181 lines
26 KiB
XML
181 lines
26 KiB
XML
<document id="1813A81ADE817E78E0755B3210339AB8" ID-DOI="10.5281/zenodo.181811" ID-GBIF-Dataset="97b48148-0d1c-4040-8de1-64bf75b859c4" ID-ISSN="1175-5326" ID-Zenodo-Dep="181811" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459841993743" checkinUser="plazi" docAuthor="Solari, Sergio & Pine, Ronald H." docDate="2008" docId="BC18ED17D57BFFC99DDD67E4FC9E3065" docLanguage="en" docName="zt01756p061.pdf" docOrigin="Zootaxa 1756" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Marmosa (Stegomarmosa) andersoni" docType="treatment" docVersion="7" lastPageNumber="56" masterDocId="4021956FD57FFFCE9D4A6343FF93364F" masterDocTitle="Rediscovery and redescription of Marmosa (Stegomarmosa) andersoni Pine (Mammalia: Didelphimorphia: Didelphidae), an endemic Peruvian mouse opossum, with a reassessment of its affinities" masterLastPageNumber="61" masterPageNumber="49" pageNumber="53" updateTime="1698224320458" updateUser="plazi">
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<mods:title id="5638355D0D011B12800E33D7B3CE05F7">Rediscovery and redescription of Marmosa (Stegomarmosa) andersoni Pine (Mammalia: Didelphimorphia: Didelphidae), an endemic Peruvian mouse opossum, with a reassessment of its affinities</mods:title>
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<mods:namePart id="238E8A9696B0AB602169EE28881C058A">Solari, Sergio</mods:namePart>
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<mods:namePart id="ED38FA0B65BCE5430A818E8232F3E68F">Pine, Ronald H.</mods:namePart>
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<mods:date id="D78FAB6394F3CB612CAFD45D19808039">2008</mods:date>
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<treatment id="BC18ED17D57BFFC99DDD67E4FC9E3065" ID-DOI="http://doi.org/10.5281/zenodo.6232953" ID-GBIF-Taxon="119360389" ID-Zenodo-Dep="6232953" LSID="urn:lsid:plazi:treatment:BC18ED17D57BFFC99DDD67E4FC9E3065" httpUri="http://treatment.plazi.org/id/BC18ED17D57BFFC99DDD67E4FC9E3065" lastPageId="7" lastPageNumber="56" pageId="4" pageNumber="53">
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<subSubSection id="7CAB0F8AD57BFFCA9DDD67E4FCBE328E" box="[151,813,1191,1217]" pageId="4" pageNumber="53" type="nomenclature">
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<paragraph id="340E5C01D57BFFCA9DDD67E4FCBE328E" blockId="4.[151,813,1191,1217]" box="[151,813,1191,1217]" pageId="4" pageNumber="53">
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<heading id="6F46EB6DD57BFFCA9DDD67E4FCBE328E" bold="true" box="[151,813,1191,1217]" fontSize="11" level="1" pageId="4" pageNumber="53" reason="1">
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<emphasis id="06C58013D57BFFCA9DDD67E4FCBE328E" bold="true" box="[151,813,1191,1217]" pageId="4" pageNumber="53">
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Redescription of
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<taxonomicName id="F3B12782D57BFFCA9C2667E4FCBE328E" ID-CoL="3Y83C" box="[364,813,1191,1217]" class="Mammalia" family="Didelphidae" genus="Marmosa" kingdom="Animalia" order="Didelphimorphia" pageId="4" pageNumber="53" phylum="Chordata" rank="species" species="andersoni" subGenus="Stegomarmosa">
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<emphasis id="06C58013D57BFFCA9C2667E4FCBE328E" bold="true" box="[364,813,1191,1217]" italics="true" pageId="4" pageNumber="53">Marmosa (Stegomarmosa) andersoni</emphasis>
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</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="7CAB0F8AD57BFFC99DDD67B1FC9E3065" lastPageId="7" lastPageNumber="56" pageId="4" pageNumber="53" type="description">
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<paragraph id="340E5C01D57BFFCA9DDD67B1FDAF303B" blockId="4.[151,1437,1266,2012]" pageId="4" pageNumber="53">
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Characters which may be taken as distinctive as compared to those of other mouse opossums, and at the subgeneric or generic level, for
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<taxonomicName id="F3B12782D57BFFCA9CAF6658FD01337B" box="[485,658,1307,1332]" class="Mammalia" family="Didelphidae" genus="Stegomarmosa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Didelphimorphia" pageId="4" pageNumber="53" phylum="Chordata" rank="genus">
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<emphasis id="06C58013D57BFFCA9CAF6658FD01337B" box="[485,658,1307,1332]" italics="true" pageId="4" pageNumber="53">Stegomarmosa</emphasis>
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</taxonomicName>
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include the relatively enormous postorbital process of the frontal, in shape somewhat like that of
