504 lines
57 KiB
XML
504 lines
57 KiB
XML
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<mods:title id="03C0F636BF12D29094441A83B8594CC5">A new species of Mountain Viscacha (Chinchillidae: Lagidium Meyen) from the Ecuadorean Andes</mods:title>
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<mods:namePart id="15FDA00263D6A3FD2BC30EBFDC6CDC65">Ledesma, Karim J.</mods:namePart>
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<mods:namePart id="B7BD83D2E267D00B4CA436FD31EDBA45">Werner, Florian A.</mods:namePart>
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<mods:namePart id="CCF1BE7E173A5BD81315CC4FFD5309C4">Spotorno, Angel E.</mods:namePart>
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<mods:namePart id="882292638D3E6DEE3EAE7D0E130D3336">Albuja, Luis H.</mods:namePart>
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<mods:date id="475FDDEAE99B2B3F308CEB6BFC07487B">2009</mods:date>
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<treatment id="03B487BCD2166606FF22FF72C195F842" ID-DOI="http://doi.org/10.5281/zenodo.5679995" ID-GBIF-Taxon="124907603" ID-Zenodo-Dep="5679995" LSID="urn:lsid:plazi:treatment:03B487BCD2166606FF22FF72C195F842" httpUri="http://treatment.plazi.org/id/03B487BCD2166606FF22FF72C195F842" lastPageId="10" lastPageNumber="51" pageId="6" pageNumber="47">
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<taxonomicName id="4C1D4D29D216660AFF22FF72C3DBFF79" box="[151,418,151,177]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="species" species="ahuacaense" status="sp. nov.">
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<emphasis id="B969EAB8D216660AFF22FF72C3DBFF79" bold="true" box="[151,418,151,177]" italics="true" pageId="6" pageNumber="47">Lagidium ahuacaense</emphasis>
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,
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<taxonomicNameLabel id="A25A57C3D216660AFE04FF72C076FF79" box="[433,527,151,177]" pageId="6" pageNumber="47" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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<subSubSection id="C3076521D216660AFF73FF05C3BCFAD8" pageId="6" pageNumber="47" type="materials_examined">
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<paragraph id="8BA236AAD216660AFF73FF05C6DBFEEA" blockId="6.[151,1436,224,290]" pageId="6" pageNumber="47">
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<emphasis id="B969EAB8D216660AFF73FF05C339FF32" bold="true" box="[198,320,224,250]" pageId="6" pageNumber="47">
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<typeStatus id="54A68808D216660AFF73FF05C342FF32" box="[198,315,224,250]" pageId="6" pageNumber="47" type="holotype">Holotype</typeStatus>
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.
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</emphasis>
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Adult male, skin and skull with mandibles,
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<collectionCode id="ED0CAE6FD216660AFCE1FF04C1D3FF33" box="[852,938,225,251]" pageId="6" pageNumber="47">MEPN</collectionCode>
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10237, collected by Danny Hidalgo on
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<date id="FFA3106AD216660AFACAFF04C350FEEA" pageId="6" pageNumber="47" value="2006-03-22">22 March 2006</date>
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. The skin is well preserved, except for one small hairless patch on the neck.
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</paragraph>
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<emphasis id="B969EAB8D216660AFF22FEB1C371FEA4" bold="true" box="[151,264,340,364]" pageId="6" pageNumber="47">TABLE 2.</emphasis>
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Character loadings (scaled to their standard deviation), eigenvalues, and percentage variance explained on the first 4 components of a principal component analysis of log-transformed measurements of
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<taxonomicName id="4C1D4D29D216660AFBDBFE9DC6ACFE47" box="[1134,1237,376,399]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="genus">
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<emphasis id="B969EAB8D216660AFBDBFE9DC6ACFE47" box="[1134,1237,376,399]" italics="true" pageId="6" pageNumber="47">Lagidium</emphasis>
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spp. Variables are defined in the methods section.
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</paragraph>
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</caption>
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<paragraph id="8BA236AAD216660AFF2AFE28C1BAFE2C" blockId="6.[151,1436,340,484]" box="[159,963,461,484]" pageId="6" pageNumber="47">Variable Principal component</paragraph>
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<tr id="352D34E8D21699F3FF22FD1DC7E5FCF1" box="[151,1436,760,825]" gridrow="4" pageId="6" pageNumber="47">
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<th id="76FC5D94D21699F3FF22FD1DC2AFFCF1" box="[151,214,760,825]" gridcol="0" gridrow="4" pageId="6" pageNumber="47">LPB SH</th>
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<td id="76FC5D94D21699F3FE27FD1DC3AEFCF1" box="[402,471,760,825]" gridcol="1" gridrow="4" pageId="6" pageNumber="47">-0.597 -0.799</td>
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<td id="76FC5D94D21699F3FE27FCA8C3AEFCAC" box="[402,471,845,868]" gridcol="1" gridrow="5" pageId="6" pageNumber="47">-0.823</td>
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<th id="76FC5D94D21699F3FF22FC9DC2AFFC71" box="[151,214,888,953]" gridcol="0" gridrow="6" pageId="6" pageNumber="47">LD MR</th>
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<th id="76FC5D94D21699F3FF22FC28C2AFFC2C" box="[151,214,973,996]" gridcol="0" gridrow="7" pageId="6" pageNumber="47">BM1</th>
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<td id="76FC5D94D21699F3FE27FC28C3AEFC2C" box="[402,471,973,996]" gridcol="1" gridrow="7" pageId="6" pageNumber="47">-0.668</td>
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<td id="76FC5D94D21699F3FD33FC28C0B2FC2C" box="[646,715,973,996]" gridcol="2" gridrow="7" pageId="6" pageNumber="47">0.415</td>
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<th id="76FC5D94D21699F3FF22FC1DC2AFFBF1" box="[151,214,1016,1081]" gridcol="0" gridrow="8" pageId="6" pageNumber="47">LOF PL</th>
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<td id="76FC5D94D21699F3FE27FC1DC3AEFBF1" box="[402,471,1016,1081]" gridcol="1" gridrow="8" pageId="6" pageNumber="47">-0.657 -0.950</td>
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<td id="76FC5D94D21699F3FD33FC1DC0B2FBF1" box="[646,715,1016,1081]" gridcol="2" gridrow="8" pageId="6" pageNumber="47">0.316 0.091</td>
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<td id="76FC5D94D21699F3FCCFFC1DC1C6FBF1" box="[890,959,1016,1081]" gridcol="3" gridrow="8" pageId="6" pageNumber="47">0.553 0.110</td>
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<td id="76FC5D94D21699F3FBD8FC1DC7E5FBF1" box="[1133,1436,1016,1081]" gridcol="4" gridrow="8" pageId="6" pageNumber="47">0.138 0.053</td>
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</paragraph>
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<paragraph id="8BA236AAD216660AFF2AFBA8C6E5FB47" blockId="6.[159,1180,1101,1167]" pageId="6" pageNumber="47">Eigenvalue 8.11 1.32 0.89 0.69 Variance [%] 62.35 10.15 6.88 5.34</paragraph>
|
||
<paragraph id="8BA236AAD216660AFF70FB2AC3BCFAD8" blockId="6.[151,1437,1231,2031]" pageId="6" pageNumber="47">
|
||
<emphasis id="B969EAB8D216660AFF70FB2AC305FB21" bold="true" box="[197,380,1231,1257]" pageId="6" pageNumber="47">
|
||
<typeStatus id="54A68808D216660AFF70FB2AC37EFB21" box="[197,263,1231,1257]" pageId="6" pageNumber="47">Type</typeStatus>
|
||
locality.
