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<document id="4D24C032AF3053EEEAA4D730B3F159C0" ID="10.11646/zootaxa.4277.4.7SLASH11423" ID-CLB-Dataset="32816" ID-DOI="10.11646/zootaxa.4277.4.7" ID-GBIF-Dataset="6b657bc6-1b54-4b0e-9dcd-9630a4849ad3" ID-ISSN="1175-5326" ID-Zenodo-Dep="814669" ID-ZooBank="6E14549C-730F-40E8-839D-85FE1041D443" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1497948250849" checkinUser="plazi" docAuthor="Sandoval-Comte, Adriana, Pineda, Eduardo, Rovito, Sean M. &amp; Luría-Manzano, Ricardo" docDate="2017" docId="93316034FFF0FF95FF7604FBAE86E09F" docLanguage="en" docName="zootaxa.4277.4.7SLASH11423.pdf" docOrigin="Zootaxa 4277 (4)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Isthmura corrugata Sandoval-Comte &amp; Pineda &amp; Rovito &amp; Luría-Manzano 2017, sp. nov." docType="treatment" docVersion="7" lastPageNumber="579" masterDocId="6F08184CFFF2FF93FFE1026CAC07E607" masterDocTitle="A new species of Isthmura (Caudata: Plethodontidae) from the montane cloud forest of central Veracruz, Mexico" masterLastPageNumber="582" masterPageNumber="573" pageNumber="575" updateTime="1698447426854" updateUser="ExternalLinkService">
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<mods:title id="514D791092B5D9949C0D339056016A20">A new species of Isthmura (Caudata: Plethodontidae) from the montane cloud forest of central Veracruz, Mexico</mods:title>
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<mods:namePart id="58CE47245DC46DEB968C7BE8A67B9426">Sandoval-Comte, Adriana</mods:namePart>
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<mods:namePart id="53694A61D64E8E566F9575751B4E0061">Pineda, Eduardo</mods:namePart>
</mods:name>
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<mods:namePart id="CC3B6B08C49E51B4A6C322864F62F56D">Rovito, Sean M.</mods:namePart>
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<mods:namePart id="9D78C86C9B58BD36A2AE13E1E8BF6072">Luría-Manzano, Ricardo</mods:namePart>
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<mods:title id="651754C2487E8E3E7EBAB72E37A8229B">Zootaxa</mods:title>
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<mods:date id="2002FBAEF6146A419768D3A9B5492444">2017</mods:date>
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<treatment id="93316034FFF0FF95FF7604FBAE86E09F" ID-DOI="http://doi.org/10.5281/zenodo.6033580" ID-GBIF-Taxon="131977761" ID-Zenodo-Dep="6033580" LSID="urn:lsid:plazi:treatment:93316034FFF0FF95FF7604FBAE86E09F" httpUri="http://treatment.plazi.org/id/93316034FFF0FF95FF7604FBAE86E09F" lastPageId="6" lastPageNumber="579" pageId="2" pageNumber="575">
<subSubSection id="538282A9FFF0FF91FF7604FBAD29E11C" pageId="2" pageNumber="575" type="nomenclature">
<paragraph id="1B27D122FFF0FF91FF7604FBADEDE0B5" blockId="2.[151,713,1687,1819]" box="[151,490,1687,1714]" pageId="2" pageNumber="575">
<heading id="406F664EFFF0FF91FF7604FBADEDE0B5" bold="true" box="[151,490,1687,1714]" fontSize="11" level="1" pageId="2" pageNumber="575" reason="1">
<emphasis id="29EC0D30FFF0FF91FF7604FBADEDE0B5" bold="true" box="[151,490,1687,1714]" pageId="2" pageNumber="575">
<taxonomicName id="DC98AAA1FFF0FF91FF7604FBAD83E0B6" ID-CoL="3QD9R" authority="Sandoval-Comte &amp; Pineda &amp; Rovito &amp; Luría-Manzano, 2017" authorityName="Sandoval-Comte &amp; Pineda &amp; Rovito &amp; Luría-Manzano" authorityYear="2017" box="[151,388,1687,1713]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="2" pageNumber="575" phylum="Chordata" rank="species" species="corrugata" status="sp. nov.">
<emphasis id="29EC0D30FFF0FF91FF7604FBAD83E0B6" bold="true" box="[151,388,1687,1713]" italics="true" pageId="2" pageNumber="575">Isthmura corrugata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="32DFB04BFFF0FF91FE6D04F4ADEDE0B5" box="[396,490,1688,1714]" pageId="2" pageNumber="575" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="1B27D122FFF0FF91FF7604D6AD29E11C" blockId="2.[151,713,1687,1819]" pageId="2" pageNumber="575">
Suggested English name: Corrugated Salamander. Suggested Spanish name: Salamandra corrugada. (
<figureCitation id="83A3CDA7FFF0FF91FF7F056EAD0CE11C" box="[158,267,1794,1819]" captionStart="FIGURE 2" captionStartId="4.[151,250,1680,1702]" captionTargetBox="[157,1429,205,1649]" captionTargetId="figure@4.[151,1436,193,1659]" captionTargetPageId="4" captionText="FIGURE 2. Holotype of Isthmura corrugata. A) Lateral and B) Ventral view. C) Coloration and form of costal grooves. D) Left hand (up) and left foot (down). E) Details of the head. F) Dorsal view. (G H) Holotype (above) and paratype (below) dorsal and ventral coloration in preservation. All photographs by A. Sandoval-Comte." httpUri="https://zenodo.org/record/814673/files/figure.png" pageId="2" pageNumber="575">Figures 2</figureCitation>
,
<figureCitation id="83A3CDA7FFF0FF91FEF6056FAD22E11C" box="[279,293,1795,1819]" captionStart="FIGURE 3" captionStartId="5.[151,250,1755,1777]" captionTargetBox="[351,1243,995,1728]" captionTargetId="figure@5.[340,1247,985,1733]" captionTargetPageId="5" captionText="FIGURE 3. Osteological details of head and teeth detail of paratype of Isthmura corrugata: V = vomerine teeth, M = maxillary teeth and, PM = premaxillary teeth, PS = parasphenoid." httpUri="https://zenodo.org/record/814675/files/figure.png" pageId="2" pageNumber="575">3</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="538282A9FFF0FF97FF760526AE65E140" lastPageId="4" lastPageNumber="577" pageId="2" pageNumber="575" type="materials_examined">
<paragraph id="1B27D122FFF0FF91FF760526A83FE1AC" blockId="2.[151,1436,1866,1963]" pageId="2" pageNumber="575">
<materialsCitation id="ABF0DB7FFFF0FF91FF760526A83FE1AC" ID-GBIF-Occurrence="1569619011" collectingDate="2014-04-28" collectionCode="CARIE, ASC" collectorName="Coleccion de Anfibios &amp; Instituto de Ecologia, A. C." country="Mexico" elevation="2106" latitude="19.483334" location="Veracruz" longLatPrecision="1271" longitude="-97.03333" pageId="2" pageNumber="575" specimenCode="ASC 200" specimenCount="1" typeStatus="holotype">
<emphasis id="29EC0D30FFF0FF91FF760526AD0CE164" bold="true" box="[151,267,1866,1891]" pageId="2" pageNumber="575">
<typeStatus id="C4236F80FFF0FF91FF760526AD01E164" box="[151,262,1866,1891]" pageId="2" pageNumber="575" type="holotype">Holotype</typeStatus>
.