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<taxonomicName id="F3B12782D57BFFCA9F4A6600FC943313" authority="J. A. Allen" authorityName="J. A. Allen" box="[512,775,1346,1372]" class="Mammalia" family="Didelphidae" genus="Caluromys" kingdom="Animalia" order="Didelphimorphia" pageId="4" pageNumber="53" phylum="Chordata" rank="genus">
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<emphasis id="06C58013D57BFFCA9F4A6600FD133313" box="[512,640,1347,1372]" italics="true" pageId="4" pageNumber="53">Caluromys</emphasis>
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J. A. Allen
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</taxonomicName>
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, the strongly constricted interorbital area, and the exceptionally large orbits (see
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<bibRefCitation id="502021F0D57BFFCA9CF66629FDA433CB" author="Pine" box="[444,567,1386,1412]" pageId="4" pageNumber="60" refString="Pine, R. H. (1972) A new subgenus and species of murine opossum (genus Marmosa) from Peru. Journal of Mammalogy, 53, 279 - 282." type="journal article" year="1972">Pine 1972</bibRefCitation>
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). In addition, the first lower premolar is normally in broad contact, above the level of the alveoli, with the lower canine (
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<figureCitation id="AC8A4084D57BFFCA9FF766D1FC9633E3" box="[701,773,1426,1452]" captionStart="FIGURE 2" captionStartId="6.[151,255,1908,1932]" captionTargetBox="[183,1407,186,1882]" captionTargetId="figure@6.[183,1408,138,1938]" captionTargetPageId="6" captionText="FIGURE 2. Dorsal (above, left) and ventral (above, right) view of the skull and lower jaw (below) of MUSM 14154, a female specimen of M. andersoni reported in the text. Some of the distinctive traits of the species are shown, including the development of the postorbital processes and the first lower premolar’s filling in the space between the lower canine and the second lower premolar. Scale bars = 5 mm." httpUri="https://zenodo.org/record/181813/files/figure.png" pageId="4" pageNumber="53">Fig. 2</figureCitation>
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). On the right side of MUSM 14154, however, this contact misses by less than a hair’s width. The lower canine is procumbent and apically laterally flattened, as characterized by
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<bibRefCitation id="502021F0D57BFFCA9C1566A1FDFA33B3" author="Voss" box="[351,617,1506,1532]" pageId="4" pageNumber="61" refString="Voss, R. S. & Jansa, S. A. (2003) Phylogenetic studies on didelphid marsupials II. Nonmolecular data and new IRBP sequences: separate and combined analyses of didelphine relationships with denser taxon sampling. Bulletin of the American Museum of Natural History, 276, 1 - 82." type="journal article" year="2003">Voss and Jansa (2003)</bibRefCitation>
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. The ascending ramus of the dentary forms an unusually obtuse angle with the horizontal body of the dentary (
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<figureCitation id="AC8A4084D57BFFCA9F3B6549FD2A306B" box="[625,697,1546,1572]" captionStart="FIGURE 2" captionStartId="6.[151,255,1908,1932]" captionTargetBox="[183,1407,186,1882]" captionTargetId="figure@6.[183,1408,138,1938]" captionTargetPageId="6" captionText="FIGURE 2. Dorsal (above, left) and ventral (above, right) view of the skull and lower jaw (below) of MUSM 14154, a female specimen of M. andersoni reported in the text. Some of the distinctive traits of the species are shown, including the development of the postorbital processes and the first lower premolar’s filling in the space between the lower canine and the second lower premolar. Scale bars = 5 mm." httpUri="https://zenodo.org/record/181813/files/figure.png" pageId="4" pageNumber="53">Fig. 2</figureCitation>
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). Most of the ventral surface of the tail is covered distally with unusually long silvery bristles that form a well-developed and characteristic fringe on each side of the midventral friction pad (see
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<bibRefCitation id="502021F0D57BFFCA9CFF6519FDBC303B" author="Pine" box="[437,559,1626,1652]" pageId="4" pageNumber="60" refString="Pine, R. H. (1972) A new subgenus and species of murine opossum (genus Marmosa) from Peru. Journal of Mammalogy, 53, 279 - 282." type="journal article" year="1972">Pine 1972</bibRefCitation>
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).