|
||
</emphasis>
|
||
Cerro El Ahuaca, Parroquia Cariamanga, Canton Calvas, Loja Province,
|
||
<collectingCountry id="F30A763AD216660AFA86FB35C7E4FB22" box="[1331,1437,1232,1258]" name="Ecuador" pageId="6" pageNumber="47">Ecuador</collectingCountry>
|
||
(04º18΄2ʺS, 79º32΄47ʺW).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3076521D216660AFF73FAF8C0BDFA1A" pageId="6" pageNumber="47" type="distribution">
|
||
<paragraph id="8BA236AAD216660AFF73FAF8C0BDFA1A" blockId="6.[151,1437,1231,2031]" pageId="6" pageNumber="47">
|
||
<emphasis id="B969EAB8D216660AFF73FAF8C31EFAFF" bold="true" box="[198,359,1309,1335]" pageId="6" pageNumber="47">Distribution.</emphasis>
|
||
<taxonomicName id="4C1D4D29D216660AFEC4FAF8C00FFAFE" box="[369,630,1309,1334]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="species" species="ahuacaense">
|
||
<emphasis id="B969EAB8D216660AFEC4FAF8C00FFAFE" box="[369,630,1309,1334]" italics="true" pageId="6" pageNumber="47">Lagidium ahuacaense</emphasis>
|
||
</taxonomicName>
|
||
is known only from the
|
||
<typeStatus id="54A68808D216660AFC18FAF8C1A6FAFF" box="[941,991,1309,1335]" pageId="6" pageNumber="47">type</typeStatus>
|
||
locality. Cerro El Ahuaca is a steep granite peak of inselberg nature situated
|
||
<quantity id="4CE59B4FD216660AFDC8FAA1C0C3FA96" box="[637,698,1348,1374]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="47" unit="km" value="1.0">1 km</quantity>
|
||
from the town of Cariamanga. The species inhabits the entire altitudinal range of the peak (
|
||
<quantity id="4CE59B4FD216660AFE4DFA8FC0D6FA4C" box="[504,687,1386,1412]" metricMagnitude="3" metricUnit="m" metricValue="2.215" metricValueMax="2.48" metricValueMin="1.95" pageId="6" pageNumber="47" unit="m" value="2215.0" valueMax="2480.0" valueMin="1950.0">1,950–2,480 m</quantity>
|
||
) as evident from faecal pellets and feeding marks, but appears restricted to the immediate vicinity of extensive rocky surfaces (
|
||
<bibRefCitation id="EF8C4B5BD216660AFC3BFA74C60BFA63" author="Werner" box="[910,1138,1425,1451]" pageId="6" pageNumber="55" refString="Werner, F. A., Ledesma, K. J. & Hidalgo, R. (2006) Mountain vizcacha (Lagidium cf. peruanum) in Ecuador - first record of Chinchillidae for the northern Andes. Mastozoologia Neotropical, 13, 271 - 274." type="journal article" year="2006">
|
||
Werner
|
||
<emphasis id="B969EAB8D216660AFC5BFA74C65BFA62" box="[1006,1058,1425,1450]" italics="true" pageId="6" pageNumber="47">et al</emphasis>
|
||
. 2006
|
||
</bibRefCitation>
|
||
). A more detailed habitat description is provided by
|
||
<bibRefCitation id="EF8C4B5BD216660AFE7AFA5DC0B9FA1A" box="[463,704,1464,1490]" pageId="6" pageNumber="55" refString="Werner, F. A., Ledesma, K. J. & Hidalgo, R. (2006) Mountain vizcacha (Lagidium cf. peruanum) in Ecuador - first record of Chinchillidae for the northern Andes. Mastozoologia Neotropical, 13, 271 - 274." type="journal article">
|
||
Werner
|
||
<emphasis id="B969EAB8D216660AFD99FA5DC019FA19" box="[556,608,1464,1489]" italics="true" pageId="6" pageNumber="47">et al</emphasis>
|
||
. (2006)
|
||
</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3076521D216660AFF70FA3BC1F8F9D7" pageId="6" pageNumber="47" type="etymology">
|
||
<paragraph id="8BA236AAD216660AFF70FA3BC1F8F9D7" blockId="6.[151,1437,1231,2031]" pageId="6" pageNumber="47">
|
||
<emphasis id="B969EAB8D216660AFF70FA3BC321FA30" bold="true" box="[197,344,1502,1528]" pageId="6" pageNumber="47">Etymology.</emphasis>
|
||
The specific epithet refers to Cerro El Ahuaca. Common names: Ecuadorean mountain viscacha (English); viscacha de montaña ecuatoriana (Spanish).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3076521D2166604FF70F9CEC097FDFC" lastPageId="8" lastPageNumber="49" pageId="6" pageNumber="47" type="diagnosis">
|
||
<paragraph id="8BA236AAD216660AFF70F9CEC113F928" blockId="6.[151,1437,1231,2031]" pageId="6" pageNumber="47">
|
||
<emphasis id="B969EAB8D216660AFF70F9CEC33EF98D" bold="true" box="[197,327,1579,1605]" pageId="6" pageNumber="47">Diagnosis.</emphasis>
|
||
This is a medium-sized species of
|
||
<taxonomicName id="4C1D4D29D216660AFD45F9C9C11BF98D" box="[752,866,1580,1605]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="genus">
|
||
<emphasis id="B969EAB8D216660AFD45F9C9C11BF98D" box="[752,866,1580,1605]" italics="true" pageId="6" pageNumber="47">Lagidium</emphasis>
|
||
</taxonomicName>
|
||
, with a brown-grey fur coloration of the dorsal area and yellowish-grey coloration ventrally. Ears are blackish with cream-colored fringes. Hands and feet bear black hairs, palms and soles are naked and of blackish color. Dorsally, the tail has long coarse hairs, maroon with some cream in coloration, while the bottom of the tail has short, blackish brown hairs. The tip of the tail is covered with long hairs. Vibrissae are mostly black.
