="http://table.plazi.org/id/DE94660BFFC33C0F8612FF4FFB07FF48" pageId="24" pageNumber="25" startId="24.[108,181,224,248]" targetBox="[119,1194,276,1427]" targetIsTable="true" targetPageId="24">
<paragraph id="8A543683FFC33C0F8612FF4FFB07FF48" blockId="24.[108,1189,224,249]" box="[108,1189,224,249]" pageId="24" pageNumber="25">
TABLE 4. Geographic and morphological comparisons among members of the Dubosti Group of
<taxonomicName id="4DEB4D00FFC33C0F8241FF4EFB02FF48" box="[1087,1184,225,248]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="24" pageNumber="25" phylum="Chordata" rank="genus">
<emphasis id="B89FEA91FFC33C0F8241FF4EFB02FF48" box="[1087,1184,225,248]" italics="true" pageId="24" pageNumber="25">Neacomys</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="8A543683FFC33C0F872DFEB9FBD0FA23" pageId="24" pageNumber="25">
<table id="F8EBC423FFC3C3E88609FEBBFB08FA23" box="[119,1194,276,1427]" gridcols="5" gridrows="17" pageId="24" pageNumber="25">
<tr id="34DB34C1FFC3C3E88609FEBBFB08FE9B" box="[119,1194,276,299]" gridrow="0" pageId="24" pageNumber="25" rowspan-0="1">
<th id="770A5DBDFFC3C3E8872DFEBBFDB2FE9B" box="[339,528,276,299]" gridcol="1" gridrow="0" pageId="24" pageNumber="25">
<taxonomicName id="4DEB4D00FFC33C0F872DFEB9FE36FE9B" box="[339,404,278,299]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="24" pageNumber="25" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFC33C0F872DFEB9FE36FE9B" box="[339,404,278,299]" italics="true" pageId="24" pageNumber="25">dubosti</emphasis>
</taxonomicName>
</th>
<th id="770A5DBDFFC3C3E88451FEBBFD52FE9B" box="[559,752,276,299]" gridcol="2" gridrow="0" pageId="24" pageNumber="25">
<taxonomicName id="4DEB4D00FFC33C0F8451FEBBFDC3FE99" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[559,609,276,297]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="24" pageNumber="25" phylum="Chordata" rank="species" species="xingu">
<emphasis id="B89FEA91FFC33C0F8451FEBBFDC3FE99" box="[559,609,276,297]" italics="true" pageId="24" pageNumber="25">xingu</emphasis>
</taxonomicName>
</th>
<th id="770A5DBDFFC3C3E88575FEBBFC6DFE9B" box="[779,975,276,299]" gridcol="3" gridrow="0" pageId="24" pageNumber="25">
<taxonomicName id="4DEB4D00FFC33C0F8575FEBBFCCAFE99" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[779,872,276,297]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="24" pageNumber="25" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFC33C0F8575FEBBFCCAFE99" box="[779,872,276,297]" italics="true" pageId="24" pageNumber="25">marajoara</emphasis>
</taxonomicName>
</th>
<th id="770A5DBDFFC3C3E88596FEBBFB08FE9B" box="[1000,1194,276,299]" gridcol="4" gridrow="0" pageId="24" pageNumber="25">
<taxonomicName id="4DEB4D00FFC33C0F8596FEBBFBB0FE99" authorityName="UFPA" authorityYear="1284" box="[1000,1042,276,297]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="24" pageNumber="25" phylum="Chordata" rank="species" species="vossi">
<emphasis id="B89FEA91FFC33C0F8596FEBBFBB0FE99" box="[1000,1042,276,297]" italics="true" pageId="24" pageNumber="25">vossi</emphasis>
</taxonomicName>
</th>
</tr>
<tr id="34DB34C1FFC3C3E88609FEF6FB08FEDF" box="[119,1194,345,367]" gridrow="1" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FEF6FE97FEDF" box="[119,309,345,367]" gridcol="0" gridrow="1" pageId="24" pageNumber="25">Distribution</th>
<td id="770A5DBDFFC3C3E8872DFEF6FDB2FEDF" box="[339,528,345,367]" gridcol="1" gridrow="1" pageId="24" pageNumber="25">NE Amazonia</td>
<td id="770A5DBDFFC3C3E88451FEF6FD52FEDF" box="[559,752,345,367]" gridcol="2" gridrow="1" pageId="24" pageNumber="25">SE Amazonia</td>