</emphasis>
<collectionCode id="7D8949E7FFF0FF91FEF00527AD62E164" box="[273,357,1867,1891]" pageId="2" pageNumber="575">CARIE</collectionCode>
0 943 (
<collectorName id="B66DB4F4FFF0FF91FE530526AEB7E164" box="[434,688,1866,1891]" pageId="2" pageNumber="575">Colección de Anfibios</collectorName>
y Reptiles del
<collectorName id="B66DB4F4FFF0FF91FCB60526A883E164" box="[855,1156,1866,1891]" pageId="2" pageNumber="575">Instituto de Ecología, A.C.</collectorName>
), an adult male collected
<locationDeviation id="0A95C800FFF0FF91FF760503ADA7E180" box="[151,416,1902,1927]" pageId="2" pageNumber="575">
<quantity id="DC607CC7FFF0FF91FF760503ACD5E180" box="[151,210,1902,1927]" metricMagnitude="3" metricUnit="m" metricValue="9.0" pageId="2" pageNumber="575" unit="km" value="9.0">9 km</quantity>
NW of Coatepec
</locationDeviation>
,
<location id="1E4787F9FFF0FF91FE4E0503AE11E181" LSID="urn:lsid:plazi:treatment:93316034FFF0FF95FF7604FBAE86E09F:1E4787F9FFF0FF91FE4E0503AE11E181" box="[431,534,1903,1926]" country="Mexico" latitude="19.483334" longLatPrecision="1271" longitude="-97.03333" name="Veracruz" pageId="2" pageNumber="575">Veracruz</location>
,
<collectingCountry id="638F91B2FFF0FF91FDC20502AE7EE180" box="[547,633,1902,1927]" name="Mexico" pageId="2" pageNumber="575">México</collectingCountry>
(
<geoCoordinate id="7EACB7E5FFF0FF91FD6A0503AEFEE180" box="[651,761,1903,1927]" direction="north" orientation="latitude" pageId="2" pageNumber="575" precision="925" value="19.483334">19° 29´N</geoCoordinate>
,
<geoCoordinate id="7EACB7E5FFF0FF91FCE60503AF7CE180" box="[775,891,1903,1927]" direction="west" orientation="longitude" pageId="2" pageNumber="575" precision="925" value="-97.03333">97° 02´W</geoCoordinate>
),
<elevation id="90B53611FFF0FF91FC700502AFF7E181" box="[913,1008,1902,1927]" metricMagnitude="3" metricUnit="m" metricValue="2.106" pageId="2" pageNumber="575" unit="m" value="2106.0">
<quantity id="DC607CC7FFF0FF91FC700502AFF7E181" box="[913,1008,1902,1927]" metricMagnitude="3" metricUnit="m" metricValue="2.106" pageId="2" pageNumber="575" unit="m" value="2106.0">2,106 m</quantity>
</elevation>
elevation, collected by A. Sandoval- Comte (original field number
<specimenCode id="4B3E7959FFF0FF91FE0605FFAE48E1AC" box="[487,591,1939,1963]" collectionCode="ASC" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15857" name="Northern Arizona University" pageId="2" pageNumber="575">
<collectionCode id="7D8949E7FFF0FF91FE0605FFAE1AE1AC" box="[487,541,1939,1963]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15857" name="Northern Arizona University" pageId="2" pageNumber="575">ASC</collectionCode>
200
</specimenCode>
) at 22:15 h on
<collectingDate id="7F620E0AFFF0FF91FD1905FFAF92E1AC" box="[760,917,1938,1963]" pageId="2" pageNumber="575" value="2014-04-28">
<date id="6F26F7E2FFF0FF91FD1905FFAF92E1AC" box="[760,917,1938,1963]" pageId="2" pageNumber="575" value="2014-04-28">28 April 2014</date>
</collectingDate>
(
<figureCitation id="83A3CDA7FFF0FF91FC4405FEAFE0E1AC" box="[933,999,1938,1963]" captionStart="FIGURE 2" captionStartId="4.[151,250,1680,1702]" captionTargetBox="[157,1429,205,1649]" captionTargetId="figure@4.[151,1436,193,1659]" captionTargetPageId="4" captionText="FIGURE 2. Holotype of Isthmura corrugata. A) Lateral and B) Ventral view. C) Coloration and form of costal grooves. D) Left hand (up) and left foot (down). E) Details of the head. F) Dorsal view. (G H) Holotype (above) and paratype (below) dorsal and ventral coloration in preservation. All photographs by A. Sandoval-Comte." httpUri="https://zenodo.org/record/814673/files/figure.png" pageId="2" pageNumber="575">Fig. 2</figureCitation>
A2F).
</materialsCitation>
</paragraph>
<caption id="4FE781AAFFF1FF90FF7605E9A8A7E1DF" httpUri="https://zenodo.org/record/814671/files/figure.png" pageId="3" pageNumber="576" targetBox="[209,1363,208,1866]" targetPageId="3">
<paragraph id="1B27D122FFF1FF90FF7605E9A8A7E1DF" blockId="3.[151,1437,1924,2008]" pageId="3" pageNumber="576">
<emphasis id="29EC0D30FFF1FF90FF7605E9AD15E19D" bold="true" box="[151,274,1925,1947]" pageId="3" pageNumber="576">FIGURE 1.</emphasis>
The combined 16S and cytb mtDNA gene tree of
<taxonomicName id="DC98AAA1FFF1FF90FCEF05E8AFA5E19D" box="[782,930,1924,1946]" class="Amphibia" family="Plethodontidae" genus="Aquiloeurycea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="3" pageNumber="576" phylum="Chordata" rank="genus">
<emphasis id="29EC0D30FFF1FF90FCEF05E8AFA5E19D" box="[782,930,1924,1946]" italics="true" pageId="3" pageNumber="576">Aquiloeurycea</emphasis>
</taxonomicName>
and
<taxonomicName id="DC98AAA1FFF1FF90FC3305E8A829E19D" box="[978,1070,1924,1946]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="3" pageNumber="576" phylum="Chordata" rank="genus">
<emphasis id="29EC0D30FFF1FF90FC3305E8A829E19D" box="[978,1070,1924,1946]" italics="true" pageId="3" pageNumber="576">Isthmura</emphasis>
</taxonomicName>
from maximum likelihood analysis. Numbers above branches correspond to bootstrap proportions, and numbers below branches correspond to posterior probabilities from Bayesian analysis. Branch lengths are in estimated number of substitutions per site.
</paragraph>
</caption>
<caption id="4FE781AAFFF6FF97FF7604FCAFFAE0E4" httpUri="https://zenodo.org/record/814673/files/figure.png" pageId="4" pageNumber="577" targetBox="[157,1429,205,1649]" targetPageId="4">
<paragraph id="1B27D122FFF6FF97FF7604FCAFFAE0E4" blockId="4.[151,1436,1680,1763]" pageId="4" pageNumber="577">
<emphasis id="29EC0D30FFF6FF97FF7604FCAD13E0A2" bold="true" box="[151,276,1680,1702]" pageId="4" pageNumber="577">FIGURE 2.</emphasis>
Holotype of
<taxonomicName id="DC98AAA1FFF6FF97FE4104FCAE6FE0A1" authorityName="Sandoval-Comte &amp; Pineda &amp; Rovito &amp; Luría-Manzano" authorityYear="2017" box="[416,616,1680,1702]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="4" pageNumber="577" phylum="Chordata" rank="species" species="corrugata">
<emphasis id="29EC0D30FFF6FF97FE4104FCAE6FE0A1" box="[416,616,1680,1702]" italics="true" pageId="4" pageNumber="577">Isthmura corrugata</emphasis>
</taxonomicName>
. A) Lateral and B) Ventral view. C) Coloration and form of costal grooves. D) Left hand (up) and left foot (down). E) Details of the head. F) Dorsal view. (GH) Holotype (above) and paratype (below) dorsal and ventral coloration in preservation. All photographs by A. Sandoval-Comte.
</paragraph>
</caption>
<paragraph id="1B27D122FFF6FF97FF260567AE65E140" blockId="4.[151,1436,1803,2007]" pageId="4" pageNumber="577">
<materialsCitation id="ABF0DB7FFFF6FF97FF260567AE65E140" ID-GBIF-Occurrence="1569619012" collectingDate="2014-08-04" collectionCode="CARIE" collectorName="R. Luria-Manzano" pageId="4" pageNumber="577" specimenCount="2" typeStatus="paratype">
<emphasis id="29EC0D30FFF6FF97FF260567AD3CE123" bold="true" box="[199,315,1803,1828]" pageId="4" pageNumber="577">
<typeStatus id="C4236F80FFF6FF97FF260567AD31E123" box="[199,310,1803,1828]" pageId="4" pageNumber="577" type="paratype">Paratype</typeStatus>
.
