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<document id="B76649F8DC32561F58E2C48CCD845683" ID-CLB-Dataset="39195" ID-DOI="10.1111/j.1096-3642.2011.00748.x" ID-GBIF-Dataset="e4a81493-9426-441d-976d-87bd5effad14" ID-Zenodo-Dep="269862" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461396026697" checkinUser="plazi" docAuthor="Robert C. Jadin, Eric N. Smith &amp; Jonathan A. Campbell" docDate="2011" docId="A67F87D0FFABFFCCFE86FC2BFA9FFB97" docLanguage="en" docName="j.1096-3642.2011.00748.x.pdf" docOrigin="Zoological Journal of the Linnean Society 163" docStyle="DocumentStyle:FBF0BF18BB2B256F1F8008F27D80BF37.3:ZoolJLinnSoc.2010-2016.journal_article" docStyleId="FBF0BF18BB2B256F1F8008F27D80BF37" docStyleName="ZoolJLinnSoc.2010-2016.journal_article" docStyleVersion="3" docTitle="Ophryacus" docType="treatment" docVersion="10" lastPageNumber="955" masterDocId="5A46FFA8FFA0FFC0FFCDFF98FFDAFFA2" masterDocTitle="Unravelling a tangle of Mexican serpents: a systematic" masterLastPageNumber="958" masterPageNumber="943" pageNumber="954" updateTime="1698661991953" updateUser="ExternalLinkService">
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<mods:title id="0CA46D1EE5BDBDB87D8E27FC504B8CAE">Unravelling a tangle of Mexican serpents: a systematic</mods:title>
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<mods:namePart id="4B98D7B66D2BF1763C62363A371E07A1">Robert C. Jadin</mods:namePart>
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<mods:namePart id="6B3BA7BB1283F1F3364CE52A3291A2AC">Eric N. Smith</mods:namePart>
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<mods:namePart id="FF99CC4FF95AEE83EC72D0459EDFBFA3">Jonathan A. Campbell</mods:namePart>
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<mods:title id="A0FFA2A305A647ADEB8A514DB0A34998">Zoological Journal of the Linnean Society</mods:title>
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<mods:date id="71400E1BE58CC5F32A490F686A34E513">2011</mods:date>
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<treatment id="A67F87D0FFABFFCCFE86FC2BFA9FFB97" ID-DOI="http://doi.org/10.5281/zenodo.5619356" ID-GBIF-Taxon="119649228" ID-Zenodo-Dep="5619356" LSID="urn:lsid:plazi:treatment:A67F87D0FFABFFCCFE86FC2BFA9FFB97" httpUri="http://treatment.plazi.org/id/A67F87D0FFABFFCCFE86FC2BFA9FFB97" lastPageId="12" lastPageNumber="955" pageId="11" pageNumber="954">
<subSubSection id="66CC654DFFABFFCBFE86FC2BFE1AFBAC" pageId="11" pageNumber="954" type="nomenclature">
<paragraph id="2E6936C6FFABFFCBFE86FC2BFDB9FC6B" blockId="11.[164,643,947,1039]" box="[331,611,947,969]" pageId="11" pageNumber="954">
<taxonomicName id="E9D64D45FFABFFCBFE86FC2BFE09FC6A" box="[331,467,947,968]" class="Reptilia" family="Viperidae" genus="Ophryacus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="954" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFABFFCBFE86FC2BFE09FC6A" bold="true" box="[331,467,947,968]" italics="true" pageId="11" pageNumber="954">OPHRYACUS</emphasis>
</taxonomicName>
COPE, 1887
</paragraph>
<paragraph id="2E6936C6FFABFFCBFF69FC42FE1AFBAC" blockId="11.[164,643,947,1039]" pageId="11" pageNumber="954">
<emphasis id="1CA2EAD4FFABFFCBFF69FC42FDD0FC52" bold="true" box="[164,522,986,1008]" italics="true" pageId="11" pageNumber="954">Type species: Trigonocephalus</emphasis>
[
<taxonomicName id="E9D64D45FFABFFCBFDE8FC42FDA6FC4D" box="[549,636,986,1007]" class="Insecta" family="Liposcelididae" genus="Atropos" higherTaxonomySource="CoL" kingdom="Animalia" order="Psocodea" pageId="11" pageNumber="954" phylum="Arthropoda" rank="genus">
<emphasis id="1CA2EAD4FFABFFCBFDE8FC42FDA6FC4D" bold="true" box="[549,636,986,1007]" italics="true" pageId="11" pageNumber="954">Atropos</emphasis>
</taxonomicName>
] Jan, 1859, by monotypy.
