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Drepanoides anomalus (JAN, 1863)

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Black-collared Snake
Portuguese: Coral, Cobra-Coral 
SynonymCloelia anomala JAN 1863: 92
Drepanodon anomalus — PERACCA 1896
Drepanodon astigmaticus PERACCA 1896
Arrhyton Quenselii — ANDERSSON 1901: 15 (?)
Pseudoclelia guttata RENDAHL & VESTERGREN 1940: 10
Drepanoides anomalus — PETERS 1957: 6
Drepanoides anomalus — PETERS 1960
Drepanoides anomalus — DUELLMAN 1978: 240
Drepanoides anomalus — MATTISON 1995: 214
Drepanoides anomalus — LEHR 2002: 91
Drepanoides anomalus — WALLACH et al. 2014: 242
Drepanoides anomalus — NOGUEIRA et al. 2019 
DistributionC Bolivia (Beni), Brazil (Amazonas, Pará, Mato Grosso, Maranhão), S Colombia, Peru, Ecuador, French Guiana [Vidal et al. 1998]

Type locality: South America and Brazil.  
Reproductionoviparous 
TypesHolotype: MHNN (Neuchatel)
Type: MSNTO R1136 [Drepanodon astigmaticus PERACCA 1896] 
DiagnosisAdditional details, e.g. a detailed description or comparisons (1781 characters), are available for collaborators and contributors. Please contact us for details. 
CommentSynonymy: mostly that of PETERS & OREJAS-MIRANDA 1970. The synonymy of Arrhyton Quenselii (holotype: NRM) is not clear. Van Wallach (pers. comm., 7 Oct 2011) believes it may be synonymous with D. anomalus based on the original description by ANDERSSON 1901.

Type species: Cloelia anomala JAN 1863: 92 is the type species of the genus Drepanoides DUNN 1928. 
EtymologyNamed after Latin anomalus, irregular, deviating from the general rule. (Esteban Lavilla, pers. comm., April 2024)

The genus was named after Greek drepanon (δρέπανον), a scythe; curved sword, scimitar + Greek -oides (-οειδής), suffix indicating likeness. 
References
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