|
||
</paragraph>
|
||
<paragraph id="8BA236AAD216660AFF70F908C09CF827" blockId="6.[151,1437,1231,2031]" pageId="6" pageNumber="47">
|
||
<emphasis id="B969EAB8D216660AFF70F908C301F8CF" bold="true" box="[197,376,1773,1799]" pageId="6" pageNumber="47">Comparisons.</emphasis>
|
||
In
|
||
<taxonomicName id="4C1D4D29D216660AFE16F908C046F8CE" box="[419,575,1773,1798]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D216660AFE16F908C046F8CE" box="[419,575,1773,1798]" italics="true" pageId="6" pageNumber="47">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
, fur coloration can vary from creamy buff to dark grey (
|
||
<bibRefCitation id="EF8C4B5BD216660AFB4DF908C7E1F8CF" author="Meyen" box="[1272,1432,1773,1799]" pageId="6" pageNumber="55" refString="Meyen, F. J. F. (1833) Das Vizcacha der Peruaner. Nova Acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum, 16, 576 - 580." type="journal article" year="1833">Meyen 1833</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EF8C4B5BD216660AFF22F8F1C344F8E6" author="Pearson" box="[151,317,1812,1838]" pageId="6" pageNumber="55" refString="Pearson, O. P. (1948) Life history of mountain vizcacha in Peru. Journal of Mammalogy, 29, 345 - 374." type="journal article" year="1948">Pearson 1948</bibRefCitation>
|
||
). The
|
||
<typeStatus id="54A68808D216660AFE3DF8F1C389F8E6" box="[392,496,1812,1838]" pageId="6" pageNumber="47" type="holotype">holotype</typeStatus>
|
||
of
|
||
<taxonomicName id="4C1D4D29D216660AFDACF8F1C0BCF8E5" box="[537,709,1812,1837]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="species" species="ahuacaense">
|
||
<emphasis id="B969EAB8D216660AFDACF8F1C0BCF8E5" box="[537,709,1812,1837]" italics="true" pageId="6" pageNumber="47">L. ahuacaense</emphasis>
|
||
</taxonomicName>
|
||
is darker in color (dorsally and ventrally) than the dark grey individuals of
|
||
<taxonomicName id="4C1D4D29D216660AFEFCF8DEC39FF89C" box="[329,486,1851,1876]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D216660AFEFCF8DEC39FF89C" box="[329,486,1851,1876]" italics="true" pageId="6" pageNumber="47">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
examined for this study (n = 20), which were suffused with more light hairs. Moreover, no
|
||
<taxonomicName id="4C1D4D29D216660AFE8BF884C3ACF8B2" box="[318,469,1889,1914]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D216660AFE8BF884C3ACF8B2" box="[318,469,1889,1914]" italics="true" pageId="6" pageNumber="47">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
showed such dark (almost black) coloration on the dorsum of the feet as the new species.
|
||
<collectingCountry id="F30A763AD216660AFF4EF86DC365F86A" box="[251,284,1928,1954]" name="American Samoa" pageId="6" pageNumber="47">As</collectingCountry>
|
||
in
|
||
<taxonomicName id="4C1D4D29D216660AFEF6F86DC3A3F869" box="[323,474,1928,1953]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D216660AFEF6F86DC3A3F869" box="[323,474,1928,1953]" italics="true" pageId="6" pageNumber="47">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
, fur color in
|
||
<taxonomicName id="4C1D4D29D216660AFDC2F86DC08EF869" box="[631,759,1928,1953]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="species" species="viscacia">
|
||
<emphasis id="B969EAB8D216660AFDC2F86DC08EF869" box="[631,759,1928,1953]" italics="true" pageId="6" pageNumber="47">L. viscacia</emphasis>
|
||
</taxonomicName>
|
||
is highly variable. Dark grey individuals from Patagonia present a more conspicuous dark dorsal line than
|
||
<taxonomicName id="4C1D4D29D216660AFD53F84AC1E8F800" box="[742,913,1967,1992]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="species" species="ahuacaense">
|
||
<emphasis id="B969EAB8D216660AFD53F84AC1E8F800" box="[742,913,1967,1992]" italics="true" pageId="6" pageNumber="47">L. ahuacaense</emphasis>
|
||
</taxonomicName>
|
||
. Populations of
|
||
<taxonomicName id="4C1D4D29D216660AFBE3F84AC688F800" box="[1110,1265,1967,1992]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="6" pageNumber="47" phylum="Chordata" rank="species" species="wolffsohni">
|
||
<emphasis id="B969EAB8D216660AFBE3F84AC688F800" box="[1110,1265,1967,1992]" italics="true" pageId="6" pageNumber="47">L. wolffsohni</emphasis>
|
||
</taxonomicName>
|
||
are known by their ochre coloration (
|
||
<bibRefCitation id="EF8C4B5BD216660AFE17F830C0A0F827" author="Canevari" box="[418,729,2005,2031]" pageId="6" pageNumber="54" refString="Canevari, M. & Vaccaro, O. (2007) Guia de mamiferos del sur de America del Sur. Editorial L. O. L. A. (Literature of Latin America), Buenos Aires, 413 pp." type="book" year="2007">Canevari & Vaccaro 2007</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<caption id="DF626622D217660BFF22FC2AC7F8FBC1" httpUri="https://zenodo.org/record/188252/files/figure.png" pageId="7" pageNumber="48" targetBox="[409,1186,197,954]" targetPageId="7">
|
||
<paragraph id="8BA236AAD217660BFF22FC2AC7F8FBC1" blockId="7.[151,1436,975,1033]" pageId="7" pageNumber="48">
|
||
<emphasis id="B969EAB8D217660BFF22FC2AC362FC2F" bold="true" box="[151,283,975,999]" pageId="7" pageNumber="48">FIGURE 1.</emphasis>
|
||
Skull length (GLS) and geographical distribution (latitude) of
|
||
<taxonomicName id="4C1D4D29D217660BFC79FC35C64DFC2F" box="[972,1076,976,999]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="48" phylum="Chordata" rank="genus">
|
||
<emphasis id="B969EAB8D217660BFC79FC35C64DFC2F" box="[972,1076,976,999]" italics="true" pageId="7" pageNumber="48">Lagidium</emphasis>
|
||
</taxonomicName>
|
||
specimens studied.