</paragraph>
</subSubSection>
<subSubSection id="66CC654DFFABFFCBFD5BFC42FCD1FC52" box="[662,779,986,1008]" pageId="11" pageNumber="954" type="description">
<paragraph id="2E6936C6FFABFFCBFD5BFC42FCD1FC52" blockId="11.[662,779,986,1008]" box="[662,779,986,1008]" pageId="11" pageNumber="954">
<heading id="752181AAFFABFFCBFD5BFC42FCD1FC52" bold="true" box="[662,779,986,1008]" centered="true" fontSize="9" level="4" pageId="11" pageNumber="954" reason="2">
<taxonomicName id="E9D64D45FFABFFCBFD5BFC42FCD1FC52" box="[662,779,986,1008]" class="Reptilia" family="Viperidae" genus="Ophryacus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="954" phylum="Chordata" rank="species" species="undulatus">
<emphasis id="1CA2EAD4FFABFFCBFD5BFC42FCD1FC52" bold="true" box="[662,779,986,1008]" italics="true" pageId="11" pageNumber="954">undulatus</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="66CC654DFFABFFCBFF69FBAFFD4EFA20" pageId="11" pageNumber="954" type="etymology">
<paragraph id="2E6936C6FFABFFCBFF69FBAFFD94FB0B" blockId="11.[164,779,1079,1193]" pageId="11" pageNumber="954">
<emphasis id="1CA2EAD4FFABFFCBFF69FBAFFEF8FBEF" bold="true" box="[164,290,1079,1101]" italics="true" pageId="11" pageNumber="954">Etymology:</emphasis>
The generic name is derived from the Greek
<emphasis id="1CA2EAD4FFABFFCBFF35FBCEFE9EFBCE" bold="true" box="[248,324,1110,1132]" italics="true" pageId="11" pageNumber="954">ophrys</emphasis>
, meaning brow, and the Latin
<emphasis id="1CA2EAD4FFABFFCBFD1CFBCFFCDEFBCE" bold="true" box="[721,772,1111,1132]" italics="true" pageId="11" pageNumber="954">acus</emphasis>
, meaning pointed, obviously in reference to the distinctive supraocular spine-like scale.
</paragraph>
<paragraph id="2E6936C6FFABFFCBFF69FB4AFD4EFA20" blockId="11.[164,778,1234,1410]" pageId="11" pageNumber="954">
<emphasis id="1CA2EAD4FFABFFCBFF69FB4AFED9FB45" bold="true" box="[164,259,1234,1255]" italics="true" pageId="11" pageNumber="954">Content:</emphasis>
The genus
<taxonomicName id="E9D64D45FFABFFCBFE58FB4AFDCAFB4A" box="[405,528,1234,1256]" class="Reptilia" family="Viperidae" genus="Ophryacus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="954" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFABFFCBFE58FB4AFDCAFB4A" bold="true" box="[405,528,1234,1256]" italics="true" pageId="11" pageNumber="954">Ophryacus</emphasis>
</taxonomicName>
contains only
<taxonomicName id="E9D64D45FFABFFCBFD0EFB4AFF21FAA5" class="Reptilia" family="Viperidae" genus="Ophryacus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="954" phylum="Chordata" rank="species" species="undulatus">
<emphasis id="1CA2EAD4FFABFFCBFD0EFB4AFF21FAA5" bold="true" italics="true" pageId="11" pageNumber="954">O. undulatus</emphasis>
</taxonomicName>
confined to the highlands of the Sierra Madre Oriental (Hidalgo, Veracruz, Puebla), the Mesa del Sur (Oaxaca), and the Sierra Madre del Sur (Oaxaca, Guerrero), where it occurs in pine-oak and cloud forest (Campbell &amp; Lamar, 2004: map 84).
</paragraph>
</subSubSection>
<subSubSection id="66CC654DFFABFFCBFF69FA32FD5FFA63" box="[164,645,1450,1473]" pageId="11" pageNumber="954" type="nomenclature">
<paragraph id="2E6936C6FFABFFCBFF69FA32FD5FFA63" blockId="11.[164,645,1450,1473]" box="[164,645,1450,1473]" pageId="11" pageNumber="954">
<emphasis id="1CA2EAD4FFABFFCBFF69FA32FE82FA62" bold="true" box="[164,344,1450,1472]" italics="true" pageId="11" pageNumber="954">Common name:</emphasis>
Mexican horned pitviper.