<td id="770A5DBDFFC3C3E88575FEF6FC6DFEDF" box="[779,975,345,367]" gridcol="3" gridrow="1" pageId="24" pageNumber="25">SE Amazonia</td>
<td id="770A5DBDFFC3C3E88596FEF6FB08FEDF" box="[1000,1194,345,367]" gridcol="4" gridrow="1" pageId="24" pageNumber="25">SE Amazonia</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FE0BFB08FE5F" box="[119,1194,420,495]" gridrow="2" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FE0BFE97FE5F" box="[119,309,420,495]" gridcol="0" gridrow="2" pageId="24" pageNumber="25">Dorsal pelage</th>
<td id="770A5DBDFFC3C3E8872DFE0BFDB2FE5F" box="[339,528,420,495]" gridcol="1" gridrow="2" pageId="24" pageNumber="25">light to dark brown finely sprinkled with orange</td>
<td id="770A5DBDFFC3C3E88451FE0BFD52FE5F" box="[559,752,420,495]" gridcol="2" gridrow="2" pageId="24" pageNumber="25">orange-brown sprinkled with black</td>
<td id="770A5DBDFFC3C3E88575FE0BFC6DFE5F" box="[779,975,420,495]" gridcol="3" gridrow="2" pageId="24" pageNumber="25">dark brown finely sprinkled with orange</td>
<td id="770A5DBDFFC3C3E88596FE0BFB08FE5F" box="[1000,1194,420,495]" gridcol="4" gridrow="2" pageId="24" pageNumber="25">brown sprinkled with orange and/or black</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FDB9FB08FDF7" box="[119,1194,534,583]" gridrow="3" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FDB9FE97FDF7" box="[119,309,534,583]" gridcol="0" gridrow="3" pageId="24" pageNumber="25">Ventral pelage</th>
<td id="770A5DBDFFC3C3E8872DFDB9FDB2FDF7" box="[339,528,534,583]" gridcol="1" gridrow="3" pageId="24" pageNumber="25">pure white to buffy white</td>
<td id="770A5DBDFFC3C3E88451FDB9FD52FDF7" box="[559,752,534,583]" gridcol="2" gridrow="3" pageId="24" pageNumber="25">pure white to buffy white</td>
<td id="770A5DBDFFC3C3E88575FDB9FC6DFDF7" box="[779,975,534,583]" gridcol="3" gridrow="3" pageId="24" pageNumber="25">pure white to yellow- ish white</td>
<td id="770A5DBDFFC3C3E88596FDB9FB08FDF7" box="[1000,1194,534,583]" gridcol="4" gridrow="3" pageId="24" pageNumber="25">pure white to buffy white</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FDCCFB08FD23" box="[119,1194,611,659]" gridrow="4" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FDCCFE97FD23" box="[119,309,611,659]" gridcol="0" gridrow="4" pageId="24" pageNumber="25">Tail</th>
<td id="770A5DBDFFC3C3E8872DFDCCFDB2FD23" box="[339,528,611,659]" gridcol="1" gridrow="4" pageId="24" pageNumber="25">usually unicolored</td>
<td id="770A5DBDFFC3C3E88451FDCCFD52FD23" box="[559,752,611,659]" gridcol="2" gridrow="4" pageId="24" pageNumber="25">usually unicolored</td>
<td id="770A5DBDFFC3C3E88575FDCCFC6DFD23" box="[779,975,611,659]" gridcol="3" gridrow="4" pageId="24" pageNumber="25">bicolored</td>
<td id="770A5DBDFFC3C3E88596FDCCFB08FD23" box="[1000,1194,611,659]" gridcol="4" gridrow="4" pageId="24" pageNumber="25">usually slightly bicolored</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FD03FB08FD72" box="[119,1194,684,706]" gridrow="5" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FD03FE97FD72" box="[119,309,684,706]" gridcol="0" gridrow="5" pageId="24" pageNumber="25">Nasal bones</th>
<td id="770A5DBDFFC3C3E8872DFD03FDB2FD72" box="[339,528,684,706]" gridcol="1" gridrow="5" pageId="24" pageNumber="25"></td>
<td id="770A5DBDFFC3C3E88451FD03FD52FD72" box="[559,752,684,706]" gridcol="2" gridrow="5" pageId="24" pageNumber="25">expanded anteriorly</td>
<td id="770A5DBDFFC3C3E88575FD03FC6DFD72" box="[779,975,684,706]" gridcol="3" gridrow="5" pageId="24" pageNumber="25">straight anteriorly</td>
