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Geophis cansecoi GRÜNWALD, AHUMADA-CARRILLO, GRÜNWALD, MONTAÑO-RUVALCABA & GARCÍA-VÁZQUEZ, 2021

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymGeophis cansecoi GRÜNWALD, AHUMADA-CARRILLO, GRÜNWALD, MONTAÑO-RUVALCABA & GARCÍA-VÁZQUEZ 2021 
DistributionMexico (Veracruz : northern slopes of the Sierra de Misantla,between the cities of Misantla and Xalapa).

Type locality: 0.9 km south of Los Capulines, on Misantla-Chiconquiaco Hwy., Municipio de Yecuatla, (19.811724°, -96.824587°, datum WGS84, 1,590 m asl), Veracruz, Mexico.  
Reproduction 
TypesHolotype: MZFZ 4432, adult male, collected by Christoph I. Grünwald, André J. Grünwald, and Iván T. Ahumada-Carrillo on June 5, 2017
Paratypes: (n=14) MZFZ 4433 (CIG 01162). Adult, DOR, collected at 1.1 km south of Los Capulines, on Misantla-Chiconquiaco Hwy., Municipio de Yecuatla, (19.810740°, -96.824874°, datum WGS84, 1,626 m asl), Veracruz, Mexico, on 6 June 2017 by Christoph I. Grünwald, Iván T. Ahumada-Carrillo, and André J. Grünwald. MZFZ 4434–35 (CIG 01378–79), MZFZ 4436–38 (CIG 01393–95), INIRENA 2811–14 (CIG 01396–99), MZFZ 4448–49 (CIG 01490–91). Adults and juveniles, collected at Los Capulines, on Misantla-Chiconquiaco Hwy., Municipio de Yecuatla, (19.813360°, -96.827240°, datum WGS84, 1,570 m asl), Veracruz, Mexico, on 8 June 2019 by Christoph I. Grünwald, André J. Grünwald, and Carlos E. MontañoRuvalcaba. INIRENA 2815–16 (CIG 01386–87). Adults, collected at 3.7 km S of Los Capulines, on MisantlaChiconquiaco Hwy., Municipio de Chinconquiaco, (19.793370°, -96.822970°, datum WGS84, 1,763 m asl), Veracruz, Mexico, on 8 June 2019 by Christoph I. Grünwald, André J. Grünwald, and Carlos E. Montaño-Ruvalcaba 
DiagnosisDiagnosis: “A member of the Geophis dubius group, as defned by Downs (1967) and expanded by Wilson and Townsend (2007), and characterized by the following combination of traits: eye relatively small; single supraocular and postocular present on each side (with one exception, see below); no anterior temporal scale, penultimate supralabial and parietal in contact; second infralabials small, broadly separated from each other; mental scale and anterior chinshields in contact; smooth dorsal scales throughout the body arranged in 17 rows;
ventrals 134–142 in females (n = 7), and 125–131 in males (n = 7); subcaudals 28–35 in females (n = 7), and 34–37 in males (n = 7), with ventral + subcaudal totals 163–173 in females (n = 7) and 159–165 in males (n = 7); tail length 11.6–16.3% of TotL in females, 16.7–19.0% of TotL in males; dorsal pattern slate gray, with crimson red lateral stripe on each side, usually on frst three or four scale rows but occasionally occupying part of the ffth; venter pale cream, except on the ventral surfaces of the head and throat, which are gray; maxillary teeth 6–8.” 
Comment 
EtymologyThe specifc epithet honors to Luis Canseco-Márquez, a Mexican herpetologist who has dedicated a portion of his career to the study of snakes of the genus Geophis. 
References
  • Grünwald CI, Ahumada-Carrillo IT, Grünwald AJ, Montaño-Ruvalcaba CE, García-Vázquez UO. 2021. A new species of Geophis (Dipsadidae) from Veracruz, Mexico, with comments on the validity of related taxa. Amphibian & Reptile Conservation 15(2) [Taxonomy Section]: 289–310 (e294) - get paper here
 
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