</paragraph>
</subSubSection>
<subSubSection id="66CC654DFFABFFCBFF69FA71FB92F99F" pageId="11" pageNumber="954" type="diagnosis">
<paragraph id="2E6936C6FFABFFCBFF69FA71FBF0FD67" blockId="11.[164,779,1513,1903]" lastBlockId="11.[826,1441,198,1597]" pageId="11" pageNumber="954">
<emphasis id="1CA2EAD4FFABFFCBFF69FA71FE12FA5D" bold="true" box="[164,456,1513,1535]" italics="true" pageId="11" pageNumber="954">Definition and diagnosis:</emphasis>
Rostral broader than high, moderately to distinctly concave; three preoculars, upper largest and undivided, middle not fused with supralacunal, lower small, somewhat excluded from margin of orbit; three to four supraoculars along dorsal margin of eye including supraocular spine; ten to 13 supralabials; lip margin not scalloped; nine to 14 infralabials; single scale above eye forming long, relatively slender spine, slightly compressed to subcircular in cross section, not occupying most of dorsal margin of orbit, tip pointed; adjacent scales along dorsal ocular margin often also modified, projecting slightly; canthals and internasals often raised into short spines or with especially high keels; scales in the supraocular region small and keeled; ten to 20 (usually 1218) intersupraoculars; top of head covered with small scales, most having tubercular keels; second supralabial usually separated from prelacunal by single small subfoveal; subocular and supralabial series separated by two to four rows of small, roundish scales; 21 mid-dorsal scale rows; middorsals at midbody not noticeably broad, obtusely rounded; keel generally extending to tip of scale or nearly so, apical pits not apparent; free portion of apex of dorsal scales moderate in extent, barely overlapping contiguous scale; interstitial epidermal fold at cranial end of scale well developed; 157178 ventrals; 3757 subcaudals, divided; tail spine straight, about as long as preceding two to three subcaudals, pointed or obtusely rounded.
</paragraph>
<paragraph id="2E6936C6FFABFFCBFC9EFD56FABDFA60" blockId="11.[826,1441,198,1597]" pageId="11" pageNumber="954">Frontal bones with concave dorsal surface, strongly elevated margins, moderately longer than wide; postfrontals moderate in size, not contacting frontal, comprising about equal amount of dorsal perimeter of orbit as parietals; posterolateral edges of dorsal surface of parietals forming distinct flat shelf continuing onto parietal as a raised ridge; junction between parietal and pro-otic irregular, not particularly angular; anterior portion of ectopterygoid possessing a shallow depression on medial side accommodating attachment of ectopterygoid retractor muscle; ectopterygoid noticeably longer than expanded, flattened base of pterygoid (posterior to articulation with ectopterygoid) with flat shaft tapering posteriorly; apex of choanal process positioned at about midlength on palatine, process moderately reduced in height, apex broadly rounded; dorsal surface of parietal roughly triangular; zero to one (usually zero) palatine teeth, seven to ten pterygoid teeth, seven to nine dentary teeth; pterygoid teeth extending to level of articulation of pterygoid with ectopterygoid; maxillary fang relatively short, only slightly longer than height of maxilla; fang at rest extending to level of suture between supralabials 7 and 8; splenial and angular bones fused; haemapophyses in contact distally.</paragraph>
<paragraph id="2E6936C6FFABFFCBFC9EFA53FB92F99F" blockId="11.[826,1441,198,1597]" pageId="11" pageNumber="954">Dorsum with zig-zag pattern; ground colour olivebrown, green, or grey, sometimes orange or yellow pigment present; dorsal scales usually finely mottled or speckled with black.</paragraph>
</subSubSection>
<subSubSection id="66CC654DFFABFFCCFC8DF9E3FCB2FCFC" lastPageId="12" lastPageNumber="955" pageId="11" pageNumber="954" type="biology_ecology">
<paragraph id="2E6936C6FFABFFCBFC8DF9E3FA41F92D" blockId="11.[826,1441,1659,1903]" box="[832,1435,1659,1680]" pageId="11" pageNumber="954">
<heading id="752181AAFFABFFCBFC8DF9E3FA41F92D" allCaps="true" box="[832,1435,1659,1680]" centered="true" fontSize="8" level="6" pageId="11" pageNumber="954" reason="5">
NATURAL HISTORY OF
<taxonomicName id="E9D64D45FFABFFCBFB88F9E3FB01F92D" box="[1093,1243,1659,1680]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFABFFCBFB88F9E3FB01F92D" bold="true" box="[1093,1243,1659,1680]" italics="true" pageId="11" pageNumber="954">M. BARBOURI</emphasis>
</taxonomicName>
AND
<taxonomicName id="E9D64D45FFABFFCBFAD0F9E3FA41F92D" box="[1309,1435,1659,1680]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFABFFCBFAD0F9E3FA41F92D" bold="true" box="[1309,1435,1659,1680]" italics="true" pageId="11" pageNumber="954">M. BROWNI</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="2E6936C6FFABFFCCFCF7F939FE1BFDC8" blockId="11.[826,1441,1659,1903]" lastBlockId="12.[144,759,198,1903]" lastPageId="12" lastPageNumber="955" pageId="11" pageNumber="954">
Similar to
<taxonomicName id="E9D64D45FFABFFCBFC75F939FBE9F915" box="[952,1075,1697,1719]" class="Reptilia" family="Viperidae" genus="Ophryacus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="954" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFABFFCBFC75F939FBE9F915" bold="true" box="[952,1075,1697,1719]" italics="true" pageId="11" pageNumber="954">Ophryacus</emphasis>
</taxonomicName>
,
<taxonomicName id="E9D64D45FFABFFCBFB8FF939FB64F915" box="[1090,1214,1697,1719]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="954" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFABFFCBFB8FF939FB64F915" bold="true" box="[1090,1214,1697,1719]" italics="true" pageId="11" pageNumber="954">Mixcoatlus</emphasis>
</taxonomicName>
is a pitviper genus endemic to the highlands of southern Mexico.