<td id="770A5DBDFFC3C3E88596FD03FB08FD72" box="[1000,1194,684,706]" gridcol="4" gridrow="5" pageId="24" pageNumber="25">expanded anteriorly</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FD45FB08FCB0" box="[119,1194,746,768]" gridrow="6" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FD45FE97FCB0" box="[119,309,746,768]" gridcol="0" gridrow="6" pageId="24" pageNumber="25">Interorbital region</th>
<td id="770A5DBDFFC3C3E8872DFD45FDB2FCB0" box="[339,528,746,768]" gridcol="1" gridrow="6" pageId="24" pageNumber="25">broad</td>
<td id="770A5DBDFFC3C3E88451FD45FD52FCB0" box="[559,752,746,768]" gridcol="2" gridrow="6" pageId="24" pageNumber="25">narrow</td>
<td id="770A5DBDFFC3C3E88575FD45FC6DFCB0" box="[779,975,746,768]" gridcol="3" gridrow="6" pageId="24" pageNumber="25">relatively broad</td>
<td id="770A5DBDFFC3C3E88596FD45FB08FCB0" box="[1000,1194,746,768]" gridcol="4" gridrow="6" pageId="24" pageNumber="25">narrow</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FC8FFB08FCE1" box="[119,1194,800,849]" gridrow="7" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FC8FFE97FCE1" box="[119,309,800,849]" gridcol="0" gridrow="7" pageId="24" pageNumber="25">Paraoccipital process</th>
<td id="770A5DBDFFC3C3E8872DFC8FFDB2FCE1" box="[339,528,800,849]" gridcol="1" gridrow="7" pageId="24" pageNumber="25"></td>
<td id="770A5DBDFFC3C3E88451FC8FFD52FCE1" box="[559,752,800,849]" gridcol="2" gridrow="7" pageId="24" pageNumber="25">usually separated from auditory bullae</td>
<td id="770A5DBDFFC3C3E88575FC8FFC6DFCE1" box="[779,975,800,849]" gridcol="3" gridrow="7" pageId="24" pageNumber="25">separated from audi- tory bullae</td>
<td id="770A5DBDFFC3C3E88596FC8FFB08FCE1" box="[1000,1194,800,849]" gridcol="4" gridrow="7" pageId="24" pageNumber="25">close to the auditory bullae</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FCCFFB08FC21" box="[119,1194,864,913]" gridrow="8" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FCCFFE97FC21" box="[119,309,864,913]" gridcol="0" gridrow="8" pageId="24" pageNumber="25">Subsquamosal fenes- trae</th>
<td id="770A5DBDFFC3C3E8872DFCCFFDB2FC21" box="[339,528,864,913]" gridcol="1" gridrow="8" pageId="24" pageNumber="25"></td>
<td id="770A5DBDFFC3C3E88451FCCFFD52FC21" box="[559,752,864,913]" gridcol="2" gridrow="8" pageId="24" pageNumber="25">small</td>
<td id="770A5DBDFFC3C3E88575FCCFFC6DFC21" box="[779,975,864,913]" gridcol="3" gridrow="8" pageId="24" pageNumber="25">large</td>
<td id="770A5DBDFFC3C3E88596FCCFFB08FC21" box="[1000,1194,864,913]" gridcol="4" gridrow="8" pageId="24" pageNumber="25">usually small</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FC0EFB08FC61" box="[119,1194,929,977]" gridrow="9" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FC0EFE97FC61" box="[119,309,929,977]" gridcol="0" gridrow="9" pageId="24" pageNumber="25">Sphenopalatine fora- men</th>
<td id="770A5DBDFFC3C3E8872DFC0EFDB2FC61" box="[339,528,929,977]" gridcol="1" gridrow="9" pageId="24" pageNumber="25"></td>
<td id="770A5DBDFFC3C3E88451FC0EFD52FC61" box="[559,752,929,977]" gridcol="2" gridrow="9" pageId="24" pageNumber="25">small</td>
<td id="770A5DBDFFC3C3E88575FC0EFC6DFC61" box="[779,975,929,977]" gridcol="3" gridrow="9" pageId="24" pageNumber="25">large</td>
<td id="770A5DBDFFC3C3E88596FC0EFB08FC61" box="[1000,1194,929,977]" gridcol="4" gridrow="9" pageId="24" pageNumber="25">large</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FC44FB08FBAB" box="[119,1194,1003,1051]" gridrow="10" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FC44FE97FBAB" box="[119,309,1003,1051]" gridcol="0" gridrow="10" pageId="24" pageNumber="25">Lateral expansion of parietal</th>
<td id="770A5DBDFFC3C3E8872DFC44FDB2FBAB" box="[339,528,1003,1051]" gridcol="1" gridrow="10" pageId="24" pageNumber="25">restricted</td>
<td id="770A5DBDFFC3C3E88451FC44FD52FBAB" box="[559,752,1003,1051]" gridcol="2" gridrow="10" pageId="24" pageNumber="25">slightly expanded to restricted</td>
<td id="770A5DBDFFC3C3E88575FC44FC6DFBAB" box="[779,975,1003,1051]" gridcol="3" gridrow="10" pageId="24" pageNumber="25">restricted</td>
<td id="770A5DBDFFC3C3E88596FC44FB08FBAB" box="[1000,1194,1003,1051]" gridcol="4" gridrow="10" pageId="24" pageNumber="25">slightly expanded to restricted</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FB96FB08FBE0" box="[119,1194,1081,1104]" gridrow="11" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FB96FE97FBE0" box="[119,309,1081,1104]" gridcol="0" gridrow="11" pageId="24" pageNumber="25">Carotid circulation</th>
<td id="770A5DBDFFC3C3E8872DFB96FDB2FBE0" box="[339,528,1081,1104]" gridcol="1" gridrow="11" pageId="24" pageNumber="25">pattern 1</td>
<td id="770A5DBDFFC3C3E88451FB96FD52FBE0" box="[559,752,1081,1104]" gridcol="2" gridrow="11" pageId="24" pageNumber="25">usually pattern 1a</td>
<td id="770A5DBDFFC3C3E88575FB96FC6DFBE0" box="[779,975,1081,1104]" gridcol="3" gridrow="11" pageId="24" pageNumber="25">usually pattern 2b</td>
<td id="770A5DBDFFC3C3E88596FB96FB08FBE0" box="[1000,1194,1081,1104]" gridcol="4" gridrow="11" pageId="24" pageNumber="25">pattern 1</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FBC4FB08FB2C" box="[119,1194,1131,1180]" gridrow="12" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FBC4FE97FB2C" box="[119,309,1131,1180]" gridcol="0" gridrow="12" pageId="24" pageNumber="25">Incisive foramina</th>
<td id="770A5DBDFFC3C3E8872DFBC4FDB2FB2C" box="[339,528,1131,1180]" gridcol="1" gridrow="12" pageId="24" pageNumber="25">small and usually subparallel</td>
<td id="770A5DBDFFC3C3E88451FBC4FD52FB2C" box="[559,752,1131,1180]" gridcol="2" gridrow="12" pageId="24" pageNumber="25">small and subparallel</td>
<td id="770A5DBDFFC3C3E88575FBC4FC6DFB2C" box="[779,975,1131,1180]" gridcol="3" gridrow="12" pageId="24" pageNumber="25">small and usually teardrop shaped</td>
<td id="770A5DBDFFC3C3E88596FBC4FB08FB2C" box="[1000,1194,1131,1180]" gridcol="4" gridrow="12" pageId="24" pageNumber="25">small and subparallel</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FB1EFB08FB52" box="[119,1194,1201,1250]" gridrow="13" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FB1EFE97FB52" box="[119,309,1201,1250]" gridcol="0" gridrow="13" pageId="24" pageNumber="25">Maxillary septum of incisive foramina</th>
<td id="770A5DBDFFC3C3E8872DFB1EFDB2FB52" box="[339,528,1201,1250]" gridcol="1" gridrow="13" pageId="24" pageNumber="25"></td>
<td id="770A5DBDFFC3C3E88451FB1EFD52FB52" box="[559,752,1201,1250]" gridcol="2" gridrow="13" pageId="24" pageNumber="25">wide</td>
<td id="770A5DBDFFC3C3E88575FB1EFC6DFB52" box="[779,975,1201,1250]" gridcol="3" gridrow="13" pageId="24" pageNumber="25">narrow</td>
<td id="770A5DBDFFC3C3E88596FB1EFB08FB52" box="[1000,1194,1201,1250]" gridcol="4" gridrow="13" pageId="24" pageNumber="25">usually wide</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FAAEFB08FAA7" box="[119,1194,1281,1303]" gridrow="14" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FAAEFE97FAA7" box="[119,309,1281,1303]" gridcol="0" gridrow="14" pageId="24" pageNumber="25">Zygomatic plate</th>
<td id="770A5DBDFFC3C3E8872DFAAEFDB2FAA7" box="[339,528,1281,1303]" gridcol="1" gridrow="14" pageId="24" pageNumber="25">narrow</td>