|
||
<taxonomicName id="4C1D4D29D217660BFAA4FC35C7E5FC2F" box="[1297,1436,976,999]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="48" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D217660BFAA4FC35C7E5FC2F" box="[1297,1436,976,999]" italics="true" pageId="7" pageNumber="48">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
(open circles),
|
||
<taxonomicName id="4C1D4D29D217660BFE83FC17C3D3FBC1" box="[310,426,1010,1033]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="48" phylum="Chordata" rank="species" species="viscacia">
|
||
<emphasis id="B969EAB8D217660BFE83FC17C3D3FBC1" box="[310,426,1010,1033]" italics="true" pageId="7" pageNumber="48">L. viscacia</emphasis>
|
||
</taxonomicName>
|
||
(open triangles),
|
||
<taxonomicName id="4C1D4D29D217660BFDD0FC17C089FBC1" box="[613,752,1010,1033]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="48" phylum="Chordata" rank="species" species="wolffsohni">
|
||
<emphasis id="B969EAB8D217660BFDD0FC17C089FBC1" box="[613,752,1010,1033]" italics="true" pageId="7" pageNumber="48">L. wolffsohni</emphasis>
|
||
</taxonomicName>
|
||
(filled diamonds), and
|
||
<taxonomicName id="4C1D4D29D217660BFC5FFC17C6FDFBC1" box="[1002,1156,1010,1033]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="48" phylum="Chordata" rank="species" species="ahuacaense" status="sp. nov.">
|
||
<emphasis id="B969EAB8D217660BFC5FFC17C6FDFBC1" box="[1002,1156,1010,1033]" italics="true" pageId="7" pageNumber="48">L. ahuacaense</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25A57C3D217660BFB3EFC17C6A7FBC1" box="[1163,1246,1010,1033]" pageId="7" pageNumber="48" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(filled square).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF626622D217660BFF22F8A6C28EF80B" httpUri="https://zenodo.org/record/188253/files/figure.png" pageId="7" pageNumber="48" targetBox="[433,1165,1087,1822]" targetPageId="7">
|
||
<paragraph id="8BA236AAD217660BFF22F8A6C28EF80B" blockId="7.[151,1437,1859,1987]" pageId="7" pageNumber="48">
|
||
<emphasis id="B969EAB8D217660BFF22F8A6C362F893" bold="true" box="[151,283,1859,1883]" pageId="7" pageNumber="48">FIGURE 2.</emphasis>
|
||
Multivariate relationships among
|
||
<taxonomicName id="4C1D4D29D217660BFD27F8A1C080F893" box="[658,761,1860,1883]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="48" phylum="Chordata" rank="genus">
|
||
<emphasis id="B969EAB8D217660BFD27F8A1C080F893" box="[658,761,1860,1883]" italics="true" pageId="7" pageNumber="48">Lagidium</emphasis>
|
||
</taxonomicName>
|
||
spp. Projections of individual specimen scores from principal component analysis on the 1st and 2nd factors of 13 log-transformed cranial measurements. Taxa indicated are:
|
||
<taxonomicName id="4C1D4D29D217660BFA33F882C37AF868" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="48" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D217660BFA33F882C37AF868" italics="true" pageId="7" pageNumber="48">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
(open circles),
|
||
<taxonomicName id="4C1D4D29D217660BFE1FF86CC064F868" box="[426,541,1929,1952]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="48" phylum="Chordata" rank="species" species="viscacia">
|
||
<emphasis id="B969EAB8D217660BFE1FF86CC064F868" box="[426,541,1929,1952]" italics="true" pageId="7" pageNumber="48">L. viscacia</emphasis>
|
||
</taxonomicName>
|
||
(open triangles),
|
||
<taxonomicName id="4C1D4D29D217660BFD6FF86CC11FF868" box="[730,870,1929,1952]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="48" phylum="Chordata" rank="species" species="wolffsohni">
|
||
<emphasis id="B969EAB8D217660BFD6FF86CC11FF868" box="[730,870,1929,1952]" italics="true" pageId="7" pageNumber="48">L. wolffsohni</emphasis>
|
||
</taxonomicName>
|
||
(filled diamonds), and
|
||
<taxonomicName id="4C1D4D29D217660BFBD5F86CC682F868" box="[1120,1275,1929,1952]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="7" pageNumber="48" phylum="Chordata" rank="species" species="ahuacaense" status="sp. nov.">
|
||
<emphasis id="B969EAB8D217660BFBD5F86CC682F868" box="[1120,1275,1929,1952]" italics="true" pageId="7" pageNumber="48">L. ahuacaense</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25A57C3D217660BFAB7F86CC72CF868" box="[1282,1365,1929,1952]" pageId="7" pageNumber="48" rank="species">sp. nov.</taxonomicNameLabel>
|
||
(filled squares).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BA236AAD2186604FF70FF7DC756FE84" blockId="8.[151,1437,152,2034]" pageId="8" pageNumber="49">
|
||
In dorsal view,
|
||
<taxonomicName id="4C1D4D29D2186604FE36FF7DC04AFF79" box="[387,563,152,177]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="ahuacaense">
|
||
<emphasis id="B969EAB8D2186604FE36FF7DC04AFF79" box="[387,563,152,177]" italics="true" pageId="8" pageNumber="49">L. ahuacaense</emphasis>
|
||
</taxonomicName>
|
||
has much more pronounced bending premaxillo-frontal sutures than
|
||
<taxonomicName id="4C1D4D29D2186604FA31FF7DC368FF10" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D2186604FA31FF7DC368FF10" italics="true" pageId="8" pageNumber="49">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
; a wider rostrum and a narrower interorbital constriction than
|
||
<taxonomicName id="4C1D4D29D2186604FBA7FF5AC6EEFF10" box="[1042,1175,191,216]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="viscacia">
|
||
<emphasis id="B969EAB8D2186604FBA7FF5AC6EEFF10" box="[1042,1175,191,216]" italics="true" pageId="8" pageNumber="49">L. viscacia</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C1D4D29D2186604FB66FF5AC70AFF10" box="[1235,1395,191,216]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="wolffsohni">
|
||
<emphasis id="B969EAB8D2186604FB66FF5AC70AFF10" box="[1235,1395,191,216]" italics="true" pageId="8" pageNumber="49">L. wolffsohni</emphasis>
|
||
</taxonomicName>
|
||
. In lateral view, the braincase of
|
||
<taxonomicName id="4C1D4D29D2186604FDB6FF00C0CDFF36" box="[515,692,229,254]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="ahuacaense">
|
||
<emphasis id="B969EAB8D2186604FDB6FF00C0CDFF36" box="[515,692,229,254]" italics="true" pageId="8" pageNumber="49">L. ahuacaense</emphasis>
|
||
</taxonomicName>
|
||
is much less arched (vaulted) than that of
|
||
<taxonomicName id="4C1D4D29D2186604FB71FF00C719FF36" box="[1220,1376,229,254]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D2186604FB71FF00C719FF36" box="[1220,1376,229,254]" italics="true" pageId="8" pageNumber="49">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
, and slightly less arched than that of
|
||
<taxonomicName id="4C1D4D29D2186604FDBAFEE9C0F6FEED" box="[527,655,268,293]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="viscacia">
|
||
<emphasis id="B969EAB8D2186604FDBAFEE9C0F6FEED" box="[527,655,268,293]" italics="true" pageId="8" pageNumber="49">L. viscacia</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C1D4D29D2186604FD7CFEE9C11BFEED" box="[713,866,268,293]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="wolffsohni">
|
||
<emphasis id="B969EAB8D2186604FD7CFEE9C11BFEED" box="[713,866,268,293]" italics="true" pageId="8" pageNumber="49">L. wolffsohni</emphasis>
|
||
</taxonomicName>
|
||
; in addition,
|
||
<taxonomicName id="4C1D4D29D2186604FBB5FEE9C6EEFEED" box="[1024,1175,268,293]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D2186604FBB5FEE9C6EEFEED" box="[1024,1175,268,293]" italics="true" pageId="8" pageNumber="49">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
shows a slender jugal and
|
||
<taxonomicName id="4C1D4D29D2186604FF7DFED7C318FE83" box="[200,353,306,331]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="wolffsohni">
|
||
<emphasis id="B969EAB8D2186604FF7DFED7C318FE83" box="[200,353,306,331]" italics="true" pageId="8" pageNumber="49">L. wolffsohni</emphasis>
|
||
</taxonomicName>
|
||
exhibits somewhat longer paraoccipital processes, more separated from the bullae.