<taxonomicName id="E9D64D45FFABFFCBFAA0F958FC50F956" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="954" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFABFFCBFAA0F958FC50F956" bold="true" italics="true" pageId="11" pageNumber="954">Mixcoatlus</emphasis>
</taxonomicName>
appears to be found only in the western portion of the Sierra Madre del Sur of Guerrero (
<taxonomicName id="E9D64D45FFABFFCBFC8FF884FC10F893" box="[834,970,1819,1841]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="954" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFABFFCBFC8FF884FC10F893" bold="true" box="[834,970,1819,1841]" italics="true" pageId="11" pageNumber="954">M. barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFABFFCBFBEBF884FB40F893" box="[1062,1178,1819,1841]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="954" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFABFFCBFBEBF884FB40F893" bold="true" box="[1062,1178,1819,1841]" italics="true" pageId="11" pageNumber="954">M. browni</emphasis>
</taxonomicName>
) and north-western Oaxaca and south-eastern Puebla (
<taxonomicName id="E9D64D45FFABFFCBFB3EF8A3FA48F8F2" box="[1267,1426,1850,1872]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="11" pageNumber="954" phylum="Chordata" rank="species" species="melanurus">
<emphasis id="1CA2EAD4FFABFFCBFB3EF8A3FA48F8F2" bold="true" box="[1267,1426,1850,1872]" italics="true" pageId="11" pageNumber="954">M. melanurus</emphasis>
</taxonomicName>
), making it the most restricted genus of New World pitviper (
<figureCitation id="B6ED2A43FFACFFCCFF33FF5EFEE5FF7E" box="[254,319,198,220]" captionStart="Figure 6" captionStartId="9.[164,243,1084,1103]" captionTargetBox="[164,1444,197,1054]" captionTargetId="figure@9.[164,1445,197,1055]" captionTargetPageId="9" captionText="Figure 6. Distribution map of Mixcoatlus barbouri and Mixcoatlus browni." httpUri="https://zenodo.org/record/269867/files/figure.png" pageId="12" pageNumber="955">Fig. 6</figureCitation>
and map 83 in Campbell &amp; Lamar, 2004, respectively).
<taxonomicName id="E9D64D45FFACFFCCFE65FF7CFD73FF58" box="[424,681,228,250]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFE65FF7CFD73FF58" bold="true" box="[424,681,228,250]" italics="true" pageId="12" pageNumber="955">Mixcoatlus barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFF5DFE9BFEDEFEBB" box="[144,260,259,281]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFF5DFE9BFEDEFEBB" bold="true" box="[144,260,259,281]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
are probably sympatric throughout much of their ranges, possess the same type locality (Omilteme, Guerrero), and have been found near each other in the western part of their ranges. Additionally,
<taxonomicName id="E9D64D45FFACFFCCFF5DFEE5FDEFFE31" box="[144,565,381,403]" class="Reptilia" family="Viperidae" genus="Crotalus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="subSpecies" species="intermedius" subSpecies="omiltemanus">
<emphasis id="1CA2EAD4FFACFFCCFF5DFEE5FDEFFE31" bold="true" box="[144,565,381,403]" italics="true" pageId="12" pageNumber="955">
Crotalus
<taxonomicName id="E9D64D45FFACFFCCFECBFEE5FE54FE31" box="[262,398,381,403]" pageId="12" pageNumber="955" rank="species" species="intermedius">intermedius</taxonomicName>
omiltemanus
</emphasis>
</taxonomicName>
,
<taxonomicName id="E9D64D45FFACFFCCFD9CFEE5FD6AFE31" box="[593,688,381,403]" class="Reptilia" family="Viperidae" genus="Crotalus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="ravus">
<emphasis id="1CA2EAD4FFACFFCCFD9CFEE5FD6AFE31" bold="true" box="[593,688,381,403]" italics="true" pageId="12" pageNumber="955">C. ravus</emphasis>
</taxonomicName>
, and
<taxonomicName id="E9D64D45FFACFFCCFF5DFE04FEFFFE10" box="[144,293,412,434]" class="Reptilia" family="Viperidae" genus="Ophryacus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="undulatus">
<emphasis id="1CA2EAD4FFACFFCCFF5DFE04FEFFFE10" bold="true" box="[144,293,412,434]" italics="true" pageId="12" pageNumber="955">O. undulatus</emphasis>
</taxonomicName>
have also been found near Omilteme and other highland areas in Guerrero, making their sympatry with