</emphasis>
<collectionCode id="7D8949E7FFF6FF97FEA20567AD90E124" box="[323,407,1803,1827]" pageId="4" pageNumber="577">CARIE</collectionCode>
0 960, an adult male, same locality data as the
<typeStatus id="C4236F80FFF6FF97FC4C0567A815E123" box="[941,1042,1803,1828]" pageId="4" pageNumber="577" type="holotype">holotype</typeStatus>
, collected by
<collectorName id="B66DB4F4FFF6FF97FB510560A987E124" box="[1200,1408,1803,1827]" pageId="4" pageNumber="577">R. Luría-Manzano</collectorName>
at 15:18 h on
<collectingDate id="7F620E0AFFF6FF97FEF40543ADBCE140" box="[277,443,1839,1863]" pageId="4" pageNumber="577" value="2014-08-04">
<date id="6F26F7E2FFF6FF97FEF40543ADBCE140" box="[277,443,1839,1863]" pageId="4" pageNumber="577" value="2014-08-04">4 August 2014</date>
</collectingDate>
(
<figureCitation id="83A3CDA7FFF6FF97FE2B0542AE0BE140" box="[458,524,1838,1863]" captionStart="FIGURE 2" captionStartId="4.[151,250,1680,1702]" captionTargetBox="[157,1429,205,1649]" captionTargetId="figure@4.[151,1436,193,1659]" captionTargetPageId="4" captionText="FIGURE 2. Holotype of Isthmura corrugata. A) Lateral and B) Ventral view. C) Coloration and form of costal grooves. D) Left hand (up) and left foot (down). E) Details of the head. F) Dorsal view. (G H) Holotype (above) and paratype (below) dorsal and ventral coloration in preservation. All photographs by A. Sandoval-Comte." httpUri="https://zenodo.org/record/814673/files/figure.png" pageId="4" pageNumber="577">Fig. 2</figureCitation>
G2H).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="538282A9FFF6FF96FF26053FADB0E5A2" lastPageId="5" lastPageNumber="578" pageId="4" pageNumber="577" type="diagnosis">
<paragraph id="1B27D122FFF6FF96FF26053FADD3E7AA" blockId="4.[151,1436,1803,2007]" lastBlockId="5.[151,1437,151,933]" lastPageId="5" lastPageNumber="578" pageId="4" pageNumber="577">
<emphasis id="29EC0D30FFF6FF97FF26053FAD46E16B" bold="true" box="[199,321,1875,1900]" pageId="4" pageNumber="577">Diagnosis.</emphasis>
This is a plethodontid salamander of the genus
<taxonomicName id="DC98AAA1FFF6FF97FC82053FAFCFE16B" box="[867,968,1875,1900]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="4" pageNumber="577" phylum="Chordata" rank="genus">
<emphasis id="29EC0D30FFF6FF97FC82053FAFCFE16B" box="[867,968,1875,1900]" italics="true" pageId="4" pageNumber="577">Isthmura</emphasis>
</taxonomicName>
, based on its large size, robust body, and presence of a sublingual fold as well as on mtDNA sequence data. Differs from all other bolitoglossines except
<taxonomicName id="DC98AAA1FFF6FF97FF7605F7ADCDE1B4" box="[151,458,1947,1972]" class="Amphibia" family="Plethodontidae" genus="Pseudoeurycea" kingdom="Animalia" order="Caudata" pageId="4" pageNumber="577" phylum="Chordata" rank="species" species="papenfussi">
<emphasis id="29EC0D30FFF6FF97FF7605F7ADCDE1B4" box="[151,458,1947,1972]" italics="true" pageId="4" pageNumber="577">Pseudoeurycea papenfussi</emphasis>
</taxonomicName>
by its extremely well-defined and bulging costal folds, giving it a segmented appearance that extends even across the venter. Distinguished from all species of
<taxonomicName id="DC98AAA1FFF6FF97FBD405D2A8DFE1D0" box="[1077,1240,1982,2007]" class="Amphibia" family="Plethodontidae" genus="Aquiloeurycea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="4" pageNumber="577" phylum="Chordata" rank="genus">
<emphasis id="29EC0D30FFF6FF97FBD405D2A8DFE1D0" box="[1077,1240,1982,2007]" italics="true" pageId="4" pageNumber="577">Aquiloeurycea</emphasis>
</taxonomicName>
by its larger size (
<taxonomicName id="DC98AAA1FFF7FF96FF4102F4AD2AE6B7" box="[160,301,151,176]" class="Amphibia" family="Plethodontidae" genus="Aquiloeurycea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="scandens">
<emphasis id="29EC0D30FFF7FF96FF4102F4AD2AE6B7" box="[160,301,151,176]" italics="true" pageId="5" pageNumber="578">A. scandens</emphasis>
</taxonomicName>
maximum SL
<quantity id="DC607CC7FFF7FF96FE0602F4AE3AE6B7" box="[487,573,152,176]" metricMagnitude="-2" metricUnit="m" metricValue="7.1" pageId="5" pageNumber="578" unit="mm" value="71.0">71 mm</quantity>
) and from similarly sized species of
<taxonomicName id="DC98AAA1FFF7FF96FBE902FBA893E6B7" box="[1032,1172,151,176]" class="Amphibia" family="Plethodontidae" genus="Bolitoglossa" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="genus">
<emphasis id="29EC0D30FFF7FF96FBE902FBA893E6B7" box="[1032,1172,151,176]" italics="true" pageId="5" pageNumber="578">Bolitoglossa</emphasis>
</taxonomicName>
by the presence of a sublingual fold. Differs from large, robust species of
<taxonomicName id="DC98AAA1FFF7FF96FD0C02D0AF9FE6D2" authorityName="Rovito et al." authorityYear="2015" box="[749,920,188,213]" class="Amphibia" family="Plethodontidae" genus="Pseudoeurycea" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="genus">
<emphasis id="29EC0D30FFF7FF96FD0C02D0AF9FE6D2" box="[749,920,188,213]" italics="true" pageId="5" pageNumber="578">Pseudoeurycea</emphasis>
</taxonomicName>
such as
<taxonomicName id="DC98AAA1FFF7FF96FC1802D1A88AE6D3" box="[1017,1165,188,212]" class="Amphibia" family="Plethodontidae" genus="Pseudoeurycea" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="papenfussi">
<emphasis id="29EC0D30FFF7FF96FC1802D1A88AE6D3" box="[1017,1165,188,212]" italics="true" pageId="5" pageNumber="578">P. papenfussi</emphasis>
</taxonomicName>
and
<taxonomicName id="DC98AAA1FFF7FF96FB2502D1A926E6D2" box="[1220,1313,188,213]" class="Amphibia" family="Plethodontidae" genus="Pseudoeurycea" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="smithi">
<emphasis id="29EC0D30FFF7FF96FB2502D1A926E6D2" box="[1220,1313,188,213]" italics="true" pageId="5" pageNumber="578">P. smithi</emphasis>