|
||
</paragraph>
|
||
<paragraph id="8BA236AAD2186604FF73FEBCC097FDFC" blockId="8.[151,1437,152,2034]" pageId="8" pageNumber="49">
|
||
In ventral view, the posterior margin of the hard palate of
|
||
<taxonomicName id="4C1D4D29D2186604FC21FEBCC657FEBA" box="[916,1070,345,370]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D2186604FC21FEBCC657FEBA" box="[916,1070,345,370]" italics="true" pageId="8" pageNumber="49">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
is either smoothly squared or concave, with few individuals showing a rather poorly developed postpalatal process. The mesopterygoid fossa in
|
||
<taxonomicName id="4C1D4D29D2186604FF4EFE42C3EAFE08" box="[251,403,423,448]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D2186604FF4EFE42C3EAFE08" box="[251,403,423,448]" italics="true" pageId="8" pageNumber="49">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C1D4D29D2186604FE7AFE42C029FE08" box="[463,592,423,448]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="viscacia">
|
||
<emphasis id="B969EAB8D2186604FE7AFE42C029FE08" box="[463,592,423,448]" italics="true" pageId="8" pageNumber="49">L. viscacia</emphasis>
|
||
</taxonomicName>
|
||
has less diverging sides than in
|
||
<taxonomicName id="4C1D4D29D2186604FC60FE42C6F8FE08" box="[981,1153,423,448]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="ahuacaense">
|
||
<emphasis id="B969EAB8D2186604FC60FE42C6F8FE08" box="[981,1153,423,448]" italics="true" pageId="8" pageNumber="49">L. ahuacaense</emphasis>
|
||
</taxonomicName>
|
||
. This fossa has parallel sides in
|
||
<taxonomicName id="4C1D4D29D2186604FF4DFE28C3EBFE2E" box="[248,402,461,486]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="wolffsohni">
|
||
<emphasis id="B969EAB8D2186604FF4DFE28C3EBFE2E" box="[248,402,461,486]" italics="true" pageId="8" pageNumber="49">L. wolffsohni</emphasis>
|
||
</taxonomicName>
|
||
, resembling a letter ‘U’. The basioccipital is relatively wider in
|
||
<taxonomicName id="4C1D4D29D2186604FB39FE28C75AFE2E" box="[1164,1315,461,486]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="peruanum">
|
||
<emphasis id="B969EAB8D2186604FB39FE28C75AFE2E" box="[1164,1315,461,486]" italics="true" pageId="8" pageNumber="49">L. peruanum</emphasis>
|
||
</taxonomicName>
|
||
than in
|
||
<taxonomicName id="4C1D4D29D2186604FA31FE28C35CFDC5" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="ahuacaense">
|
||
<emphasis id="B969EAB8D2186604FA31FE28C35CFDC5" italics="true" pageId="8" pageNumber="49">L. ahuacaense</emphasis>
|
||
</taxonomicName>
|
||
. In
|
||
<taxonomicName id="4C1D4D29D2186604FEE3FE11C3A3FDC5" box="[342,474,500,525]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="viscacia">
|
||
<emphasis id="B969EAB8D2186604FEE3FE11C3A3FDC5" box="[342,474,500,525]" italics="true" pageId="8" pageNumber="49">L. viscacia</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C1D4D29D2186604FDA2FE11C0CCFDC5" box="[535,693,500,525]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="wolffsohni">
|
||
<emphasis id="B969EAB8D2186604FDA2FE11C0CCFDC5" box="[535,693,500,525]" italics="true" pageId="8" pageNumber="49">L. wolffsohni</emphasis>
|
||
</taxonomicName>
|
||
the basioccipital is less constricted by the bulla at its middle region and noticeably wider than in
|
||
<taxonomicName id="4C1D4D29D2186604FD8BFDFFC09EFDFB" box="[574,743,538,563]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="8" pageNumber="49" phylum="Chordata" rank="species" species="ahuacaense">
|
||
<emphasis id="B969EAB8D2186604FD8BFDFFC09EFDFB" box="[574,743,538,563]" italics="true" pageId="8" pageNumber="49">L. ahuacaense</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C3076521D2186606FF70FDA5C195F842" lastPageId="10" lastPageNumber="51" pageId="8" pageNumber="49" type="description">
|
||
<paragraph id="8BA236AAD2186604FF70FDA5C72BFD93" blockId="8.[151,1437,152,2034]" box="[197,1362,576,603]" pageId="8" pageNumber="49">
|
||
<emphasis id="B969EAB8D2186604FF70FDA5C3FAFD92" bold="true" box="[197,387,576,602]" pageId="8" pageNumber="49">Measurements.</emphasis>
|
||
External and craniodental measurements are listed in Table 1 and discussed below.