<taxonomicName id="E9D64D45FFACFFCCFE9BFE42FE04FE4D" box="[342,478,473,495]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFE9BFE42FE04FE4D" bold="true" box="[342,478,473,495]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFDE2FE42FD79FE4D" box="[559,675,473,495]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFDE2FE42FD79FE4D" bold="true" box="[559,675,473,495]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
likely (Davis &amp; Dixon, 1959; Campbell &amp; Lamar, 2004). The highest confirmed elevation records for
<taxonomicName id="E9D64D45FFACFFCCFDA2FD8FFD2DFD8E" box="[623,759,534,556]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFDA2FD8FFD2DFD8E" bold="true" box="[623,759,534,556]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFF0FFDADFEECFDE9" box="[194,310,565,587]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFF0FFDADFEECFDE9" bold="true" box="[194,310,565,587]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
are 2608 m (MZFC 21432) and 3296 m (KU 182762), respectively.
</paragraph>
<paragraph id="2E6936C6FFACFFCCFF65FDEAFD66FB32" blockId="12.[144,759,198,1903]" pageId="12" pageNumber="955">
Campbell (1988) provides a detailed description of
<taxonomicName id="E9D64D45FFACFFCCFF5DFD09FEC2FD04" box="[144,280,656,678]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFF5DFD09FEC2FD04" bold="true" box="[144,280,656,678]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFEABFD09FE00FD04" box="[358,474,656,678]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFEABFD09FE00FD04" bold="true" box="[358,474,656,678]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
habitat in the Sierra Madre del Sur and states that the higher elevations are dominated by pine-oak forest and cloud forest. Although it has been suggested that
<taxonomicName id="E9D64D45FFACFFCCFDF6FD75FD19FCA0" box="[571,707,748,770]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFDF6FD75FD19FCA0" bold="true" box="[571,707,748,770]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFF5DFC94FEDEFC83" box="[144,260,779,801]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFF5DFC94FEDEFC83" bold="true" box="[144,260,779,801]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
inhabited cloud forest almost exclusively, observations of this species at lower elevations (Davis &amp; Dixon, 1959; Campbell, 1988; this study) suggest that these species also occurs in upper pine-oak forest where it interdigitates with cloud forest. Additionally, two individuals of
<taxonomicName id="E9D64D45FFACFFCCFEBCFC3DFE3FFC18" box="[369,485,932,954]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFEBCFC3DFE3FFC18" bold="true" box="[369,485,932,954]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
, one found in fir-pineoak forest (UTA R-4450) and the other in bunchgrass on the sparsely wooded southern slope of Cerro Teotepec (KU R-182762), suggests that this species at least inhabits several recognizable vegetation associations (Campbell, 1988: 8). Campbell (1988) also provides an investigation of the locality records for most of the specimens of
<taxonomicName id="E9D64D45FFACFFCCFEB7FBE3FDD8FB32" box="[378,514,1146,1168]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFEB7FBE3FDD8FB32" bold="true" box="[378,514,1146,1168]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFD8DFBE3FD6EFB32" box="[576,692,1146,1168]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFD8DFBE3FD6EFB32" bold="true" box="[576,692,1146,1168]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="2E6936C6FFACFFCCFF65FB01FE73F99F" blockId="12.[144,759,198,1903]" pageId="12" pageNumber="955">
Both
<taxonomicName id="E9D64D45FFACFFCCFF21FB01FEAEFB0D" box="[236,372,1177,1199]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFF21FB01FEAEFB0D" bold="true" box="[236,372,1177,1199]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFE75FB01FDF6FB0D" box="[440,556,1177,1199]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFE75FB01FDF6FB0D" bold="true" box="[440,556,1177,1199]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
are diurnal and are usually found basking, under cover, or moving during the day. While photographing a live
<taxonomicName id="E9D64D45FFACFFCCFF5DFB6DFEDEFAA8" box="[144,260,1268,1290]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFF5DFB6DFEDEFAA8" bold="true" box="[144,260,1268,1290]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
, R. C. J. and E. N. S. observed an individual wrapping its tail around the hook to prevent falling (e.g.
