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Geophis carinosus STUART, 1941

IUCN Red List - Geophis carinosus - Least Concern, LC
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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Keeled Earth Snake
S: Minadora Carinada 
SynonymGeophis carinosus STUART 1941
Geophis carinosus — VILLA et al. 1988
Geophis carinosus — LINER 1994
Geophis carinosus — NIETO-MONTES DE OCA 2003
Geophis carinosus — WILSON & TOWNSEND 2007: 7
Geophis carinosus — WALLACH et al. 2014: 301 
DistributionSE Mexico (Oaxaca, Veracruz: Sierra de los Tuxtlas, adjacent Chiapas), Guatemala (Sierra de los Cuchamatanes in El Quiché and Huehuetenango)

Type locality: Finca San Francisco, 27 km northeast of Nebaj, El Quiché, Guatemala, ca. 1175 m elevation.  
Reproductionoviparous 
TypesHolotype: UMMZ 89082, adult male 
DiagnosisDIAGNOSIS. A Geophis with 17 rows of heavily keeled dorsal scales on the body ancl tail, 6 supralabials, 120 abdominals, and 44 subcaudals. Slaty brown above;undersurfaces cream color, each abdominal scute with a dark brown anterior border. Distinguished from G. nasalis (Cope) as defined by Smith [1941] by the presence of keels on all dorsal scales of the tail and from G. sieboldii (Jan) by this same character and by fewer abdominal scutes [from STUART 1941].


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CommentNot listed in PETERS & OREJAS-MIRANDA 1970.

Distribution: see map in CANSECO-MÁRQUEZ et al. 2016: 133 (Fig. 1). Not in Yucatan state (Mexico), fide Gonzalez-Sanchez et al. 2017. 
EtymologyNamed after Latin carina, keel, ridge + Latin -osus, full of. [“...A Geophis with 17 rows of heavily keeled dorsal scales on the body ancl tail,...”]. 
References
  • Aguilar-López JL, Luría-Manzano R, Pineda E, Canseco-Márquez L 2021. Selva Zoque, Mexico: an important Mesoamerican tropical region for reptile species diversity and conservation. ZooKeys 1054: 127-153 - get paper here
  • Canseco-Márquez L, Pavón-Vázquez CJ, López-Luna MA, Nieto-Montes de Oca A 2016. A new species of earth snake (Dipsadidae, Geophis) from Mexico. ZooKeys 610: 131-145. doi: 10.3897/zookeys.610.8605 - get paper here
  • Casas-Andreu, G., F.R. Méndez-De la Cruz and X. Aguilar-Miguel. 2004. Anfibios y Reptiles; pp. 375–390, in A.J.M. García-Mendoza, J. Ordoñez and M. Briones-Salas (ed.). Biodiversidad de Oaxaca. Instituto de Biología, UNAM-Fondo Oaxaqueño para la Conservación de la Naturaleza-World Wildlife Fund, México, D. F.
  • Downs, F. L. 1967. lntrageneric relations among colubrid snakes of the genus Geophis Wagler. Misc. Publ. Mus. Zool. Univ. Michigan 131: 1-193. - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Johnson, Jerry D.; Vicente Mata-Silva, Elí García Padilla, and Larry David Wilson 2015. The Herpetofauna of Chiapas, Mexico: composition, distribution, and conservation. Mesoamerican Herpetology 2 (3): 272–329. - get paper here
  • Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp.
  • Lee, J. C. 2000. A field guide to the amphibians and reptiles of the Maya world. Cornell University Press, Ithaca,
  • Lee, J.C. 1996. The amphibians and reptiles of the Yucatán Peninsula. Comstock, Cornell University Press, Ithaca, 500 pp.
  • Mata-Silva, Vicente, Jerry D. Johnson, Larry David Wilson and Elí García-Padilla. 2015. The herpetofauna of Oaxaca, Mexico: composition, physiographic distribution, and conservation status. Mesoamerican Herpetology 2 (1): 6–62 - get paper here
  • Muñoz-Alonso, Luis Antonio; Jorge Nieblas-Camacho,<br>Marina Alba Chau-Cortez, Alondra Berenice González-Navarro, Jaime López-Pérez & Juan Pérez-López 2017. Diversidad de anfibios y reptiles en la Reservade la Biosfera Selva El Ocote: su vulnerabilidad ante la fragmentación y el cambio climático. In: Lorena Ruiz-Montoya et al. (eds), Vulnerabilidad social y biológica ante el cambio climático en la Re El Colegio de la Frontera Sur, pp.395-448 - get paper here
  • Nieto-Montes de Oca, A. 2003. A NEW SPECIES OF THE GEOPHIS DUBIUS GROUP (SQUAMATA: COLUBRIDAE) FROM THE SIERRA DE JUÁREZ OF OAXACA, MEXICO. Herpetologica 59 (4): 572-585 - get paper here
  • Smith, Hobart M. 1941. Notes on Mexican snakes of the genus Geophis. Smithsonian Miscellaneous Collections 99 (19): 1-6 - get paper here
  • Stuart,L.C. 1941. Some new snakes from Guatemala. Occ. Pap. Mus. Zool., Univ. Michigan (No. 452): 1-7 - get paper here
  • Torres-Hernández, LA, Ramírez-Bautista A, Cruz-Elizalde R, Hernández-Salinas U, Berriozabal-Islas C, DeSantis DL, Johnson JD, Rocha A, García-Padilla E, Mata-Silva V, Fucsko LA, and Wilson LD. 2021. The herpetofauna of Veracruz, Mexico: composition, distribution, and conservation status. Amphibian & Reptile Conservation 15(2) [General Section]: 72–155 - get paper here
  • Townsend, J.H.; Wilson, L.D. 2006. A new species of snake of the Geophis dubius group (Reptilia: Squamata: Colubridae) from the sierra de Omoa of northwestern Honduras. Proc. Biol. Soc. Washington 119 (1): 150–159. - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • WILSON, L.D. & J.H. TOWNSEND 2007. A checklist and key to the snakes of the genus Geophis (Squamata: Colubridae: Dipsadinae), with commentary on distribution and conservation. Zootaxa 1395: 1-31 - get paper here
 
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