</taxonomicName>
by having more substantial foot webbing and triangularly shaped toes. It is the second smallest species of
<taxonomicName id="DC98AAA1FFF7FF96FAD602B3A99BE6FF" box="[1335,1436,223,248]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="genus">
<emphasis id="29EC0D30FFF7FF96FAD602B3A99BE6FF" box="[1335,1436,223,248]" italics="true" pageId="5" pageNumber="578">Isthmura</emphasis>
</taxonomicName>
(maximum SL
<quantity id="DC607CC7FFF7FF96FEA00368ADADE71B" box="[321,426,260,285]" metricMagnitude="-2" metricUnit="m" metricValue="8.53" pageId="5" pageNumber="578" unit="mm" value="85.3">85.3 mm</quantity>
), only slightly larger than
<taxonomicName id="DC98AAA1FFF7FF96FD300369AF9BE71A" box="[721,924,260,285]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="naucampatepetl">
<emphasis id="29EC0D30FFF7FF96FD300369AF9BE71A" box="[721,924,260,285]" italics="true" pageId="5" pageNumber="578">I. naucampatepetl</emphasis>
</taxonomicName>
(maximum SL
<quantity id="DC607CC7FFF7FF96FBAC0368A8B2E71B" box="[1101,1205,260,284]" metricMagnitude="-2" metricUnit="m" metricValue="8.29" pageId="5" pageNumber="578" unit="mm" value="82.9">82.9 mm</quantity>
); all other species in the genus are substantially larger (maximum SL in:
<taxonomicName id="DC98AAA1FFF7FF96FD0B0345AFCAE747" box="[746,973,295,320]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="sierraoccidentalis">
<emphasis id="29EC0D30FFF7FF96FD0B0345AFCAE747" box="[746,973,295,320]" italics="true" pageId="5" pageNumber="578">I. sierraoccidentalis</emphasis>
</taxonomicName>
<quantity id="DC607CC7FFF7FF96FC340344A839E738" box="[981,1086,296,320]" metricMagnitude="-2" metricUnit="m" metricValue="8.83" pageId="5" pageNumber="578" unit="mm" value="88.3">88.3 mm</quantity>
;
<taxonomicName id="DC98AAA1FFF7FF96FBAA0345A8BAE747" box="[1099,1213,297,320]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="maxima">
<emphasis id="29EC0D30FFF7FF96FBAA0345A8BAE747" box="[1099,1213,297,320]" italics="true" pageId="5" pageNumber="578">I. maxima</emphasis>
</taxonomicName>
<quantity id="DC607CC7FFF7FF96FB240344A93BE738" box="[1221,1340,296,320]" metricMagnitude="-1" metricUnit="m" metricValue="1.281" pageId="5" pageNumber="578" unit="mm" value="128.1">128.1 mm</quantity>
;
<taxonomicName id="DC98AAA1FFF7FF96FAA80345A99BE747" box="[1353,1436,295,320]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="bellii">
<emphasis id="29EC0D30FFF7FF96FAA80345A99BE747" box="[1353,1436,295,320]" italics="true" pageId="5" pageNumber="578">I. bellii</emphasis>
</taxonomicName>
<quantity id="DC607CC7FFF7FF96FF760320ACF1E763" box="[151,246,332,357]" metricMagnitude="-1" metricUnit="m" metricValue="1.46" pageId="5" pageNumber="578" unit="mm" value="146.0">146 mm</quantity>
;
<taxonomicName id="DC98AAA1FFF7FF96FEE00321AD59E762" box="[257,350,332,357]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="boneti">
<emphasis id="29EC0D30FFF7FF96FEE00321AD59E762" box="[257,350,332,357]" italics="true" pageId="5" pageNumber="578">I. boneti</emphasis>
</taxonomicName>
<quantity id="DC607CC7FFF7FF96FE850320ADC4E763" box="[356,451,332,356]" metricMagnitude="-1" metricUnit="m" metricValue="1.0699999999999998" pageId="5" pageNumber="578" unit="mm" value="107.0">107 mm</quantity>
;
<taxonomicName id="DC98AAA1FFF7FF96FE2F0321AE40E763" box="[462,583,333,356]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="gigantea">
<emphasis id="29EC0D30FFF7FF96FE2F0321AE40E763" box="[462,583,333,356]" italics="true" pageId="5" pageNumber="578">I. gigantea</emphasis>
</taxonomicName>
<quantity id="DC607CC7FFF7FF96FDAC0320AEABE763" box="[589,684,332,357]" metricMagnitude="-1" metricUnit="m" metricValue="1.61" pageId="5" pageNumber="578" unit="mm" value="161.0">161 mm</quantity>
;
<bibRefCitation id="7F09ACD3FFF7FF96FD560320AFB7E762" author="Parra-Olea" box="[695,944,332,357]" pageId="5" pageNumber="578" refString="Parra-Olea, G., Garcia-Paris, M., Papenfuss, T. J. &amp; Wake, D. B. (2005) Systematics of the Pseudoeurycea bellii (Caudata: Plethodontidae) species complex. Herpetologica, 61, 145 - 158." type="journal article" year="2005">
Parra-Olea
<emphasis id="29EC0D30FFF7FF96FCD60321AF68E762" box="[823,879,332,357]" italics="true" pageId="5" pageNumber="578">et al.</emphasis>
2005
</bibRefCitation>
;
<bibRefCitation id="7F09ACD3FFF7FF96FC5A0320A867E763" author="Raffaelli" box="[955,1120,332,357]" pageId="5" pageNumber="578" refString="Raffaelli, J. (2007) Les Urodeles du Monde. Penclen edition, Conde-sur-Noireau, 377 pp." type="book" year="2007">Raffaëlli 2007</bibRefCitation>
). No females of
<taxonomicName id="DC98AAA1FFF7FF96FAF40321A99BE763" authorityName="Sandoval-Comte &amp; Pineda &amp; Rovito &amp; Luría-Manzano" authorityYear="2017" box="[1301,1436,333,356]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="corrugata">
<emphasis id="29EC0D30FFF7FF96FAF40321A99BE763" box="[1301,1436,333,356]" italics="true" pageId="5" pageNumber="578">I. corrugata</emphasis>
</taxonomicName>
have been found, so the maximum size of this species is likely greater than
<quantity id="DC607CC7FFF7FF96FC0F0303A854E780" box="[1006,1107,367,392]" metricMagnitude="-2" metricUnit="m" metricValue="8.53" pageId="5" pageNumber="578" unit="mm" value="85.3">85.3 mm</quantity>
SL because female
<taxonomicName id="DC98AAA1FFF7FF96FAD60303A99BE78F" box="[1335,1436,367,392]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="genus">
<emphasis id="29EC0D30FFF7FF96FAD60303A99BE78F" box="[1335,1436,367,392]" italics="true" pageId="5" pageNumber="578">Isthmura</emphasis>
</taxonomicName>
tend to be larger than males.
</paragraph>
<paragraph id="1B27D122FFF7FF96FF2603DBADB0E5A2" blockId="5.[151,1437,151,933]" pageId="5" pageNumber="578">
Members of the genus
<taxonomicName id="DC98AAA1FFF7FF96FE3103DBAE32E7D7" box="[464,565,439,464]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="genus">
<emphasis id="29EC0D30FFF7FF96FE3103DBAE32E7D7" box="[464,565,439,464]" italics="true" pageId="5" pageNumber="578">Isthmura</emphasis>
</taxonomicName>
have been characterized by the presence of spots or marks on a solid black dorsal background. The new species, however, is easily distinguished from all other members of the genus by the absence of any spot or mark on the dorsum, which instead is uniformly black, except by dull reddish brown coloration on eyelids. All other species have a series of chevrons (
<taxonomicName id="DC98AAA1FFF7FF96FC9D0049AFDDE43A" box="[892,986,548,573]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="boneti">
<emphasis id="29EC0D30FFF7FF96FC9D0049AFDDE43A" box="[892,986,548,573]" italics="true" pageId="5" pageNumber="578">I. boneti</emphasis>
</taxonomicName>
and
<taxonomicName id="DC98AAA1FFF7FF96FBF10049A88EE43B" box="[1040,1161,549,572]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="gigantea">
<emphasis id="29EC0D30FFF7FF96FBF10049A88EE43B" box="[1040,1161,549,572]" italics="true" pageId="5" pageNumber="578">I. gigantea</emphasis>
</taxonomicName>
), half-chevrons (
<taxonomicName id="DC98AAA1FFF7FF96FAAA0049A99BE43A" box="[1355,1436,548,573]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="bellii">
<emphasis id="29EC0D30FFF7FF96FAAA0049A99BE43A" box="[1355,1436,548,573]" italics="true" pageId="5" pageNumber="578">I. bellii</emphasis>
</taxonomicName>
and
<taxonomicName id="DC98AAA1FFF7FF96FF270025AD31E467" box="[198,310,585,608]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="maxima">
<emphasis id="29EC0D30FFF7FF96FF270025AD31E467" box="[198,310,585,608]" italics="true" pageId="5" pageNumber="578">I. maxima</emphasis>
</taxonomicName>
), or small marks (
<taxonomicName id="DC98AAA1FFF7FF96FDE50025AEC9E467" box="[516,718,583,608]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="naucampatepetl">
<emphasis id="29EC0D30FFF7FF96FDE50025AEC9E467" box="[516,718,583,608]" italics="true" pageId="5" pageNumber="578">I. naucampatepetl</emphasis>
</taxonomicName>
) along the dorsum, that are red-orange in all species except in
<taxonomicName id="DC98AAA1FFF7FF96FA6D0025AD4DE482" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="naucampatepetl">
<emphasis id="29EC0D30FFF7FF96FA6D0025AD4DE482" italics="true" pageId="5" pageNumber="578">I. naucampatepetl</emphasis>
</taxonomicName>
, in which they are pink (
<bibRefCitation id="7F09ACD3FFF7FF96FD520000AFDFE483" author="Parra-Olea" box="[691,984,620,645]" pageId="5" pageNumber="578" refString="Parra-Olea, G., Papenfuss, T. J. &amp; Wake, D. B. (2001) New Species of Lungless Salamanders of the Genus Pseudoeurycea (Amphibia: Caudata: Plethodontidae) from Veracruz, Mexico. Scientific Papers, Natural History Museum, University of Kansas, 20, 1 - 9." type="journal article" year="2001">
Parra-Olea
<emphasis id="29EC0D30FFF7FF96FCA20001AF8EE482" box="[835,905,620,645]" italics="true" pageId="5" pageNumber="578">et al.</emphasis>
2001
</bibRefCitation>
;
<bibRefCitation id="7F09ACD3FFF7FF96FC100000A911E482" author="Parra-Olea" box="[1009,1302,620,645]" pageId="5" pageNumber="578" refString="Parra-Olea, G., Garcia-Paris, M., Papenfuss, T. J. &amp; Wake, D. B. (2005) Systematics of the Pseudoeurycea bellii (Caudata: Plethodontidae) species complex. Herpetologica, 61, 145 - 158." type="journal article" year="2005">
Parra-Olea
<emphasis id="29EC0D30FFF7FF96FB9E0001A8C2E482" box="[1151,1221,620,645]" italics="true" pageId="5" pageNumber="578">et al.</emphasis>
2005
</bibRefCitation>
).
<taxonomicName id="DC98AAA1FFF7FF96FAD60000AD66E4AF" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="sierraoccidentalis">
<emphasis id="29EC0D30FFF7FF96FAD60000AD66E4AF" italics="true" pageId="5" pageNumber="578">Isthmura sierraoccidentalis</emphasis>
</taxonomicName>
has a predominantly black dorsum, but all known individuals have some degree of reduced redorange dorsal spotting (
<bibRefCitation id="7F09ACD3FFF7FF96FE4A00D8AE7BE4CA" author="Lowe" box="[427,636,692,717]" pageId="5" pageNumber="578" refString="Lowe, C. H., Jones, C. J. &amp; Wright, J. W. (1968) A new plethodontid from Sonora, Mexico. Contributions in Science, Natural History Museum of Los Angeles County, 140, 1 - 11." type="journal article" year="1968">
Lowe
<emphasis id="29EC0D30FFF7FF96FE1900D9AE32E4CA" box="[504,565,692,717]" italics="true" pageId="5" pageNumber="578">et al.</emphasis>
1968
</bibRefCitation>
;
<bibRefCitation id="7F09ACD3FFF7FF96FD6A00D8AF60E4CA" author="Rovito" box="[651,871,692,717]" pageId="5" pageNumber="578" refString="Rovito, S. M., Parra-Olea, G., Recuero, E. &amp; Wake, D. B. (2015) Diversification and biogeographical history of Neotropical plethodontid salamanders. Zoological Journal of the Linnean Society, 175, 167 - 188. https: // doi. org / 10.1111 / zoj. 12271" type="journal article" year="2015">
Rovito
<emphasis id="29EC0D30FFF7FF96FD0200D9AF18E4CA" box="[739,799,692,717]" italics="true" pageId="5" pageNumber="578">et al.</emphasis>
2015
</bibRefCitation>
).
<taxonomicName id="DC98AAA1FFF7FF96FC9F00D8A859E4CB" authorityName="Sandoval-Comte &amp; Pineda &amp; Rovito &amp; Luría-Manzano" authorityYear="2017" box="[894,1118,692,717]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="corrugata">
<emphasis id="29EC0D30FFF7FF96FC9F00D8A859E4CB" box="[894,1118,692,717]" italics="true" pageId="5" pageNumber="578">Isthmura corrugata</emphasis>
</taxonomicName>
is further distinguished by contrasting coloration between the blackish brown dorsal and vinaceous brown ventral background color, whereas all other species of the genus have a uniformly black dorsal and ventral background coloration. In addition, this species has a body marked by deep grooves and an unusual coloring above the eyes (dull reddish brown). Some body proportions also distinguish the new species from its congeners (
<figureCitation id="83A3CDA7FFF7FF96FC4F0128AFF5E55B" box="[942,1010,836,861]" captionStart="FIGURE 2" captionStartId="4.[151,250,1680,1702]" captionTargetBox="[157,1429,205,1649]" captionTargetId="figure@4.[151,1436,193,1659]" captionTargetPageId="4" captionText="FIGURE 2. Holotype of Isthmura corrugata. A) Lateral and B) Ventral view. C) Coloration and form of costal grooves. D) Left hand (up) and left foot (down). E) Details of the head. F) Dorsal view. (G H) Holotype (above) and paratype (below) dorsal and ventral coloration in preservation. All photographs by A. Sandoval-Comte." httpUri="https://zenodo.org/record/814673/files/figure.png" pageId="5" pageNumber="578">Fig. 2</figureCitation>
). It has a relatively larger head (mean HL/SL= 0.23 versus
<quantity id="DC607CC7FFF7FF96FE64010BAE13E587" box="[389,532,871,896]" metricMagnitude="-3" metricUnit="m" metricValue="4.191" metricValueMax="4.572" metricValueMin="3.81" pageId="5" pageNumber="578" unit="in" value="0.16499999999999998" valueMax="0.18" valueMin="0.15">0.150.18 in</quantity>
the other species) and a relatively shorter tail (mean TL/SL= 0.69 versus
<quantity id="DC607CC7FFF7FF96FABC0104ACE2E5A2" metricMagnitude="-2" metricUnit="m" metricValue="2.2225" metricValueMax="2.4892" metricValueMin="1.9558" pageId="5" pageNumber="578" unit="in" value="0.875" valueMax="0.98" valueMin="0.77">0.77 0.98 in</quantity>
the other species).
</paragraph>
</subSubSection>
<caption id="4FE781AAFFF7FF96FF7604B7AEBAE108" httpUri="https://zenodo.org/record/814675/files/figure.png" pageId="5" pageNumber="578" targetBox="[351,1243,995,1728]" targetPageId="5">
<paragraph id="1B27D122FFF7FF96FF7604B7AEBAE108" blockId="5.[151,1436,1755,1807]" pageId="5" pageNumber="578">
<emphasis id="29EC0D30FFF7FF96FF7604B7AD15E0F7" bold="true" box="[151,274,1755,1777]" pageId="5" pageNumber="578">FIGURE 3.</emphasis>
Osteological details of head and teeth detail of paratype of
<taxonomicName id="DC98AAA1FFF7FF96FC9104B7A830E0F6" authorityName="Sandoval-Comte &amp; Pineda &amp; Rovito &amp; Luría-Manzano" authorityYear="2017" box="[880,1079,1755,1777]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="species" species="corrugata">
<emphasis id="29EC0D30FFF7FF96FC9104B7A830E0F6" box="[880,1079,1755,1777]" italics="true" pageId="5" pageNumber="578">Isthmura corrugata</emphasis>
</taxonomicName>
: V= vomerine teeth, M= maxillary teeth and, PM= premaxillary teeth, PS= parasphenoid.
</paragraph>
</caption>
<subSubSection id="538282A9FFF7FF95FF26055AAF46E233" lastPageId="6" lastPageNumber="579" pageId="5" pageNumber="578" type="description">
<paragraph id="1B27D122FFF7FF95FF26055AAFF5E7AA" blockId="5.[151,1437,1846,2015]" lastBlockId="6.[151,1437,151,1688]" lastPageId="6" lastPageNumber="579" pageId="5" pageNumber="578">
<emphasis id="29EC0D30FFF7FF96FF26055AADEFE148" bold="true" box="[199,488,1846,1871]" pageId="5" pageNumber="578">
Description of
<typeStatus id="C4236F80FFF7FF96FE9B055AADE4E148" box="[378,483,1846,1871]" pageId="5" pageNumber="578" type="holotype">holotype</typeStatus>
.
</emphasis>
Among the large salamanders of the genus
<taxonomicName id="DC98AAA1FFF7FF96FC01055AA842E148" box="[992,1093,1846,1871]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="5" pageNumber="578" phylum="Chordata" rank="genus">
<emphasis id="29EC0D30FFF7FF96FC01055AA842E148" box="[992,1093,1846,1871]" italics="true" pageId="5" pageNumber="578">Isthmura</emphasis>
</taxonomicName>
, this is a robust but relatively small species (maximum SL=
<quantity id="DC607CC7FFF7FF96FE0D0536AE53E174" box="[492,596,1882,1907]" metricMagnitude="-2" metricUnit="m" metricValue="8.53" pageId="5" pageNumber="578" unit="mm" value="85.3">85.3 mm</quantity>
). Its body has a very muscular appearance. It has a prominent, broad (HW/ SL= 0.22) and large head (HL/SL= 0.23) with very substantial jaw musculature. Deep postorbital groove extends from eye to end of jaw and continues to gular region. Snout is rounded and neck region is defined by deep groove behind head, slightly narrower than head. Parotoid glands are well developed and a large oval mental gland (mental gland width/HW= 0.39) was present in both specimens. Eyes are protuberant. Maxillary teeth 62 (31/31), premaxillary teeth 6, enlarged compared to maxillary teeth; vomerine teeth 46, arranged in two arcs (22/24) extending beyond outer margin of choanae; around 52 parasphenoid teeth arranged in two series as inverted “V” shape; nasolabial protuberances are poorly developed (
<figureCitation id="83A3CDA7FFF4FF95FD1F0368AF45E71B" box="[766,834,260,285]" captionStart="FIGURE 3" captionStartId="5.[151,250,1755,1777]" captionTargetBox="[351,1243,995,1728]" captionTargetId="figure@5.[340,1247,985,1733]" captionTargetPageId="5" captionText="FIGURE 3. Osteological details of head and teeth detail of paratype of Isthmura corrugata: V = vomerine teeth, M = maxillary teeth and, PM = premaxillary teeth, PS = parasphenoid." httpUri="https://zenodo.org/record/814675/files/figure.png" pageId="6" pageNumber="579">Fig. 3</figureCitation>
). Extremely well-marked costal grooves 13, counting one each in axilla and groin (
<figureCitation id="83A3CDA7FFF4FF95FE02034BAE2EE747" box="[483,553,295,320]" captionStart="FIGURE 2" captionStartId="4.[151,250,1680,1702]" captionTargetBox="[157,1429,205,1649]" captionTargetId="figure@4.[151,1436,193,1659]" captionTargetPageId="4" captionText="FIGURE 2. Holotype of Isthmura corrugata. A) Lateral and B) Ventral view. C) Coloration and form of costal grooves. D) Left hand (up) and left foot (down). E) Details of the head. F) Dorsal view. (G H) Holotype (above) and paratype (below) dorsal and ventral coloration in preservation. All photographs by A. Sandoval-Comte." httpUri="https://zenodo.org/record/814673/files/figure.png" pageId="6" pageNumber="579">Fig. 2</figureCitation>
). Tail is relatively short (TL/SL= 0.69) and robust with basal constriction and tip rounded. Limbs are robust and relatively long (combined limb length/SL= 0.5). Digits are well defined, relatively short, stout and triangular. Digits in order of decreasing length III-II-IV-I on hands and III-IV-II-V-I on feet (
<figureCitation id="83A3CDA7FFF4FF95FF3103F8AD13E7AB" box="[208,276,404,429]" captionStart="FIGURE 2" captionStartId="4.[151,250,1680,1702]" captionTargetBox="[157,1429,205,1649]" captionTargetId="figure@4.[151,1436,193,1659]" captionTargetPageId="4" captionText="FIGURE 2. Holotype of Isthmura corrugata. A) Lateral and B) Ventral view. C) Coloration and form of costal grooves. D) Left hand (up) and left foot (down). E) Details of the head. F) Dorsal view. (G H) Holotype (above) and paratype (below) dorsal and ventral coloration in preservation. All photographs by A. Sandoval-Comte." httpUri="https://zenodo.org/record/814673/files/figure.png" pageId="6" pageNumber="579">Fig. 2</figureCitation>
D). Phalangeal formulae 1-2-3-2 for hands and 1-2-3-3-2 for feet.
</paragraph>
<paragraph id="1B27D122FFF4FF95FF2603DBADCDE43B" blockId="6.[151,1437,151,1688]" pageId="6" pageNumber="579">
<emphasis id="29EC0D30FFF4FF95FF2603DBAD9EE7D7" bold="true" box="[199,409,439,464]" pageId="6" pageNumber="579">Coloration in life.</emphasis>
Dorsum uniformly dark, color Vandyke Brown (282) from tail to head (including hands and feet). Prominent eyelids, jaw margins and gular surface pale Cinnamon-Rufous (31). Iris Raw Umber (280). Distal half of flanks dark, like dorsal coloration; proximal half Deep Vinaceous (248) extending to the venter and ventral side of limbs (
<figureCitation id="83A3CDA7FFF4FF95FED60048AD7EE43B" box="[311,377,548,573]" captionStart="FIGURE 2" captionStartId="4.[151,250,1680,1702]" captionTargetBox="[157,1429,205,1649]" captionTargetId="figure@4.[151,1436,193,1659]" captionTargetPageId="4" captionText="FIGURE 2. Holotype of Isthmura corrugata. A) Lateral and B) Ventral view. C) Coloration and form of costal grooves. D) Left hand (up) and left foot (down). E) Details of the head. F) Dorsal view. (G H) Holotype (above) and paratype (below) dorsal and ventral coloration in preservation. All photographs by A. Sandoval-Comte." httpUri="https://zenodo.org/record/814673/files/figure.png" pageId="6" pageNumber="579">Fig. 2</figureCitation>
A2F).
</paragraph>
<paragraph id="1B27D122FFF4FF95FF26002BAEBAE4F7" blockId="6.[151,1437,151,1688]" pageId="6" pageNumber="579">
<emphasis id="29EC0D30FFF4FF95FF26002BADCEE467" bold="true" box="[199,457,583,608]" pageId="6" pageNumber="579">Coloration in alcohol.</emphasis>
Coloration very similar to that in life. Dorsum, dorsal surface of head, trunk, limbs, and tail Dusty Brown (285). Eyelids Raw Umber (280), slightly darker than in live individuals. Jaw margins and gular region Dark Grayish Olive (245). Distal half of flanks same color as dorsum, proximal half Deep Vinaceous (248), extending onto ventral surface. Ventral side of the tail color slightly more grayish than rest of its dorsum. Underside of hands and feet paler than in life (
<figureCitation id="83A3CDA7FFF4FF95FDC700BBAE6FE4F7" box="[550,616,727,752]" captionStart="FIGURE 2" captionStartId="4.[151,250,1680,1702]" captionTargetBox="[157,1429,205,1649]" captionTargetId="figure@4.[151,1436,193,1659]" captionTargetPageId="4" captionText="FIGURE 2. Holotype of Isthmura corrugata. A) Lateral and B) Ventral view. C) Coloration and form of costal grooves. D) Left hand (up) and left foot (down). E) Details of the head. F) Dorsal view. (G H) Holotype (above) and paratype (below) dorsal and ventral coloration in preservation. All photographs by A. Sandoval-Comte." httpUri="https://zenodo.org/record/814673/files/figure.png" pageId="6" pageNumber="579">Fig. 2</figureCitation>
G2H).