<figureCitation id="B6ED2A43FFACFFCCFEE8FAAAFEB2FAEA" box="[293,360,1330,1352]" captionStart="Figure 4" captionStartId="6.[144,223,1419,1438]" captionTargetBox="[144,760,779,1389]" captionTargetId="figure@6.[144,760,779,1389]" captionTargetPageId="6" captionText="Figure 4. Sulcate (left) and asulcate (right) views of the left hemipenis of: A, Agkistrodon browni (UTA R- 4450) and B, Cerrophidion barbouri (MZFC 2881). Scale bars = 3 mm." httpUri="https://zenodo.org/record/3227566/files/figure.png" pageId="12" pageNumber="955">Fig. 4</figureCitation>
). This same behaviour was also observed in the field in two other individuals. Although its tail is more prehensile than such terrestrial genera as
<taxonomicName id="E9D64D45FFACFFCCFE8DFA15FE0DFA01" box="[320,471,1421,1443]" class="Reptilia" family="Viperidae" genus="Cerrophidion" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFACFFCCFE8DFA15FE0DFA01" bold="true" box="[320,471,1421,1443]" italics="true" pageId="12" pageNumber="955">Cerrophidion</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFDDCFA15FD50FA01" box="[529,650,1421,1443]" class="Reptilia" family="Viperidae" genus="Atropoides" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFACFFCCFDDCFA15FD50FA01" bold="true" box="[529,650,1421,1443]" italics="true" pageId="12" pageNumber="955">Atropoides</emphasis>
</taxonomicName>
, we have no compelling evidence that
<taxonomicName id="E9D64D45FFACFFCCFE1BFA35FD90FA60" box="[470,586,1452,1474]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFE1BFA35FD90FA60" bold="true" box="[470,586,1452,1474]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
is highly arboreal. It does ascend into low vegetation; J. A. C. observed one specimen coiled on top of a stump about 1.5 m above the ground and another in a low, woody shrub about 1.0 m high.
</paragraph>
<paragraph id="2E6936C6FFACFFCCFF65F9DEFCB2FCFC" blockId="12.[144,759,198,1903]" lastBlockId="12.[806,1421,197,1077]" pageId="12" pageNumber="955">
Few
<taxonomicName id="E9D64D45FFACFFCCFF2FF9DEFEB0F9F9" box="[226,362,1605,1627]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFF2FF9DEFEB0F9F9" bold="true" box="[226,362,1605,1627]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFE6AF9DEFDC1F9F9" box="[423,539,1605,1627]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFE6AF9DEFDC1F9F9" bold="true" box="[423,539,1605,1627]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
have been kept in captivity. One specimen of
<taxonomicName id="E9D64D45FFACFFCCFE72F9FCFD9DF9D8" box="[447,583,1636,1658]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFE72F9FCFD9DF9D8" bold="true" box="[447,583,1636,1658]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
(UTA R-15558) was kept for more than ten years (Campbell, 1988). An adult
<taxonomicName id="E9D64D45FFACFFCCFED0F93AFE7FF915" box="[285,421,1697,1719]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFED0F93AFE7FF915" bold="true" box="[285,421,1697,1719]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
(MZFC 21432) and two
<taxonomicName id="E9D64D45FFACFFCCFF5DF958FEDEF977" box="[144,260,1727,1749]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFF5DF958FEDEF977" bold="true" box="[144,260,1727,1749]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
(MZFC 21431 &amp; UTA R-56265) were kept in captivity for several months. The
<taxonomicName id="E9D64D45FFACFFCCFDF4F947FD1BF956" box="[569,705,1758,1780]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFDF4F947FD1BF956" bold="true" box="[569,705,1758,1780]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
was quite active and readily ate domestic white mice, whereas one adult (MZFC 21431) and one juvenile (UTA R-56265)
<taxonomicName id="E9D64D45FFACFFCCFE84F8A3FE67F8F2" box="[329,445,1850,1872]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFE84F8A3FE67F8F2" bold="true" box="[329,445,1850,1872]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
required force feeding (A. Carbajal, pers. comm.). Specimens and scats of both
<taxonomicName id="E9D64D45FFACFFCCFCEBFF5EFC74FF79" box="[806,942,197,219]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFCEBFF5EFC74FF79" bold="true" box="[806,942,197,219]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFC34FF5EFBB7FF79" box="[1017,1133,197,219]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFC34FF5EFBB7FF79" bold="true" box="[1017,1133,197,219]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
have contained rodent hair as well as the lizard
<taxonomicName id="E9D64D45FFACFFCCFB85FF7CFCB2FEBB" authority="(Campbell, 1988)" authorityName="Campbell" authorityYear="1988" baseAuthorityName="Campbell" baseAuthorityYear="1988" class="Reptilia" family="Anguidae" genus="Mesaspis" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="gadovii">
<emphasis id="1CA2EAD4FFACFFCCFB85FF7CFAD0FF58" bold="true" box="[1096,1290,228,250]" italics="true" pageId="12" pageNumber="955">Mesaspis gadovii</emphasis>
(Campbell, 1988)
</taxonomicName>
.