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</paragraph>
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<paragraph id="340E5C01D57BFFC99D8C65C1FD4E34AD" blockId="4.[151,1437,1266,2012]" lastBlockId="7.[151,1437,152,1578]" lastPageId="7" lastPageNumber="56" pageId="4" pageNumber="53">
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The species
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<taxonomicName id="F3B12782D57BFFCA9C2A65C0FC8D30D3" box="[352,798,1667,1692]" class="Mammalia" family="Didelphidae" genus="Marmosa" kingdom="Animalia" order="Didelphimorphia" pageId="4" pageNumber="53" phylum="Chordata" rank="species" species="andersoni" subGenus="Stegomarmosa">
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<emphasis id="06C58013D57BFFCA9C2A65C0FC8D30D3" box="[352,798,1667,1692]" italics="true" pageId="4" pageNumber="53">Marmosa (Stegomarmosa) andersoni</emphasis>
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</taxonomicName>
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is a medium-sized mouse opossum (
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<quantity id="F349F1E4D57BFFCA99A065C1FADD30D3" box="[1258,1358,1666,1692]" metricMagnitude="-2" metricUnit="kg" metricValue="3.3" metricValueMax="3.8" metricValueMin="2.8" pageId="4" pageNumber="53" unit="g" value="33.0" valueMax="38.0" valueMin="28.0">28-38 g</quantity>
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.). The throat gland is apparent in both adult males and adult females and in at least one immature male (MUSM 14151) of age class 2 as defined by Pine
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<emphasis id="06C58013D57BFFCA9F3C6590FD2330A3" box="[630,688,1747,1772]" italics="true" pageId="4" pageNumber="53">et al.</emphasis>
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(1985a). The apparent mammary formula is 4-1-4 with all teats being abdominal-inguinal (based on MUSM 14154). Black eye-rings are prominent, widest anterior to eyes but not prolonged into area where muzzle vibrissae originate; hair on cheeks and chin cream-colored to base; a pale buffy patch on top of muzzle just posterior to rhinarium; dorsal fur relatively long, lax, not kinky, plumbeous for most of its length but tipped with a color near Snuff Brown of
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<bibRefCitation id="502021F0D57BFFCA996B6431FB7731C3" author="Ridgway" box="[1057,1252,1906,1932]" pageId="4" pageNumber="60" refString="Ridgway, R. (1912) Color Standards and Color Nomenclature. Published by the author, Washington, D. C., iv + 44 pp. + 53 pls." type="book" year="1912">Ridgway (1912)</bibRefCitation>
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; ventral surface cream-buff, with hairs plumbeous at base. Fur of mammary region short, white, and woolly. Ultravioletinduced fluorescence (presumably fugitive; see Pine
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<emphasis id="06C58013D57BFFCA9E4A6480FCA93193" box="[768,826,1987,2012]" italics="true" pageId="4" pageNumber="53">et al.</emphasis>
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1985b) is bright rose on venter of (longer-prepared) juvenile MUSM 14151, less manifest in (more recently prepared) adults, as is often the case in didelphids. Dorsally, UV light elicits a maroon-chestnut shade in these animals. Facial vibrissae mostly black, but some are white near tips. Minor vibrissae along upper lip at least sometimes white; vibrissae on wrist and throat also white. Pinnae translucent and gray-brown, appearing naked but sprinkled externally with small shiny brown hairs visible under magnification; internally, pinnae with similar but mostly whitish hairs. Tail bicolored and longer than head plus body, with no evidence of incrassation; soft-furred only at base both dorsally and ventrally (on stuffed MUSM 14154 extends onto tail until about
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<quantity id="F349F1E4D578FFC99E2F62CBFC2B37ED" box="[869,952,392,418]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="7" pageNumber="56" unit="mm" value="20.0">20 mm</quantity>