|
||
</paragraph>
|
||
<paragraph id="8BA236AAD2186604FF70FD82C105FA4F" blockId="8.[151,1437,152,2034]" pageId="8" pageNumber="49">
|
||
<emphasis id="B969EAB8D2186604FF70FD82C324FD49" bold="true" box="[197,349,615,641]" pageId="8" pageNumber="49">Description.</emphasis>
|
||
Total length is
|
||
<quantity id="4CE59B4FD2186604FDA0FD8DC002FD4A" box="[533,635,616,642]" metricMagnitude="-1" metricUnit="m" metricValue="8.03" pageId="8" pageNumber="49" unit="mm" value="803.0">803 mm</quantity>
|
||
. Body pelage wooly and grayish brown (Smoke Gray 45). Tail long with coarse hairs. Anterior dorsal pelage shorter than posterior pelage. Dorsal fur grayish with buffy and black tints. Medial dorsal area has a black longitudinal stripe. Length of dorsal hairs variable, with mean length ranging from
|
||
<quantity id="4CE59B4FD2186604FE8EFD39C3E9FD3E" box="[315,400,732,758]" metricMagnitude="-2" metricUnit="m" metricValue="2.4" pageId="8" pageNumber="49" unit="mm" value="24.0">24 mm</quantity>
|
||
in the anterior region to
|
||
<quantity id="4CE59B4FD2186604FD09FD39C169FD3E" box="[700,784,732,758]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" pageId="8" pageNumber="49" unit="mm" value="45.0">45 mm</quantity>
|
||
in the posterior region of the body. Dorsal cover hairs with a grey basal band (Medium Neutral Gray 84), a dark grey medium band (Dark Neutral Gray 83), and a cream-colored distal band (Cream 54). Guard hairs longer than cover hairs with two bands, a thin grey basal band (Medium Neutral Gray 84) and a thick black apical band (Jet Black 89). Length of guard hairs variable, averaging from
|
||
<quantity id="4CE59B4FD2186604FEE2FC93C3D2FC58" box="[343,427,886,912]" metricMagnitude="-2" metricUnit="m" metricValue="2.4" pageId="8" pageNumber="49" unit="mm" value="24.0">24 mm</quantity>
|
||
on the anterior region to
|
||
<quantity id="4CE59B4FD2186604FD55FC93C14DFC58" box="[736,820,886,912]" metricMagnitude="-2" metricUnit="m" metricValue="4.5" pageId="8" pageNumber="49" unit="mm" value="45.0">45 mm</quantity>
|
||
on the posterior region. Pelage of head resembling dorsal hair but shorter. Mystacial vibrissae thick and long (
|
||
<quantity id="4CE59B4FD2186604FCE3FC78C190FC7F" box="[854,1001,925,951]" metricMagnitude="-2" metricUnit="m" metricValue="8.25" metricValueMax="14.7" metricValueMin="1.8" pageId="8" pageNumber="49" unit="mm" value="82.5" valueMax="147.0" valueMin="18.0">18–147 mm</quantity>
|
||
) and primarily dark brown with few scattered white hairs. Superciliary vibrissae scarce, up to
|
||
<quantity id="4CE59B4FD2186604FCD5FC21C1CFFC16" box="[864,950,964,990]" metricMagnitude="-2" metricUnit="m" metricValue="7.1" pageId="8" pageNumber="49" unit="mm" value="71.0">71 mm</quantity>
|
||
in length, thick and dark brown. In the
|
||
<typeStatus id="54A68808D2186604FF22FC0FC37BFBCC" box="[151,258,1002,1028]" pageId="8" pageNumber="49" type="holotype">holotype</typeStatus>
|
||
, one thick, dark brown genal vibrissa present (
|
||
<quantity id="4CE59B4FD2186604FC87FC0FC1FEFBCC" box="[818,903,1002,1028]" metricMagnitude="-2" metricUnit="m" metricValue="5.4" pageId="8" pageNumber="49" unit="mm" value="54.0">54 mm</quantity>
|
||
in length). Ear length is
|
||
<quantity id="4CE59B4FD2186604FB06FC0FC773FBCC" box="[1203,1290,1002,1028]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="8" pageNumber="49" unit="mm" value="60.0">60 mm</quantity>
|
||
. Skin inside and outside of ears black, with abundant hairs on the upper basal area. Remainder outside of the ears covered with fine brown hairs bordered by white hairs, inside of ear sparsely covered with fine white hairs. Hairs in mentonian region, flanks of the body, sides of the throat and ventral region creamy white with a grey basal band (Medium Neutral Gray 84) and cream-colored white distal band (Cream 54). Fur of inguinal region ochre, with bands similar to those of ventral region. Length of ventral hairs
|
||
<quantity id="4CE59B4FD2186604FBA3FB49C6ECFB0E" box="[1046,1173,1196,1222]" metricMagnitude="-2" metricUnit="m" metricValue="1.95" metricValueMax="2.4" metricValueMin="1.5" pageId="8" pageNumber="49" unit="mm" value="19.5" valueMax="24.0" valueMin="15.0">15–24 mm</quantity>
|
||
in the anterior region,
|
||
<quantity id="4CE59B4FD2186604FF22FB36C369FB25" box="[151,272,1235,1261]" metricMagnitude="-2" metricUnit="m" metricValue="2.4" metricValueMax="3.1" metricValueMin="1.7" pageId="8" pageNumber="49" unit="mm" value="24.0" valueMax="31.0" valueMin="17.0">17–31mm</quantity>
|
||
in the central region, and
|
||
<quantity id="4CE59B4FD2186604FDE5FB36C0A8FB25" box="[592,721,1235,1261]" metricMagnitude="-2" metricUnit="m" metricValue="2.6" metricValueMax="3.1" metricValueMin="2.1" pageId="8" pageNumber="49" unit="mm" value="26.0" valueMax="31.0" valueMin="21.0">21–31 mm</quantity>
|
||
in the posterior region. Fore feet substantially shorter than hind feet (36 versus
|
||
<quantity id="4CE59B4FD2186604FE33FB1CC3A7FADB" box="[390,478,1273,1299]" metricMagnitude="-2" metricUnit="m" metricValue="8.5" pageId="8" pageNumber="49" unit="mm" value="85.0">85 mm</quantity>
|
||
). The four digits of fore- and hind feet each with a small and slightly curved claw of 4.0–
|
||
<quantity id="4CE59B4FD2186604FF5BFAC5C335FAF2" box="[238,332,1312,1338]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" pageId="8" pageNumber="49" unit="mm" value="6.5">6.5 mm</quantity>
|
||
. Tips of fingers large, spherical and fleshy. Hand and foot have three black pads with small cream-colored spots. First interdigital pad of hand spherical, smaller than the two other pads; medial pad on foot larger than the others; thenar and hypothenar long (
|
||