<taxonomicName id="E9D64D45FFACFFCCFCBBFE9BFBE6FEBB" box="[886,1084,259,281]" class="Reptilia" family="Anguidae" genus="Mesaspis" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="gadovii">
<emphasis id="1CA2EAD4FFACFFCCFCBBFE9BFBE6FEBB" bold="true" box="[886,1084,259,281]" italics="true" pageId="12" pageNumber="955">Mesaspis gadovii</emphasis>
</taxonomicName>
probably constitutes a large portion of the diet for these two pitvipers because of the great abundance of this lizard (Campbell, 1988). Two specimens of
<taxonomicName id="E9D64D45FFACFFCCFBCBFEC7FBA0FED6" box="[1030,1146,350,372]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFBCBFEC7FBA0FED6" bold="true" box="[1030,1146,350,372]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
(MZFC 21431 &amp; UTA R-56264) were captured within a few metres of
<emphasis id="1CA2EAD4FFACFFCCFCEBFE04FC70FE10" bold="true" box="[806,938,412,434]" italics="true" pageId="12" pageNumber="955">
Me.
<taxonomicName id="E9D64D45FFACFFCCFC9BFE04FC70FE10" box="[854,938,412,434]" class="Reptilia" family="Anguidae" genus="Mesaspis" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="gadovii">gadovii</taxonomicName>
</emphasis>
. Although only a few diet items have been identified, the diet of
<taxonomicName id="E9D64D45FFACFFCCFB95FE23FB3AFE72" box="[1112,1248,442,464]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFB95FE23FB3AFE72" bold="true" box="[1112,1248,442,464]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFAD4FE23FA57FE72" box="[1305,1421,442,464]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFAD4FE23FA57FE72" bold="true" box="[1305,1421,442,464]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
probably includes lizards, orthopterans, and mammals, similar to that of
<taxonomicName id="E9D64D45FFACFFCCFB5CFE6FFAF2FDAF" box="[1169,1320,503,525]" class="Reptilia" family="Viperidae" genus="Cerrophidion" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFACFFCCFB5CFE6FFAF2FDAF" bold="true" box="[1169,1320,503,525]" italics="true" pageId="12" pageNumber="955">Cerrophidion</emphasis>
</taxonomicName>
species, with less of their diet consisting of birds and amphibians (Campbell, 1988; Campbell &amp; Solórzano, 1992; Campbell &amp; Lamar, 2004; Jadin, 2007, 2010).
<taxonomicName id="E9D64D45FFACFFCCFA92FDCCFC12FD2A" class="Reptilia" family="Phrynosomatidae" genus="Sceloporus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="adleri">
<emphasis id="1CA2EAD4FFACFFCCFA92FDCCFC12FD2A" bold="true" italics="true" pageId="12" pageNumber="955">Sceloporus adleri</emphasis>
</taxonomicName>
is abundant at these high elevations, representing another potential prey item. Many specimens of
<taxonomicName id="E9D64D45FFACFFCCFC44FD37FC38FD67" box="[905,994,687,709]" class="Amphibia" family="Plethodontidae" genus="Thorius" kingdom="Animalia" order="Caudata" pageId="12" pageNumber="955" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFACFFCCFC44FD37FC38FD67" bold="true" box="[905,994,687,709]" italics="true" pageId="12" pageNumber="955">Thorius</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFBD3FD37FB1EFD67" box="[1054,1220,687,709]" class="Amphibia" family="Plethodontidae" genus="Pseudoeurycea" kingdom="Animalia" order="Caudata" pageId="12" pageNumber="955" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFACFFCCFBD3FD37FB1EFD67" bold="true" box="[1054,1220,687,709]" italics="true" pageId="12" pageNumber="955">Pseudoeurycea</emphasis>
</taxonomicName>
were collected in the vicinity of
<taxonomicName id="E9D64D45FFACFFCCFC1CFD56FB9FFD46" box="[977,1093,718,740]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFC1CFD56FB9FFD46" bold="true" box="[977,1093,718,740]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
. A plethodontid salamander was found in the stomach of
<taxonomicName id="E9D64D45FFACFFCCFBA1FD74FA57FC83" authority="Lopez-Luna, Vogt &amp; de la Torre-Loranca, 1999" authorityName="Lopez-Luna, Vogt &amp; de la Torre-Loranca" authorityYear="1999" class="Reptilia" family="Viperidae" genus="Cerrophidion" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="petlalcalensis">
<emphasis id="1CA2EAD4FFACFFCCFBA1FD74FAD9FCA0" bold="true" box="[1132,1283,748,770]" italics="true" pageId="12" pageNumber="955">Cerrophidion</emphasis>
<taxonomicName id="E9D64D45FFACFFCCFAC4FD74FC9EFC82" pageId="12" pageNumber="955" rank="species" species="petlalcalensis">
<emphasis id="1CA2EAD4FFACFFCCFAC4FD74FC9EFC82" bold="true" italics="true" pageId="12" pageNumber="955">petlalcalensis</emphasis>
</taxonomicName>
(López-Luna, Vogt &amp; de la Torre-Loranca, 1999)
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFC92FCB2FC3DFC9D" box="[863,999,809,831]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFC92FCB2FC3DFC9D" bold="true" box="[863,999,809,831]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
and
<taxonomicName id="E9D64D45FFACFFCCFBE3FCB2FB78FC9D" box="[1070,1186,809,831]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFBE3FCB2FB78FC9D" bold="true" box="[1070,1186,809,831]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
may also consume them.