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from anus) and then with short blackishbrown spindle-shaped spines dorsally, becoming more elongate distally; ventral surface with proximal dark spindle-shaped bristles mixed with paler bristles, bristles becoming longer, slenderer, and whitish to silvery distally, longer and denser than in mouse opossums generally. Pattern of scalation of tail largely obscured by tail bristles except where skin of tail stretched by excess stuffing, apparently ranging from annular to spiral, depending on location (regarded as “in spiral series” by
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<bibRefCitation id="502021F0D578FFC99E656113FB803425" author="Voss" box="[815,1043,592,618]" pageId="7" pageNumber="61" refString="Voss, R. S. & Jansa, S. A. (2003) Phylogenetic studies on didelphid marsupials II. Nonmolecular data and new IRBP sequences: separate and combined analyses of didelphine relationships with denser taxon sampling. Bulletin of the American Museum of Natural History, 276, 1 - 82." type="journal article" year="2003">Voss & Jansa 2003</bibRefCitation>
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, and scored as such by us). Scale shape is roughly circular, in some regions with distal margin flattened (see
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<bibRefCitation id="502021F0D578FFC9994C613BFBEE34DD" author="Tate" box="[1030,1149,632,658]" pageId="7" pageNumber="61" refString="Tate, G. H. H. (1933) A systematic revision of the marsupial genus Marmosa, with a discussion of the adaptive radiation of the murine opossums (Marmosa). Bulletin of the American Museum of Natural History, 66, 1 - 251 + 26 pls. + 9 folding tables." type="journal article" year="1933">Tate 1933</bibRefCitation>
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, who figured this condition for other mouse opossums). Interdigital pads 2 and 3 are subequal in size, a condition deemed by
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<bibRefCitation id="502021F0D578FFC9980861E3FE8234AD" author="Creighton" pageId="7" pageNumber="59" refString="Creighton, G. K. (1984) Systematic Studies on Opossums (Didelphidae) and Rodents (Cricetidae). Unpublished Ph. D. dissertation. University of Michigan, Ann Arbor, Michigan, xi + 220 pp." type="book" year="1984">Creighton (1984)</bibRefCitation>
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to be indicative of less arboreal habits.
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</paragraph>
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<caption id="60CE0C89D57AFFCB9DDD646EFD5431E2" httpUri="https://zenodo.org/record/181812/files/figure.png" pageId="5" pageNumber="54" targetBox="[167,1420,243,1783]" targetPageId="5">
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<paragraph id="340E5C01D57AFFCB9DDD646EFD5431E2" blockId="5.[151,1436,1837,1965]" pageId="5" pageNumber="54">
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<emphasis id="06C58013D57AFFCB9DDD646EFE8F310A" bold="true" box="[151,284,1837,1861]" pageId="5" pageNumber="54">FIGURE 1.</emphasis>
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Map of southeastern Peru, showing the type locality of
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<taxonomicName id="F3B12782D57AFFCB9EDB646DFAB6310A" box="[913,1317,1838,1861]" class="Mammalia" family="Didelphidae" genus="Marmosa" kingdom="Animalia" order="Didelphimorphia" pageId="5" pageNumber="54" phylum="Chordata" rank="species" species="andersoni" subGenus="Stegomarmosa">
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<emphasis id="06C58013D57AFFCB9EDB646DFAB6310A" box="[913,1317,1838,1861]" italics="true" pageId="5" pageNumber="54">Marmosa (Stegomarmosa) andersoni</emphasis>
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</taxonomicName>
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(Hacienda Villa Carmen = black triangle), and the two new localities in the Lower Urubamba Region (black dots: 1 = San Martín 3, and 2 = Cashiriari 3 well-sites). Two major rivers near the collecting localities are named. Inset: Outline map of Peru, indicating the boundaries of the area shown in color.
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</paragraph>
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</caption>
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<caption id="60CE0C89D579FFC89DDD6437FD2A31BB" httpUri="https://zenodo.org/record/181813/files/figure.png" pageId="6" pageNumber="55" targetBox="[183,1407,186,1882]" targetPageId="6">
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<paragraph id="340E5C01D579FFC89DDD6437FD2A31BB" blockId="6.[151,1436,1908,2036]" pageId="6" pageNumber="55">
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<emphasis id="06C58013D579FFC89DDD6437FE8931C3" bold="true" box="[151,282,1908,1932]" pageId="6" pageNumber="55">FIGURE 2.</emphasis>
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Dorsal (above, left) and ventral (above, right) view of the skull and lower jaw (below) of MUSM 14154, a female specimen of
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<taxonomicName id="F3B12782D579FFC89C3B64DBFD9331E0" box="[369,512,1944,1967]" class="Mammalia" family="Didelphidae" genus="Marmosa" kingdom="Animalia" order="Didelphimorphia" pageId="6" pageNumber="55" phylum="Chordata" rank="species" species="andersoni">
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<emphasis id="06C58013D579FFC89C3B64DBFD9331E0" box="[369,512,1944,1967]" italics="true" pageId="6" pageNumber="55">M. andersoni</emphasis>
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</taxonomicName>
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reported in the text. Some of the distinctive traits of the species are shown, including the development of the postorbital processes and the first lower premolar’s filling in the space between the lower canine and the second lower premolar. Scale bars = 5 mm.
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</paragraph>
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</caption>
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<paragraph id="340E5C01D578FFC99D8C61B3FDD1304D" blockId="7.[151,1437,152,1578]" pageId="7" pageNumber="56">
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<collectingCountry id="4CA61C91D578FFC99D8C61B3FF743545" box="[198,231,752,778]" name="American Samoa" pageId="7" pageNumber="56">As</collectingCountry>
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noted by
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<bibRefCitation id="502021F0D578FFC99C2E61B3FDE23545" author="Voss" box="[356,625,752,778]" pageId="7" pageNumber="61" refString="Voss, R. S. & Jansa, S. A. (2003) Phylogenetic studies on didelphid marsupials II. Nonmolecular data and new IRBP sequences: separate and combined analyses of didelphine relationships with denser taxon sampling. Bulletin of the American Museum of Natural History, 276, 1 - 82." type="journal article" year="2003">Voss and Jansa (2003)</bibRefCitation>
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for
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<taxonomicName id="F3B12782D578FFC99FE261B3FC8E3546" box="[680,797,752,777]" class="Mammalia" family="Didelphidae" genus="Marmosa" kingdom="Animalia" order="Didelphimorphia" pageId="7" pageNumber="56" phylum="Chordata" rank="species" species="andersoni">
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<emphasis id="06C58013D578FFC99FE261B3FC8E3546" box="[680,797,752,777]" italics="true" pageId="7" pageNumber="56">andersoni</emphasis>
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</taxonomicName>
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and other
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<taxonomicName id="F3B12782D578FFC99EE861B3FB803546" box="[930,1043,752,777]" class="Mammalia" family="Didelphidae" genus="Marmosa" kingdom="Animalia" order="Didelphimorphia" pageId="7" pageNumber="56" phylum="Chordata" rank="genus">