<figureCitation id="13262A2FD2186604FC93FA88C117FA4F" box="[806,878,1389,1415]" captionStart="FIGURE 4" captionStartId="10.[151,255,1233,1257]" captionTargetBox="[458,1166,180,1164]" captionTargetId="figure@10.[407,1179,126,1217]" captionTargetPageId="10" captionText="FIGURE 4. Plantar view of right hind foot (A) and right fore foot (B) of L. ahuacaense sp. nov. h = hypothenar pad, t = thenar pad; 1 – 3 = first through third interdigital pad. Scale bar = 10 mm." httpUri="https://zenodo.org/record/188255/files/figure.png" pageId="8" pageNumber="49">Fig. 4</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BA236AAD2186604FF70FA71C0E4F975" blockId="8.[151,1437,152,2034]" pageId="8" pageNumber="49">
|
||
Fur on fore feet primarily brown intermixed with few cream-colored hairs (
|
||
<figureCitation id="13262A2FD2186604FBDAFA71C6C5FA66" box="[1135,1212,1428,1454]" captionStart="FIGURE 5" captionStartId="11.[151,255,1271,1295]" captionTargetBox="[503,1117,199,1270]" captionTargetId="figure@11.[478,1121,160,1277]" captionTargetPageId="11" captionText="FIGURE 5. Skin of the holotype of Lagidium ahuacaense sp. nov. (MEPN 10237). Scale bar = 100 mm." httpUri="https://zenodo.org/record/188256/files/figure.png" pageId="8" pageNumber="49">Fig. 5</figureCitation>
|
||
). Fur on hind feet composed of cream-colored hairs intermixed with brown hairs from base to middle of foot, and dark brown hairs from middle to tip of the foot. Tail
|
||
<quantity id="4CE59B4FD2186604FDC2FA04C0A1FA33" box="[631,728,1505,1531]" metricMagnitude="-1" metricUnit="m" metricValue="4.0" pageId="8" pageNumber="49" unit="mm" value="400.0">400 mm</quantity>
|
||
in length, with long (
|
||
<quantity id="4CE59B4FD2186604FC6DFA04C610FA33" box="[984,1129,1505,1531]" metricMagnitude="-2" metricUnit="m" metricValue="8.2" metricValueMax="14.3" metricValueMin="2.1" pageId="8" pageNumber="49" unit="mm" value="82.0" valueMax="143.0" valueMin="21.0">21–143 mm</quantity>
|
||
) coarse hairs dorsally and short (
|
||
<quantity id="4CE59B4FD2186604FF54F9EDC303F9EA" box="[225,378,1544,1570]" metricMagnitude="-2" metricUnit="m" metricValue="2.075" metricValueMax="2.9" metricValueMin="1.25" pageId="8" pageNumber="49" unit="mm" value="20.75" valueMax="29.0" valueMin="12.5">12.5–29 mm</quantity>
|
||
) coarse hairs ventrally. Hairs of tail tip longer than those on the rest of tail, reaching up to
|
||
<quantity id="4CE59B4FD2186604FF22F9CBC280F980" box="[151,249,1582,1608]" metricMagnitude="-1" metricUnit="m" metricValue="1.5" pageId="8" pageNumber="49" unit="mm" value="150.0">150 mm</quantity>
|
||
in length. Hair coloration on the upper tail divided into three categories: (1) basal region similar in color to dorsal region; (2) hairs of middle region including distal tail vertebrae light brown and medium brown hairs intermixed with cream-colored hairs; (3) tip of tail dark reddish brown (Raw Umber 223). Ventral tail hairs uniformly blackish brown (Sepia 119).
|
||
</paragraph>
|
||
<paragraph id="8BA236AAD2186604FF70F92CC7E5F83A" blockId="8.[151,1437,152,2034]" pageId="8" pageNumber="49">
|
||
Skull elongated and compact with long axis slightly curved and depression in the supraorbital region (
|
||
<figureCitation id="13262A2FD2186604FAD9F92CC2D1F8C2" captionStart="FIGURE 6" captionStartId="12.[151,255,1781,1805]" captionTargetBox="[151,1436,179,1767]" captionTargetId="figure@12.[151,1436,179,1770]" captionTargetPageId="12" captionText="FIGURE 6. Skull of the holotype of Lagidium ahuacaense sp. nov. (MEPN 10237). Scale bar = 10 mm." httpUri="https://zenodo.org/record/188257/files/figure.png" pageId="8" pageNumber="49">Fig. 6</figureCitation>
|
||
). Zygomatic arch relatively broad. Nasal bones slightly concave at the proximal region, curved and inflated toward the distal region. Lacrimal capsule well developed. Frontal bones constricted in the middle region (
|
||
<quantity id="4CE59B4FD2186604FF15F8D8C369F89F" box="[160,272,1853,1879]" metricMagnitude="-2" metricUnit="m" metricValue="1.65" pageId="8" pageNumber="49" unit="mm" value="16.5">16.5 mm</quantity>
|
||
long). Frontal sinuses slightly inflated. Neither occipital external crest nor nuchal crest well developed. In contrast, occipital external protuberance well defined and most prominent posterior point of skull. In lateral view, posterior region of skull curved, nasal bones appear swollen. Premaxilla protrudes slightly beyond front of incisors. Zygomatic process broad in the posterior region. Tympanic bulla small (
|
||
<quantity id="4CE59B4FD2186604FAD2F854C2BCF83A" metricMagnitude="-2" metricUnit="m" metricValue="1.56" pageId="8" pageNumber="49" unit="mm" value="15.6">15.6 mm</quantity>
|
||
in length) and rounded at base with external auditory meatus point directed towards the superior region.
|
||
</paragraph>
|
||
<paragraph id="8BA236AAD2196605FF22FF7DC6F7FEBB" blockId="9.[151,1436,152,371]" pageId="9" pageNumber="50">
|
||
Post-glenoid foramen large and cone-shaped with tip directed towards back of skull. From the ventral view, foramen magnum prominent, with maximum diameter of
|
||
<quantity id="4CE59B4FD2196605FC89FF5BC1DFFF10" box="[828,934,190,216]" metricMagnitude="-2" metricUnit="m" metricValue="1.1199999999999999" pageId="9" pageNumber="50" unit="mm" value="11.2">11.2 mm</quantity>
|
||
. Incisive foramina long and narrow, with a central crease that forms two indentations. Palate narrow in the anterior region and broader in the posterior region. Length of palate raised and extends to near M3. Pterigoid crest extends to posterior region of M2. Posterior margin of palate indented in the shape of a ’W‘. Mesopterygoid fossa deep. Oval foramen large (
|
||
<quantity id="4CE59B4FD2196605FAC0FED7C2BCFEBB" metricMagnitude="-3" metricUnit="m" metricValue="4.9" pageId="9" pageNumber="50" unit="mm" value="4.9">4.9 mm</quantity>
|
||
diameter); located at the posterior region and positioned lateral to pterygoid fossa.