</paragraph>
</subSubSection>
<subSubSection id="66CC654DFFACFFCCFCF2FCFFFA9FFB97" pageId="12" pageNumber="955" type="discussion">
<paragraph id="2E6936C6FFACFFCCFCF2FCFFFA9FFB97" blockId="12.[806,1421,197,1077]" pageId="12" pageNumber="955">
Of the 32 specimens of
<emphasis id="1CA2EAD4FFACFFCCFB8BFCFFFBBEFCDE" bold="true" box="[1094,1124,871,892]" italics="true" pageId="12" pageNumber="955">M.</emphasis>
[
<taxonomicName id="E9D64D45FFACFFCCFBBEFCFFFB27FCDF" box="[1139,1277,871,893]" class="Reptilia" family="Viperidae" genus="Agkistrodon" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFACFFCCFBBEFCFFFB27FCDF" bold="true" box="[1139,1277,871,893]" italics="true" pageId="12" pageNumber="955">Agkistrodon</emphasis>
</taxonomicName>
]
<taxonomicName id="E9D64D45FFACFFCCFAC1FCFFFA81FCDF" box="[1292,1371,871,893]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFAC1FCFFFA81FCDF" bold="true" box="[1292,1371,871,893]" italics="true" pageId="12" pageNumber="955">browni</emphasis>
</taxonomicName>
and
<emphasis id="1CA2EAD4FFACFFCCFCEBFC1EFC9EFC39" bold="true" box="[806,836,902,923]" italics="true" pageId="12" pageNumber="955">M.</emphasis>
[
<taxonomicName id="E9D64D45FFACFFCCFC9EFC1DFC30FC39" box="[851,1002,901,923]" class="Reptilia" family="Viperidae" genus="Cerrophidion" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="genus">
<emphasis id="1CA2EAD4FFACFFCCFC9EFC1DFC30FC39" bold="true" box="[851,1002,901,923]" italics="true" pageId="12" pageNumber="955">Cerrophidion</emphasis>
</taxonomicName>
]
<taxonomicName id="E9D64D45FFACFFCCFC34FC1DFB86FC39" box="[1017,1116,901,923]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFC34FC1DFB86FC39" bold="true" box="[1017,1116,901,923]" italics="true" pageId="12" pageNumber="955">barbouri</emphasis>
</taxonomicName>
examined in this study, 15 were
<taxonomicName id="E9D64D45FFACFFCCFCA8FC3DFC37FC18" box="[869,1005,932,954]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="barbouri">
<emphasis id="1CA2EAD4FFACFFCCFCA8FC3DFC37FC18" bold="true" box="[869,1005,932,954]" italics="true" pageId="12" pageNumber="955">M. barbouri</emphasis>
</taxonomicName>
and the other 17 specimens allocatable to
<taxonomicName id="E9D64D45FFACFFCCFC4EFC5BFC2DFC7A" box="[899,1015,962,984]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFC4EFC5BFC2DFC7A" bold="true" box="[899,1015,962,984]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
(see Appendix S1 for details). We are aware of only three museum specimens not examined by us: MZFC 2880 and 2882 and a recently collected
<taxonomicName id="E9D64D45FFACFFCCFC5FFB87FBDCFB96" box="[914,1030,1054,1076]" class="Reptilia" family="Viperidae" genus="Mixcoatlus" kingdom="Animalia" order="Squamata" pageId="12" pageNumber="955" phylum="Chordata" rank="species" species="browni">
<emphasis id="1CA2EAD4FFACFFCCFC5FFB87FBDCFB96" bold="true" box="[914,1030,1054,1076]" italics="true" pageId="12" pageNumber="955">M. browni</emphasis>
</taxonomicName>
(field number JAC 27714).
</paragraph>
</subSubSection>
</treatment>
</document>