<td id="770A5DBDFFC3C3E88451FAAEFD52FAA7" box="[559,752,1281,1303]" gridcol="2" gridrow="14" pageId="24" pageNumber="25">narrow to broad</td>
<td id="770A5DBDFFC3C3E88575FAAEFC6DFAA7" box="[779,975,1281,1303]" gridcol="3" gridrow="14" pageId="24" pageNumber="25">narrow</td>
<td id="770A5DBDFFC3C3E88596FAAEFB08FAA7" box="[1000,1194,1281,1303]" gridcol="4" gridrow="14" pageId="24" pageNumber="25">narrow</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FA99FB08FAE9" box="[119,1194,1334,1369]" gridrow="15" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FA99FE97FAE9" box="[119,309,1334,1369]" gridcol="0" gridrow="15" pageId="24" pageNumber="25">Auditory bullae</th>
<td id="770A5DBDFFC3C3E8872DFA99FDB2FAE9" box="[339,528,1334,1369]" gridcol="1" gridrow="15" pageId="24" pageNumber="25">usually flask-shaped</td>
<td id="770A5DBDFFC3C3E88451FA99FD52FAE9" box="[559,752,1334,1369]" gridcol="2" gridrow="15" pageId="24" pageNumber="25">usually globular</td>
<td id="770A5DBDFFC3C3E88575FA99FC6DFAE9" box="[779,975,1334,1369]" gridcol="3" gridrow="15" pageId="24" pageNumber="25">globular</td>
<td id="770A5DBDFFC3C3E88596FA99FB08FAE9" box="[1000,1194,1334,1369]" gridcol="4" gridrow="15" pageId="24" pageNumber="25">globular</td>
</tr>
<tr id="34DB34C1FFC3C3E88609FAD2FB08FA23" box="[119,1194,1405,1427]" gridrow="16" pageId="24" pageNumber="25">
<th id="770A5DBDFFC3C3E88609FAD2FE97FA23" box="[119,309,1405,1427]" gridcol="0" gridrow="16" pageId="24" pageNumber="25">M1 anteroloph</th>
<td id="770A5DBDFFC3C3E8872DFAD2FDB2FA23" box="[339,528,1405,1427]" gridcol="1" gridrow="16" pageId="24" pageNumber="25"></td>
<td id="770A5DBDFFC3C3E88451FAD2FD52FA23" box="[559,752,1405,1427]" gridcol="2" gridrow="16" pageId="24" pageNumber="25">fused</td>
<td id="770A5DBDFFC3C3E88575FAD2FC6DFA23" box="[779,975,1405,1427]" gridcol="3" gridrow="16" pageId="24" pageNumber="25">fused or distinct</td>
<td id="770A5DBDFFC3C3E88596FAD2FB08FA23" box="[1000,1194,1405,1427]" gridcol="4" gridrow="16" pageId="24" pageNumber="25">usually distinct</td>
</tr>
</table>
</paragraph>
<paragraph id="8A543683FFC33C0F8612FA17FC93FA7F" blockId="24.[108,861,1464,1514]" box="[108,817,1464,1487]" pageId="24" pageNumber="25">
<superScript id="7D9E9BCBFFC33C0F8612FA17FFD1FA76" attach="left" box="[108,115,1464,1478]" fontSize="6" pageId="24" pageNumber="25">a</superScript>
We found variation in this character, please see
<taxonomicName id="4DEB4D00FFC33C0F8453FA15FD1CFA7F" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[557,702,1466,1487]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="24" pageNumber="25" phylum="Chordata" rank="species" species="xingu">
<emphasis id="B89FEA91FFC33C0F8453FA15FD1CFA7F" box="[557,702,1466,1487]" italics="true" pageId="24" pageNumber="25">Neacomys xingu</emphasis>
</taxonomicName>
description.
</paragraph>
<paragraph id="8A543683FFC33C0F8612FA7DFCFFFA5A" blockId="24.[108,861,1464,1514]" box="[108,861,1490,1514]" pageId="24" pageNumber="25">
<superScript id="7D9E9BCBFFC33C0F8612FA7DFFD6FA50" attach="left" box="[108,116,1490,1504]" fontSize="6" pageId="24" pageNumber="25">b</superScript>
We found variation in this character, please see
<taxonomicName id="4DEB4D00FFC33C0F8453FA7BFD4BFA59" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[557,745,1492,1513]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="24" pageNumber="25" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFC33C0F8453FA7BFD4BFA59" box="[557,745,1492,1513]" italics="true" pageId="24" pageNumber="25">Neacomys marajoara</emphasis>
</taxonomicName>
description.