|
||
</paragraph>
|
||
<caption id="DF626622D2196605FF22F89EC62CF812" httpUri="https://zenodo.org/record/188254/files/figure.png" pageId="9" pageNumber="50" targetBox="[286,1280,433,1881]" targetPageId="9">
|
||
<paragraph id="8BA236AAD2196605FF22F89EC62CF812" blockId="9.[151,1436,1915,2010]" pageId="9" pageNumber="50">
|
||
<emphasis id="B969EAB8D2196605FF22F89EC361F85B" bold="true" box="[151,280,1915,1939]" pageId="9" pageNumber="50">FIGURE 3.</emphasis>
|
||
The most likely phylogram resulting from maximum likelihood analysis of the molecular data set. Bootstrap support values ≥ 50% are indicated at branches. Numbers on nodes represent bootstrap support values for maximumlikelihood/maximum-parsimony (above), and neighbor-joining distance analyses (below).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF626622D21A6606FF22FB34C1E7FAC3" httpUri="https://zenodo.org/record/188255/files/figure.png" pageId="10" pageNumber="51" targetBox="[458,1166,180,1164]" targetPageId="10">
|
||
<paragraph id="8BA236AAD21A6606FF22FB34C1E7FAC3" blockId="10.[151,1436,1233,1291]" pageId="10" pageNumber="51">
|
||
<emphasis id="B969EAB8D21A6606FF22FB34C360FB21" bold="true" box="[151,281,1233,1257]" pageId="10" pageNumber="51">FIGURE 4.</emphasis>
|
||
Plantar view of right hind foot (A) and right fore foot (B) of
|
||
<taxonomicName id="4C1D4D29D21A6606FC1DFB37C63BFB21" box="[936,1090,1234,1257]" class="Mammalia" family="Chinchillidae" genus="Lagidium" kingdom="Animalia" order="Rodentia" pageId="10" pageNumber="51" phylum="Chordata" rank="species" species="ahuacaense" status="sp. nov.">
|
||
<emphasis id="B969EAB8D21A6606FC1DFB37C63BFB21" box="[936,1090,1234,1257]" italics="true" pageId="10" pageNumber="51">L. ahuacaense</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25A57C3D21A6606FBFCFB37C6E5FB21" box="[1097,1180,1234,1257]" pageId="10" pageNumber="51" rank="species">sp. nov.</taxonomicNameLabel>
|
||
h = hypothenar pad, t = thenar pad; 1–3 = first through third interdigital pad. Scale bar = 10 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BA236AAD21A6606FF70FADFC107FA69" blockId="10.[151,1437,1338,1930]" pageId="10" pageNumber="51">Structure of mandible robust with a blunt coronoid process directed towards the posterior and exterior regions. Rear mandible of symphysis located at same level as procingulum of p4. Condyle mandibles long. Foramen mandible located at internal base of coronoid process.</paragraph>
|
||
<paragraph id="8BA236AAD21A6606FF70FA4BC0F2FA26" blockId="10.[151,1437,1338,1930]" pageId="10" pageNumber="51">
|
||
Dental rows converge in anterior region. Teeth of
|
||
<typeStatus id="54A68808D21A6606FCA7FA4BC101FA00" box="[786,888,1454,1480]" pageId="10" pageNumber="51" type="holotype">holotype</typeStatus>
|
||
characterized by low crowns. Dental formula:
|
||
<date id="FFA3106AD21A6606FF22FA31C2CCFA26" box="[151,181,1492,1518]" pageId="10" pageNumber="51">I 1</date>
|
||
/1, C 0/0, P 1/1, M 3/3, in total 20 teeth.
|
||
</paragraph>
|
||
<paragraph id="8BA236AAD21A6606FF22FA1EC195F842" blockId="10.[151,1437,1338,1930]" pageId="10" pageNumber="51">
|
||
Incisors whitish, large and elongated. Anterior surfaces of teeth with grooves that extend over the entire length of teeth, but most apparent on upper incisors. Grooves of upper incisors yellowish. Tip of one of upper incisors of the
|
||
<typeStatus id="54A68808D21A6606FEF3F9A3C3D5F9A8" box="[326,428,1606,1632]" pageId="10" pageNumber="51" type="holotype">holotype</typeStatus>
|
||
broken. Lower incisors distinctively beveled. Upper dental row,
|
||
<quantity id="4CE59B4FD21A6606FB18F9A3C75CF9A8" box="[1197,1317,1606,1632]" metricMagnitude="-2" metricUnit="m" metricValue="1.9949999999999999" pageId="10" pageNumber="51" unit="mm" value="19.95">19.95 mm</quantity>
|
||
in length. Molars with low crowns and of continuous growth. Each molar characterized by a flat crown with two transverse lamellae of enamel oriented diagonally to the extreme posterior lingual. P4 slightly larger than remainder teeth. Posterior lamella of M1 and M2 angled and curved towards posterior region, posterior lamellae of M3 form a straight right angle. Lower dental row,
|
||
<quantity id="4CE59B4FD21A6606FCDDF93EC1A9F93D" box="[872,976,1755,1781]" metricMagnitude="-2" metricUnit="m" metricValue="1.81" pageId="10" pageNumber="51" unit="mm" value="18.1">18.1 mm</quantity>
|
||
in length, and converges in the anterior region, similar to upper row. Each molar with two transverse lamellae of enamel. Cingulum of p4 on the labial side with two prominent depressions, posterior depression more pronounced. In labial region of m1-m3, posterior lamellae more pronounced than those of the anterior region. Lingual region of m1-m3 with concave cingulum in the anterior lamella region; posterior region convex (
|
||
<figureCitation id="13262A2FD21A6606FC23F895C1A7F842" box="[918,990,1904,1930]" captionStart="FIGURE 6" captionStartId="12.[151,255,1781,1805]" captionTargetBox="[151,1436,179,1767]" captionTargetId="figure@12.[151,1436,179,1770]" captionTargetPageId="12" captionText="FIGURE 6. Skull of the holotype of Lagidium ahuacaense sp. nov. (MEPN 10237). Scale bar = 10 mm." httpUri="https://zenodo.org/record/188257/files/figure.png" pageId="10" pageNumber="51">Fig. 6</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |