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Oxyrhopus melanogenys (TSCHUDI, 1845)

IUCN Red List - Oxyrhopus melanogenys - Least Concern, LC
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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
SubspeciesOxyrhopus melanogenys melanogenys (TSCHUDI 1845)
Oxyrhopus melanogenys orientalis CUNHA & NASCIMENTO 1983 
Common NamesE: Tschudi's False Coral Snake
Portuguese: Coral, Coral-Falsa, Falsa-Coral 
SynonymSphenocephalus melanogenys TSCHUDI 1845: 163
Oxyrhopus tergeminus — JAN 1870 (fide STARACE 1998)
Tachymenis bitorquata GÜNTHER 1872: 19
Oxyrhopus melanogenys — BOULENGER 1896: 105
Oxyrhopus bitorquatus — BOULENGER 1896
Oxyrhopus melanogenys — PETERS & OREJAS-MIRANDA 1970: 232
Oxyrhopus melanogenys— DO NASCIMENTO et al. 1987
Oxyrhopus aff. melanogenys — STARACE 1998: 303
Oxyrhopus melanogenys — LEHR 2002: 95
Oxyrhopus melanogenys — WALLACH et al. 2014: 519

Oxyrhopus melanogenys orientalis CUNHA & NASCIMENTO 1983
Oxyrhopus melanogenys orientalis — FROTA et al. 2005 
DistributionBolivia (Beni), Peru, Brazil (Rondonia, Amazonas, Pará: [HR 31: 255], Mato Grosso, S Ceará), Ecuador, Colombia, Guyana

orientalis: Peru, Brazil (Pará)

Type locality: Peru  
Reproductionoviparous 
TypesLectotype: MHNN (Neuchatel), fide Schätti 1985; Type: MCZ, but unknown fide PETERS 1960
Holotype: MPEG [orientalis] 
DiagnosisAdditional details, e.g. a detailed description or comparisons (995 characters), are available for collaborators and contributors. Please contact us for details. 
CommentSimilar species: Oxyrhopus vanidicus from Colombia only slightly differs in colour pattern from the very similar O. melanogenys. Lynch (2009) stated that some populations formerly assigned to O. melanogenys and O. aff. melanogenys from northern South America are Oxyrhopus vanidicus. RIVAS et al. 2012 could not find consistent differences between O. vanidicus and O. melanogenys. RIVAS et al. consider all the specimens previously referred to O. aff. melanogenys and O. trigeminus in Venezuela as O. melanogenys.

Distribution: not in Venezuela but vanidicus is (Luis Esqueda, pers. comm., 21 April 2016, see also Natera-Mumaw et al. 2015). See map in Nogueira et al. 2019. 
EtymologyNamed after Greek melanos (μέλανος), black + Greek genys (γένυς), the jaw, side of the face, cheek (TSCHUDI 1845, Esteban Lavilla, pers. comm., April 2024) 
References
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