</paragraph>
<paragraph id="8A543683FFC33C0F86E2F9A8FED4F96B" blockId="24.[108,1212,1542,1755]" pageId="24" pageNumber="25">
<taxonomicName id="4DEB4D00FFC33C0F86E2F9A8FE38F990" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[156,410,1543,1568]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="24" pageNumber="25" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFC33C0F86E2F9A8FE38F990" box="[156,410,1543,1568]" italics="true" pageId="24" pageNumber="25">Neacomys marajoara</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4DEB4D00FFC33C0F843AF9A8FD0CF990" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[580,686,1543,1568]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="24" pageNumber="25" phylum="Chordata" rank="species" species="xingu">
<emphasis id="B89FEA91FFC33C0F843AF9A8FD0CF990" box="[580,686,1543,1568]" italics="true" pageId="24" pageNumber="25">N. xingu</emphasis>
</taxonomicName>
in dorsal pelage color (dark brown finely sprinkled with orange versus orange-brown sprinkled with black in
<taxonomicName id="4DEB4D00FFC33C0F85C2F983FB87F9F5" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[956,1061,1580,1605]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="24" pageNumber="25" phylum="Chordata" rank="species" species="xingu">
<emphasis id="B89FEA91FFC33C0F85C2F983FB87F9F5" box="[956,1061,1580,1605]" italics="true" pageId="24" pageNumber="25">N. xingu</emphasis>
</taxonomicName>
), and by its bicolored tail (the tail is usually unicolored in
<taxonomicName id="4DEB4D00FFC33C0F84EFF9FDFD54F9DB" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[657,758,1618,1643]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="24" pageNumber="25" phylum="Chordata" rank="species" species="xingu">
<emphasis id="B89FEA91FFC33C0F84EFF9FDFD54F9DB" box="[657,758,1618,1643]" italics="true" pageId="24" pageNumber="25">N. xingu</emphasis>
</taxonomicName>
), anteriorly straight (versus anteriorly expanded) nasal bones, broader interorbital region, narrower maxillary septum of the incisive foramina, larger subsquamosal fenestrae, and carotid circulation usually pattern 2 (versus usually pattern 1).
</paragraph>
</subSubSection>
<subSubSection id="C2F16508FFC23C0E86E2FF4DFE29FDC1" pageId="25" pageNumber="26" type="description">
<paragraph id="8A543683FFC23C0E86E2FF4DFCA8FE06" blockId="25.[108,1216,225,1000]" pageId="25" pageNumber="26">
<taxonomicName id="4DEB4D00FFC23C0E86E2FF4DFE32FF4B" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[156,400,226,251]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="25" pageNumber="26" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFC23C0E86E2FF4DFE32FF4B" box="[156,400,226,251]" italics="true" pageId="25" pageNumber="26">Neacomys marajoara</emphasis>
</taxonomicName>
differs from
<taxonomicName id="4DEB4D00FFC23C0E8452FF4DFD27FF4B" authorityName="UFPA" authorityYear="1284" box="[556,645,226,251]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="25" pageNumber="26" phylum="Chordata" rank="species" species="vossi">
<emphasis id="B89FEA91FFC23C0E8452FF4DFD27FF4B" box="[556,645,226,251]" italics="true" pageId="25" pageNumber="26">N. vossi</emphasis>
</taxonomicName>
in dorsal pelage color (dark brown finely sprinkled with orange versus brown sprinkled with orange and/or black in
<taxonomicName id="4DEB4D00FFC23C0E85B5FEA8FB85FE90" authorityName="UFPA" authorityYear="1284" box="[971,1063,263,288]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="25" pageNumber="26" phylum="Chordata" rank="species" species="vossi">
<emphasis id="B89FEA91FFC23C0E85B5FEA8FB85FE90" box="[971,1063,263,288]" italics="true" pageId="25" pageNumber="26">N. vossi</emphasis>
</taxonomicName>
), and by its anteriorly straight (versus anteriorly expanded) nasal bones, broader interorbital region, paraoccipital processes separated from the auditory bullae (versus processes close to the auditory bullae), larger subsquamosal fenestrae, carotid circulation usually pattern 2 (versus pattern 1), and narrower maxillary septum of the incisive foramina.
