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Oxyrhopus trigeminus DUMÉRIL, BIBRON & DUMÉRIL, 1854

IUCN Red List - Oxyrhopus trigeminus - Least Concern, LC
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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Brazilian False Coral Snake
Portuguese: Bacorá, Boi-Corá, Boicorá, Cobra-Coral, Cobra-Coral-Falsa, Cobra-de-Coral, Coral, Coral-Falsa, Falsa-Coral-de-Barriga-Branca, Falsa-Coral-Tricolor 
SynonymOxyrhopus trigeminus DUMÉRIL, BIBRON & DUMÉRIL 1854: 1013
Erythroxyrhopus trigeminus — THOMPSON 1913: 79
Pseudoboa trigemina — AMARAL 1933: 79
Pseudoboa trigemina — MERTENS 1956
Oxyrhopus trigeminus — PETERS & OREJAS-MIRANDA 1970: 235
Pseudoboa trigemina — JAUCH 1979
Oxyrhopus trigeminus — LANCINI & KORNACKER 1989
Oxyrhopus trigeminus — KORNACKER 1999: 121
Oxyrhopus trigeminus — WALLACH et al. 2014: 520
Oxyrhopus trigeminus — NOGUEIRA et al. 2019 
DistributionBrazil (Goias, Rio de Janeiro, Roraima, Bahia, S Ceará, Piauí, Rio Grande do Norte, Pernambuco, Espírito Santo, Pará, Sergipe etc.), Marajo I, Bolivia (Beni), Peru

Type locality: Distrito Federal, Brazil.  
Reproductionoviparous 
TypesLectotype: MNHN 7599, designated by Zaher & Caramaschi 1993: 818; Syntypes: MCZ R-2103, USNM 11137 
DiagnosisDiagnosis: Cunha & Nascimenta 1983: 12 (in Portuguese)


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CommentDistribution: not in Venezuela; The species was recorded from Venezuela (Lancini 1979), but Zaher and Caramaschi (1992) re-identified the original photographs published by Lancini as O. aff. melanogenys [RIVAS et al. 2012]. Donnelly et al. (2005) reported a specimen of Oxyrhopus trigeminus from Iwokrama in central Guyana, but the specimen was re-identified as O. melanogenys by MacCulloch and Lathrop (MacCulloch et al. 2009). Not in Bolivia; specimens from Bolivia are actually O. guibei. Not in Paraguay where it is represented by O. guibei (fide Cacciali et al. 2016). See map in Nogueira et al. 2019.

Subspecies: Oxyrhopus trigeminus guibei has been elevated to full species status.

Type species: Oxyrhopus trigeminus DUMÉRIL, BIBRON & DUMÉRIL 1854: 1013 is the type species of the genus Erythroxyrhopus THOMPSON 1913 (now a synonym of Oxyrhopus). 
EtymologyNamed after Latin tri, three + Latin geminus, born together, twin-born, twin-. (Esteban Lavilla, pers. comm., April 2024) 
References
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