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Tantalophis discolor (GÜNTHER, 1860)

IUCN Red List - Tantalophis discolor - Vulnerable, VU
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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Oaxacan Cat-eyed Snake
S: Culebra Ojo de Gato Oaxaqueña 
SynonymLeptodeira discolor GÜNTHER 1860: 317
Leptodira discolor GÜNTHER 1860: 55
Sibon discolor — GARMAN 1884: 19
Hypsiglena discolor — COPE 1887
Pseudoleptodeira discolor — TAYLOR 1938
Tantalophis discolor — DUELLMAN 1958
Tantalophis discolor — MYERS & CAMPBELL 1981
Tantalophis discolor — LINER 1994
Tantalophis discolor — LINER 2007
Tantalophis discolor — WALLACH et al. 2014: 698 
DistributionMexico (Oaxaca)

Type locality: “Oaxaca"  
Reproductionoviparous 
TypesSyntypes: BMNH 1946.1.23.67 and 1946.1.23.68 
DiagnosisDiagnosis (genus, n=1). A xenodontine colubrid snake having a bifurcate hemipenis with a forked sulcus spermaticus, many longitudinal folds on basal portion, and small spines and calyces on distal part; 12 or 13 maxillary teeth followed by short diastema and two somewhat enlarged maxillary teeth lacking grooves; small parotid gland; normal colubrid skull; no hypapophyses on posterior vertebrae; elliptical pupils; two apical pits; smooth scales; normal colubrid head shields; divided anal; paired caudals. (Duellman 1958)


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CommentSynonymy: partly after Mulcahy et al. 2011.

Phylogenetics: Dipsadinae fide Zaher et al. 2019.

Type species: Leptodeira discolor GÜNTHER 1860: 317 is the type species of the genus Tantalophis DUELLMAN 1958. 
EtymologyFrom the Latin “dis-” meaning a negation or contrary and “colour”, likely in reference to its pale or “dirty-white” coloration.

The genus name comes from the Greek Tántalos, a mythological character symbolic of eternal torment, and from the Greek “ophis” for snake. 
References
  • Canseco-Márquez, L., & Gutiérrrez-Mayén, M.G. 2010. Anfibios y reptiles del Valle de Tehuacán-Cuicatlán. Comisión Nacional para el conocimiento y uso de la biodiversidad, México D.F., Mexico, 302 pp - 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.
  • Duellman, W.E. 1958. A monographic study of the colubrid snake genus Leptodeira. Bull. Amer. Mus. Nat. Hist. 114 (1): 1-152 - get paper here
  • Duellman, W.E. 1958. Systematic Status of the Col. Sn. Leptodeira discolor. Uni. Kansas Publ. vol. 11 no.1:1-9 - get paper here
  • Garman, Samuel 1884. The reptiles and batrachians of North America. Mem. Mus. comp. Zool, Cambridge (Massachusetts), 8 (3): xxxiv + 185 pp. [1883] [CNAH reprint 10] - get paper here
  • Günther, A. 1860. On new reptiles and fishes from Mexico. Proc. Zool. Soc. London 1860: 316-318 - get paper here
  • Günther, A. 1860. On new reptiles and fishes from Mexico. Ann. Mag. Nat. Hist. (3) 6: 442-445 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Liner, E.A. 1994. Scientific and common names for the Amphibians and Reptiles of Mexico in English and Spanish. Herpetological Circular 23: 1-113
  • Liner, Ernest A. 2007. A CHECKLIST OF THE AMPHIBIANS AND REPTILES OF MEXICO. Louisiana State University Occasional Papers of the Museum of Natural Science 80: 1-60 - get paper here
  • 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
  • Mulcahy, D.G. 2007. Molecular systematics of neotropical cat-eyed snakes: a test of the monophyly of Leptodeirini (Colubridae: Dipsadinae) with implications for character evolution and biogeography. Biological Journal of the Linnean Society, 92: 483–500 - get paper here
  • Mulcahy, Daniel G.; Thomas H. Beckstead, and Jack W. Sites 2011. Molecular Systematics of the Leptodeirini (Colubroidea: Dipsadidae) Revisited: Species-tree Analyses and Multi-locus Data. Copeia 2011 (3): 407-417. - get paper here
  • Myers, C W; Campbell J A 1981. A new genus and species of colubrid snake from the Sierra Madre del Sur of Guerrero, Mexico. American Museum Novitates (2708): 1-20 - get paper here
  • Myers, Charles W. 1984. Subcircular pupil shape in the snake Tantalophis (Colubridae). Copeia 1984 (1): 215-216 - 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.
 
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