</paragraph>
<paragraph id="8A543683FFC23C0E86E2FE6EFE29FDC1" blockId="25.[108,1216,225,1000]" pageId="25" pageNumber="26">
Karyotypically,
<taxonomicName id="4DEB4D00FFC23C0E872BFE6DFDE9FE6B" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[341,587,450,475]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="25" pageNumber="26" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFC23C0E872BFE6DFDE9FE6B" box="[341,587,450,475]" italics="true" pageId="25" pageNumber="26">Neacomys marajoara</emphasis>
</taxonomicName>
differs from other species in the Dubosti Group by having a diploid chromosomal complement of 58 (versus 2
<emphasis id="B89FEA91FFC23C0E8544FE48FCE8FDB0" box="[826,842,487,512]" italics="true" pageId="25" pageNumber="26">n</emphasis>
=
<quantity id="4D139B66FFC23C0E8511FE48FC0FFDB1" box="[879,941,487,513]" metricMagnitude="0" metricUnit="m" metricValue="1.6256" pageId="25" pageNumber="26" unit="in" value="64.0">64 in</quantity>
<taxonomicName id="4DEB4D00FFC23C0E85C6FE48FB93FDB1" box="[952,1073,487,513]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="25" pageNumber="26" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFC23C0E85C6FE48FB93FDB1" box="[952,1073,487,513]" italics="true" pageId="25" pageNumber="26">N. dubosti</emphasis>
</taxonomicName>
; table 5), a uniquely large FN of 70 autosomal arms (versus FN =
<quantity id="4D139B66FFC23C0E8481FDA3FCCAFD96" box="[767,872,524,550]" metricMagnitude="0" metricUnit="m" metricValue="1.6764" metricValueMax="1.7271999999999998" metricValueMin="1.6256" pageId="25" pageNumber="26" unit="in" value="66.0" valueMax="68.0" valueMin="64.0">6468 in</quantity>
other group members), and submetacentric sex chromosomes (at least one of the sex chromosomes is acrocentric in
<taxonomicName id="4DEB4D00FFC23C0E82DEFD9DFF62FDC1" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="25" pageNumber="26" phylum="Chordata" rank="species" species="dubosti">
<emphasis id="B89FEA91FFC23C0E82DEFD9DFF62FDC1" italics="true" pageId="25" pageNumber="26">N. dubosti</emphasis>
</taxonomicName>
and “species 2”).
</paragraph>
</subSubSection>
<subSubSection id="C2F16508FFC23C0E86E2FDD3FEF2FD0C" pageId="25" pageNumber="26" type="distribution">
<paragraph id="8A543683FFC23C0E86E2FDD3FEF2FD0C" blockId="25.[108,1216,225,1000]" pageId="25" pageNumber="26">
DISTRIBUTION:
<taxonomicName id="4DEB4D00FFC23C0E8724FDD2FDF1FD26" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[346,595,637,662]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="25" pageNumber="26" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFC23C0E8724FDD2FDF1FD26" box="[346,595,637,662]" italics="true" pageId="25" pageNumber="26">Neacomys marajoara</emphasis>
</taxonomicName>
has been recorded only on Marajó Island, state of Pará,
<collectingCountry id="F2FC7613FFC23C0E86D1FD0EFF56FD0B" box="[175,244,673,699]" name="Brazil" pageId="25" pageNumber="26">Brazil</collectingCountry>
(fig. 5).
</paragraph>
</subSubSection>
<subSubSection id="C2F16508FFC23C0E86E2FD68FCB3FC2B" pageId="25" pageNumber="26" type="etymology">
<paragraph id="8A543683FFC23C0E86E2FD68FC6EFC9C" blockId="25.[108,1216,225,1000]" pageId="25" pageNumber="26">
ETYMOLOGY: The specific epithet
<taxonomicName id="4DEB4D00FFC23C0E8450FD68FD05FD50" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[558,679,711,736]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="25" pageNumber="26" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFC23C0E8450FD68FD05FD50" box="[558,679,711,736]" italics="true" pageId="25" pageNumber="26">marajoara</emphasis>
</taxonomicName>
is to be treated as a noun in apposition. It is derived from Tupi Guarani (a language family that comprises many different indigenous Amazonian dialects) and denotes a native of Marajó Island (the
<typeStatus id="55508821FFC23C0E8555FCBDFCFCFC9C" box="[811,862,786,812]" pageId="25" pageNumber="26">type</typeStatus>
locality).
</paragraph>
<paragraph id="8A543683FFC23C0E86E3FC98FCB3FC2B" blockId="25.[108,1216,225,1000]" pageId="25" pageNumber="26">
<materialsCitation id="3A833CDEFFC23C0E86E3FC98FE2CFC2C" ID-GBIF-Occurrence="3312998305" collectionCode="FIELD, NOTES" pageId="25" pageNumber="26" specimenCode="MPEG 40435" specimenCount="1" typeStatus="paratype">
<collectionCode id="ECFAAE46FFC23C0E86E3FC98FE99FCE1" box="[157,315,823,849]" pageId="25" pageNumber="26">FIELD NOTES</collectionCode>
: Of the nine specimens for which trapping information is available,
<collectingMethod id="53AA4E94FFC23C0E82FFFC98FE1FFCC7" pageId="25" pageNumber="26">eight were captured in pitfall traps</collectingMethod>
and one was taken in a
<collectingMethod id="53AA4E94FFC23C0E84A7FCF3FCDBFCC7" box="[729,889,860,887]" pageId="25" pageNumber="26">Sherman trap</collectingMethod>
placed on the ground. One
<typeStatus id="55508821FFC23C0E8613FC2DFF71FC2C" box="[109,211,898,924]" pageId="25" pageNumber="26" type="paratype">paratype</typeStatus>
(
<specimenCode id="DA4D9EF8FFC23C0E869CFC2EFE24FC2C" box="[226,390,897,924]" collectionCode="MPEG" country="Brazil" httpUri="http://grbio.org/cool/90vz-swjg" name="Museu Paraense Emilio Goeldi" pageId="25" pageNumber="26">MPEG 40435</specimenCode>
)
</materialsCitation>
was pregnant with three fetuses.
</paragraph>
</subSubSection>
<subSubSection id="C2F16508FFC23C0E86E2FC08FBDFFC57" pageId="25" pageNumber="26" type="discussion">
<paragraph id="8A543683FFC23C0E86E2FC08FBDFFC57" blockId="25.[108,1216,225,1000]" pageId="25" pageNumber="26">
REMARKS:
<taxonomicName id="4DEB4D00FFC23C0E8765FC08FDACFC70" authorityName="Semedo &amp; Silva &amp; Gutiérrez &amp; Ferreira &amp; Nunes &amp; Mendes-Oliveira &amp; Farias &amp; Rossi" authorityYear="2020" box="[283,526,935,960]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="25" pageNumber="26" phylum="Chordata" rank="species" species="marajoara">
<emphasis id="B89FEA91FFC23C0E8765FC08FDACFC70" box="[283,526,935,960]" italics="true" pageId="25" pageNumber="26">Neacomys marajoara</emphasis>
</taxonomicName>
was previously reported in the literature as “
<taxonomicName id="4DEB4D00FFC23C0E8264FC08FB2FFC70" box="[1050,1165,935,960]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="25" pageNumber="26" phylum="Chordata" rank="genus">
<emphasis id="B89FEA91FFC23C0E8264FC08FB2FFC70" box="[1050,1165,935,960]" italics="true" pageId="25" pageNumber="26">Neacomys</emphasis>
</taxonomicName>
sp.” (in part) by Silva at al. (2015) and as “
<taxonomicName id="4DEB4D00FFC23C0E844EFC61FD01FC57" box="[560,675,974,999]" class="Mammalia" family="Muridae" genus="Neacomys" kingdom="Animalia" order="Rodentia" pageId="25" pageNumber="26" phylum="Chordata" rank="genus">
<emphasis id="B89FEA91FFC23C0E844EFC61FD01FC57" box="[560,675,974,999]" italics="true" pageId="25" pageNumber="26">Neacomys</emphasis>
</taxonomicName>
sp. D” by
<bibRefCitation id="EE7A4B72FFC23C0E8561FC62FBDBFC57" author="Oliveira da Silva, W." box="[799,1145,973,1000]" pageId="25" pageNumber="26" pagination="1 - 13" refId="ref15539" refString="Oliveira da Silva, W., et al. 2019. Chromosomal phylogeny and comparative chromosome painting among Neacomys species (Rodentia, Sigmodontinae) from eastern Amazonia. Bmc Evolutionary Biology 19: 1 - 13." type="journal article" year="2019">Oliveira da Silva et al. (2019)</bibRefCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>