</paragraph>
<paragraph id="1B27D122FFF4FF95FF260090AF46E233" blockId="6.[151,1437,151,1688]" pageId="6" pageNumber="579">
<emphasis id="29EC0D30FFF4FF95FF260090AEE0E512" bold="true" box="[199,743,764,789]" pageId="6" pageNumber="579">
Measurements of
<typeStatus id="C4236F80FFF4FF95FE7F0090AE03E512" box="[414,516,764,789]" pageId="6" pageNumber="579" type="holotype">holotype</typeStatus>
/
<typeStatus id="C4236F80FFF4FF95FDEC0090AE70E512" box="[525,631,764,789]" pageId="6" pageNumber="579" type="paratype">paratype</typeStatus>
(in mm).
</emphasis>
Standard length (SL: distance from snout to posterior end of vent) 71.9/85.3; head width (HW) 15.8/17.7; head length (HL: snout to gular fold) 16.3/20.8; head depth at angle of jaw 6.8/7.9; eyelid length 5.3/6.2; eyelid width 2.9/3.5; anterior rim of orbit to snout 3.6/4.5; eye diameter 2.8/ 3.3; interorbital distance 4.5/5.0; snout to forelimb 21.2/27.4; internarial distance 4.5/5.5; intercanthal distance 4.8/ 5.6; nostril diameter 0.4/0.6; snout projection beyond mandible 1.5/1.5; snout to anterior angle of vent 65.9/82.1; axilla to groin 31.6/35.1; tail length (TL) 48.3/60.2; tail width at base 7.0/7.5; tail depth at base 8.9/9.8; forelimb length 16.2/20.0; hind limb length 20.0/25.7; hand width 5.9/6.5; foot width 7.5/8.7; length of the longest (third) toe 2.1/2.3; length of fifth toe 0.9/1.2; mental gland width 6.1/6.2; mental gland length 3.8/3.8; Numbers of teeth: premaxillary 6/10; maxillary 62/60; vomerine 46/42 (
<figureCitation id="83A3CDA7FFF4FF95FD0F0670AF34E233" box="[750,819,1052,1077]" captionStart="FIGURE 3" captionStartId="5.[151,250,1755,1777]" captionTargetBox="[351,1243,995,1728]" captionTargetId="figure@5.[340,1247,985,1733]" captionTargetPageId="5" captionText="FIGURE 3. Osteological details of head and teeth detail of paratype of Isthmura corrugata: V = vomerine teeth, M = maxillary teeth and, PM = premaxillary teeth, PS = parasphenoid." httpUri="https://zenodo.org/record/814675/files/figure.png" pageId="6" pageNumber="579">Fig. 3</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="538282A9FFF4FF95FF260653AD79E057" pageId="6" pageNumber="579" type="distribution">
<paragraph id="1B27D122FFF4FF95FF260653AF69E3C7" blockId="6.[151,1437,151,1688]" pageId="6" pageNumber="579">
<emphasis id="29EC0D30FFF4FF95FF260653ADFFE25F" bold="true" box="[199,504,1087,1112]" pageId="6" pageNumber="579">Distribution and Ecology.</emphasis>
<taxonomicName id="DC98AAA1FFF4FF95FE1E0653AEDCE25F" authorityName="Sandoval-Comte &amp; Pineda &amp; Rovito &amp; Luría-Manzano" authorityYear="2017" box="[511,731,1087,1112]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="6" pageNumber="579" phylum="Chordata" rank="species" species="corrugata">
<emphasis id="29EC0D30FFF4FF95FE1E0653AEDCE25F" box="[511,731,1087,1112]" italics="true" pageId="6" pageNumber="579">Isthmura corrugata</emphasis>
</taxonomicName>
is known only from the
<typeStatus id="C4236F80FFF4FF95FC0C062CA81AE25F" box="[1005,1053,1088,1112]" pageId="6" pageNumber="579">type</typeStatus>
locality, near the city of Coatepec in the mountainous region of central
<collectingRegion id="D95C1FC0FFF4FF95FDDC0609AEA6E27B" box="[573,673,1125,1148]" country="Mexico" name="Veracruz de Ignacio de la Llave" pageId="6" pageNumber="579">Veracruz</collectingRegion>
(
<figureCitation id="83A3CDA7FFF4FF95FD500608AEF0E27B" box="[689,759,1124,1149]" captionStart="FIGURE 4" captionStartId="7.[151,250,1612,1634]" captionTargetBox="[226,1360,234,1583]" captionTargetId="figure@7.[216,1371,193,1591]" captionTargetPageId="7" captionText="FIGURE 4. Map of the type locality of Isthmura corrugata in the mountainous region of central Veracruz, Mexico and, habitat at the type locality. Photograph by R. Luría (left) and A. Sandoval-Comte (right)." httpUri="https://zenodo.org/record/814677/files/figure.png" pageId="6" pageNumber="579">Fig. 4</figureCitation>
). This mountain range lies within the eastern portion of the Trans-Mexican Volcanic Belt. The vegetation at the
<typeStatus id="C4236F80FFF4FF95FD0806E5AF1EE2A6" box="[745,793,1161,1185]" pageId="6" pageNumber="579">type</typeStatus>
locality is cloud forest, characterized by the presence of tall trees that provide a high percentage of canopy cover, a deep layer of leaf litter (=
<quantity id="DC607CC7FFF4FF95FB8206C0A891E2C3" box="[1123,1174,1196,1220]" metricMagnitude="-2" metricUnit="m" metricValue="8.0" pageId="6" pageNumber="579" unit="cm" value="8.0">8cm</quantity>
), and a high density of bromeliads and epiphytes. The dominant tree species are
<taxonomicName id="DC98AAA1FFF4FF95FCF706A3AFD9E2EF" authorityName="DC." authorityYear="1839" box="[790,990,1231,1256]" class="Magnoliopsida" family="Clethraceae" genus="Clethra" kingdom="Plantae" order="Ericales" pageId="6" pageNumber="579" phylum="Tracheophyta" rank="species" species="mexicana">
<emphasis id="29EC0D30FFF4FF95FCF706A3AFD9E2EF" box="[790,990,1231,1256]" italics="true" pageId="6" pageNumber="579">Clethra mexicana</emphasis>
</taxonomicName>
,
<taxonomicName id="DC98AAA1FFF4FF95FC0D06A3A960E2EF" authority="Miconia" authorityName="Miconia" box="[1004,1383,1231,1256]" class="Magnoliopsida" family="Chloranthaceae" genus="Hedyosmum" kingdom="Plantae" order="Chloranthales" pageId="6" pageNumber="579" phylum="Tracheophyta" rank="species" species="mexicanum">
<emphasis id="29EC0D30FFF4FF95FC0D06A3A960E2EF" box="[1004,1383,1231,1256]" italics="true" pageId="6" pageNumber="579">Hedyosmum mexicanum, Miconia</emphasis>
</taxonomicName>
spp,
<taxonomicName id="DC98AAA1FFF4FF95FF760698AD76E30B" box="[151,369,1268,1293]" class="Magnoliopsida" family="Platanaceae" genus="Platanus" kingdom="Plantae" order="Proteales" pageId="6" pageNumber="579" phylum="Tracheophyta" rank="species" species="mexicana">
<emphasis id="29EC0D30FFF4FF95FF760698AD76E30B" box="[151,369,1268,1293]" italics="true" pageId="6" pageNumber="579">Platanus mexicana</emphasis>
</taxonomicName>
,
<taxonomicName id="DC98AAA1FFF4FF95FE620699ADE6E30B" authorityName="C. Linnaeus" authorityYear="1753" box="[387,481,1269,1292]" class="Magnoliopsida" family="Fagaceae" genus="Quercus" kingdom="Plantae" order="Fagales" pageId="6" pageNumber="579" phylum="Tracheophyta" rank="genus">