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<emphasis id="06C58013D578FFC99EE861B3FB803546" box="[930,1043,752,777]" italics="true" pageId="7" pageNumber="56">Marmosa</emphasis>
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</taxonomicName>
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species, the premaxillary rostral process is prominent. The rostrum is narrow and the braincase inflated. Rear margin of flaring postorbital process continuous with the low lambdoidal crest. Palatal fenestration in
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<typeStatus id="EB0AE2A3D578FFC99E8C6003FBBF3515" box="[966,1068,832,858]" pageId="7" pageNumber="56" type="holotype">holotype</typeStatus>
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appears to consist of elongated maxillopalatine fenestrae extending from level of anterior border of P3 to level of middle of M3; palatine fenestrae lie at level of M4. The normal condition of the palate may be completely without fenestration, however. MUSM 14154 has the left side of the palate completely imperforate, although there is a very thin area of bone extending from the hind margin of P2 to the level of the M3. Some portions of this thin region are thinner than others and in zones corresponding to reported fenestration in the
|
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<typeStatus id="EB0AE2A3D578FFC99EBD674BFBF2326D" box="[1015,1121,1032,1058]" pageId="7" pageNumber="56" type="holotype">holotype</typeStatus>
|
||
. Openings in the right side of the palate appear to be artifacts of specimen preparation. An originally imperforate palate appears to also be the case in MUSM 14151 and MUSM 14155. The postorbital process of jugal is very well developed, apparently indicating a very large eye. No anteromedial bony strut of the tympanic wing of the alisphenoid present, a secondary foramen ovale is absent. Incisors 2–5 increase in size toward rear; deciduous premolars fairly large and molariform. Exposed portion of upper canine about three times as long as exposed P1 and laterally compressed.
|
||
<bibRefCitation id="502021F0D578FFC99C7A67BBFDA5335D" author="Voss" box="[304,566,1272,1298]" pageId="7" pageNumber="61" refString="Voss, R. S. & Jansa, S. A. (2003) Phylogenetic studies on didelphid marsupials II. Nonmolecular data and new IRBP sequences: separate and combined analyses of didelphine relationships with denser taxon sampling. Bulletin of the American Museum of Natural History, 276, 1 - 82." type="journal article" year="2003">Voss and Jansa (2003)</bibRefCitation>
|
||
wrote (pp. 64–65): “
|
||
<taxonomicName id="F3B12782D578FFC99E6567BBFBB9335E" box="[815,1066,1272,1297]" class="Mammalia" family="Didelphidae" genus="Tlacuatzin" kingdom="Animalia" order="Didelphimorphia" pageId="7" pageNumber="56" phylum="Chordata" rank="species" species="canescens">
|
||
<emphasis id="06C58013D578FFC99E6567BBFBB9335E" box="[815,1066,1272,1297]" italics="true" pageId="7" pageNumber="56">Tlacuatzin canescens</emphasis>
|
||
</taxonomicName>
|
||
resembles
|
||
<taxonomicName id="F3B12782D578FFC999E467BBFA0F335E" box="[1198,1436,1272,1297]" class="Mammalia" family="Didelphidae" genus="Marmosa" kingdom="Animalia" order="Didelphimorphia" pageId="7" pageNumber="56" phylum="Chordata" rank="species" species="andersoni">
|
||
<emphasis id="06C58013D578FFC999E467BBFA0F335E" box="[1198,1436,1272,1297]" italics="true" pageId="7" pageNumber="56">Marmosa andersoni</emphasis>
|
||
</taxonomicName>
|
||
(the
|
||
<typeStatus id="EB0AE2A3D578FFC99D846663FE923375" box="[206,257,1312,1338]" pageId="7" pageNumber="56">type</typeStatus>
|
||
species of
|
||