<emphasis id="29EC0D30FFF4FF95FE620699ADE6E30B" box="[387,481,1269,1292]" italics="true" pageId="6" pageNumber="579">Quercus</emphasis>
</taxonomicName>
spp, as well as tree fern species (García-Franco
<emphasis id="29EC0D30FFF4FF95FBC60699A863E30A" box="[1063,1124,1268,1293]" italics="true" pageId="6" pageNumber="579">et al.</emphasis>
2008;
<bibRefCitation id="7F09ACD3FFF4FF95FB5B0698AD92E337" author="Toledo-Garibaldi" pageId="6" pageNumber="579" refString="Toledo-Garibaldi, M. &amp; Williams-Linera, G. (2014) Tree diversity patterns in successive vegetation types along an elevation gradient in the Mountains of Eastern Mexico. Ecological Research, 29, 1097 - 1104." type="journal article" year="2014">Toledo-Garibaldi &amp; Williams-Linera 2014</bibRefCitation>
). A frequent fog maintains high levels of humidity. The
<typeStatus id="C4236F80FFF4FF95FBFE077BA886E337" box="[1055,1153,1303,1328]" pageId="6" pageNumber="579" type="holotype">holotype</typeStatus>
was found active on the forest floor at night, whereas the
<typeStatus id="C4236F80FFF4FF95FDEA0751AE6CE352" box="[523,619,1341,1365]" pageId="6" pageNumber="579" type="paratype">paratype</typeStatus>
was encountered inactive under a layer of leaf litter (=
<quantity id="DC607CC7FFF4FF95FB320750A91CE353" box="[1235,1307,1340,1364]" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="6" pageNumber="579" unit="cm" value="10.0">10 cm</quantity>
) during the day. Despite of
<taxonomicName id="DC98AAA1FFF4FF95FEB4070DADE5E37F" authorityName="Sandoval-Comte &amp; Pineda &amp; Rovito &amp; Luría-Manzano" authorityYear="2017" box="[341,482,1377,1400]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="6" pageNumber="579" phylum="Chordata" rank="species" species="corrugata">
<emphasis id="29EC0D30FFF4FF95FEB4070DADE5E37F" box="[341,482,1377,1400]" italics="true" pageId="6" pageNumber="579">I. corrugata</emphasis>
</taxonomicName>
has been found only in one locality, it is possible that this species may inhabit additional localities around Cofre de Perote extending to the Sierra Norte de
<collectingRegion id="D95C1FC0FFF4FF95FC1107E8A83BE39A" box="[1008,1084,1412,1437]" country="Mexico" name="Puebla" pageId="6" pageNumber="579">Puebla</collectingRegion>
near Cuetzalan, because a high proportion of the amphibian fauna is shared between these areas.
</paragraph>
<paragraph id="1B27D122FFF4FF95FF2607A0AD79E057" blockId="6.[151,1437,151,1688]" pageId="6" pageNumber="579">
Six species of salamanders have been found in sympatry with
<taxonomicName id="DC98AAA1FFF4FF95FC6A07A0A86FE3E3" authorityName="Sandoval-Comte &amp; Pineda &amp; Rovito &amp; Luría-Manzano" authorityYear="2017" box="[907,1128,1484,1509]" class="Amphibia" family="Plethodontidae" genus="Isthmura" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="6" pageNumber="579" phylum="Chordata" rank="species" species="corrugata">
<emphasis id="29EC0D30FFF4FF95FC6A07A0A86FE3E3" box="[907,1128,1484,1509]" italics="true" pageId="6" pageNumber="579">Isthmura corrugata</emphasis>
</taxonomicName>
:
<taxonomicName id="DC98AAA1FFF4FF95FB9907A0A992E3E2" box="[1144,1429,1484,1509]" class="Amphibia" family="Plethodontidae" genus="Aquiloeurycea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Caudata" pageId="6" pageNumber="579" phylum="Chordata" rank="species" species="cafetalera">
<emphasis id="29EC0D30FFF4FF95FB9907A0A992E3E2" box="[1144,1429,1484,1509]" italics="true" pageId="6" pageNumber="579">Aquiloeurycea cafetalera</emphasis>
</taxonomicName>
,
<taxonomicName id="DC98AAA1FFF4FF95FF760783ADA0E00F" box="[151,423,1519,1544]" class="Amphibia" family="Plethodontidae" genus="Parvimolge" kingdom="Animalia" order="Caudata" pageId="6" pageNumber="579" phylum="Chordata" rank="species" species="townsendi">
<emphasis id="29EC0D30FFF4FF95FF760783ADA0E00F" box="[151,423,1519,1544]" italics="true" pageId="6" pageNumber="579">Parvimolge townsendi</emphasis>
</taxonomicName>
,
<emphasis id="29EC0D30FFF4FF95FE290783A95FE00F" box="[456,1368,1519,1544]" italics="true" pageId="6" pageNumber="579">
<taxonomicName id="DC98AAA1FFF4FF95FE290783AEBEE00F" box="[456,697,1519,1544]" class="Amphibia" family="Plethodontidae" genus="Thorius" kingdom="Animalia" order="Caudata" pageId="6" pageNumber="579" phylum="Chordata" rank="species" species="pennatulus">Thorius pennatulus</taxonomicName>
,
<taxonomicName id="DC98AAA1FFF4FF95FD390783AFE2E00F" box="[728,997,1519,1544]" class="Amphibia" family="Plethodontidae" genus="Pseudoeurycea" kingdom="Animalia" order="Caudata" pageId="6" pageNumber="579" phylum="Chordata" rank="species" species="lynchi">Pseudoeurycea lynchi</taxonomicName>
,
<taxonomicName id="DC98AAA1FFF4FF95FBE40783A95FE00F" box="[1029,1368,1519,1544]" class="Amphibia" family="Plethodontidae" genus="Chiropterotriton" kingdom="Animalia" order="Caudata" pageId="6" pageNumber="579" phylum="Chordata" rank="species" species="chiropterus">Chiropterotriton chiropterus</taxonomicName>
</emphasis>
and
<taxonomicName id="DC98AAA1FFF4FF95FF760478AD57E02A" authorityName="Taylor" authorityYear="1944" box="[151,336,1556,1581]" class="Amphibia" family="Plethodontidae" genus="Chiropterotriton" kingdom="Animalia" order="Caudata" pageId="6" pageNumber="579" phylum="Chordata" rank="genus">
<emphasis id="29EC0D30FFF4FF95FF760478AD57E02A" box="[151,336,1556,1581]" italics="true" pageId="6" pageNumber="579">Chiropterotriton</emphasis>
</taxonomicName>
sp. Most of these species are found in the leaf litter, except for the last three, which also use arboreal bromeliads.
</paragraph>
</subSubSection>
<subSubSection id="538282A9FFF4FF95FF260430AE86E09F" pageId="6" pageNumber="579" type="etymology">
<paragraph id="1B27D122FFF4FF95FF260430AE86E09F" blockId="6.[151,1437,151,1688]" pageId="6" pageNumber="579">
<emphasis id="29EC0D30FFF4FF95FF260430AD49E072" bold="true" box="[199,334,1628,1653]" pageId="6" pageNumber="579">Etymology.</emphasis>
The specific epithet makes reference to the extremely pronounced grooves along the body, giving these salamanders a corrugated appearance.
</paragraph>
</subSubSection>
</treatment>
</document>