<taxonomicName id="F3B12782D578FFC99CC36663FD2A3375" authority="Pine 1972" authorityName="Pine" authorityYear="1972" box="[393,697,1312,1338]" class="Mammalia" family="Didelphidae" genus="Stegomarmosa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Didelphimorphia" pageId="7" pageNumber="56" phylum="Chordata" rank="genus">
|
||
<emphasis id="06C58013D578FFC99CC36663FDA53376" box="[393,566,1312,1337]" italics="true" pageId="7" pageNumber="56">Stegomarmosa</emphasis>
|
||
<bibRefCitation id="502021F0D578FFC99F0A6663FD2A3375" author="Pine" box="[576,697,1312,1338]" pageId="7" pageNumber="60" refString="Pine, R. H. (1972) A new subgenus and species of murine opossum (genus Marmosa) from Peru. Journal of Mammalogy, 53, 279 - 282." type="journal article" year="1972">Pine 1972</bibRefCitation>
|
||
</taxonomicName>
|
||
) in having large postorbital processes (
|
||
<bibRefCitation id="502021F0D578FFC999DA6663FAC93375" author="Pine" box="[1168,1370,1312,1338]" pageId="7" pageNumber="60" refString="Pine, R. H. (1972) A new subgenus and species of murine opossum (genus Marmosa) from Peru. Journal of Mammalogy, 53, 279 - 282." type="journal article" year="1972">Pine 1972: fig. 1</bibRefCitation>
|
||
), but these taxa are otherwise dissimilar. Based on our examination of the Peruvian
|
||
<typeStatus id="EB0AE2A3D578FFC99966660BFBCD332D" box="[1068,1118,1352,1378]" pageId="7" pageNumber="56">type</typeStatus>
|
||
specimen (FMNH 84252),
|
||
<taxonomicName id="F3B12782D578FFC99DDD6633FEA033C6" box="[151,307,1392,1418]" class="Mammalia" family="Didelphidae" genus="Marmosa" kingdom="Animalia" order="Didelphimorphia" pageId="7" pageNumber="56" phylum="Chordata" rank="species" species="andersoni">
|
||
<emphasis id="06C58013D578FFC99DDD6633FF3C33C6" box="[151,175,1392,1417]" italics="true" pageId="7" pageNumber="56">M</emphasis>
|
||
.
|
||
<emphasis id="06C58013D578FFC99DF46633FEA033C6" box="[190,307,1392,1417]" italics="true" pageId="7" pageNumber="56">andersoni</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="F3B12782D578FFC99C9A6633FDF733C6" box="[464,612,1392,1417]" class="Mammalia" family="Didelphidae" genus="Tlacuatzin" kingdom="Animalia" order="Didelphimorphia" pageId="7" pageNumber="56" phylum="Chordata" rank="species" species="canescens">
|
||
<emphasis id="06C58013D578FFC99C9A6633FDF733C6" box="[464,612,1392,1417]" italics="true" pageId="7" pageNumber="56">T. canescens</emphasis>
|
||
</taxonomicName>
|
||
by having tail scales in spiral series; a long rostral process of the premaxillae; large palatine fenestrae; no maxillary fenestrae; upper incisor crowns that increase in breadth from
|
||
<date id="400F7AC1D578FFC99DDD6683FF633395" box="[151,240,1472,1498]" pageId="7" pageNumber="56">I2 to I5</date>
|
||
; and a procumbent, apically flattened c1…we concur with the current treatment of
|
||
<taxonomicName id="F3B12782D578FFC999F16683FAFB3396" box="[1211,1384,1472,1497]" class="Mammalia" family="Didelphidae" genus="Stegomarmosa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Didelphimorphia" pageId="7" pageNumber="56" phylum="Chordata" rank="genus">
|
||
<emphasis id="06C58013D578FFC999F16683FAFB3396" box="[1211,1384,1472,1497]" italics="true" pageId="7" pageNumber="56">Stegomarmosa</emphasis>
|
||
</taxonomicName>
|
||
as a synonym or subgenus of
|
||
<taxonomicName id="F3B12782D578FFC99CF766ABFDBE304E" box="[445,557,1512,1537]" class="Mammalia" family="Didelphidae" genus="Marmosa" kingdom="Animalia" order="Didelphimorphia" pageId="7" pageNumber="56" phylum="Chordata" rank="genus">
|
||
<emphasis id="06C58013D578FFC99CF766ABFDBE304E" box="[445,557,1512,1537]" italics="true" pageId="7" pageNumber="56">Marmosa</emphasis>
|
||
</taxonomicName>
|
||
.”
|
||
</paragraph>
|
||
<paragraph id="340E5C01D578FFC99D8C6553FC9E3065" blockId="7.[151,1437,152,1578]" box="[198,781,1552,1578]" pageId="7" pageNumber="56">Other characters as given for the subgenus/genus.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |