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Leptophis liocercus (WIED, 1824)

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymColuber liocercus WIED 1824
Leptophis liocercus — BOULENGER 1894: 346
Leptophis liocercus — BARBOUR 1916
Thalerophis richardi liocercus — OLIVER 1948: 232
Leptophis ahaetulla liocercus — ICZN 1958: 270
Leptophis ahaetulla liocercus — PETERS & OREJAS-MIRANDA 1970: 162
Leptophis ahaetulla liocercus — HAMDAN et al. 2012
Leptophis ahaetulla liocercus — FREITAS et al. 2016
Leptophis ahaetulla liocercus — MARQUES et al. 2016
Leptophis liocercus — ALBUQUERQUE et al. 2022 
DistributionBrazil (Bahia)

Type locality: “Cabo Frio, Paraiba, Marica, Saquarema, Araruama, Ponta Negra, Lagoa Feia, and Espírito Santo” [southeastern Brazil]; restricted by Albuquerque et al. (2022) to the state of Rio de Janeiro, Brazil (see also vanzolini & Myers 2015: 44 for comments on the type locality and type series of C. liocercus).  
Reproductionoviparous 
TypesHolotype: AMNH 3531, male 
DiagnosisDiagnosis: Leptophis liocercus can be distinguished from its congeners by the following unique combination of character states: (1) head scales slightly edged with black and with no black spots; (2) adult color pattern with no dark dorsal bands; (3) dorsum unstriped, dark bluish green, with dorsal coloration changing gradually to light brown or darker brown toward tail, with scales narrowly edged with black; (4) keeled dorsal scales, except first dorsal row on each side; keels of dorsal scales slightly black, usually present on midbody and posterior region of adult males; (5) no loreal scale; (6) ventrals 150–169 in males, 151–173 in females; (7) subcaudals 149–167 in males, 144–173 in females; (8) dorsal scales of tail with no keels; (9) maxillary teeth 21–24; (10) TL/SvL: 95% CI = 0.656–0.685 (n = 51); (11) small spines at first basal row of hemipenial body; (12) asulcate side of hemipenis similar to sulcate side.


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CommentSynonymy: after PETERS & OREJAS-MIRANDA 1970, STEJNEGER 1933, and Albuquerque et al. 2012, but also see synonymy of Cercophis auratus.

Distribution: see map in Albuquerque & Fernandes 2022: 31 (Fig. 18). 
EtymologyNamed after Greek leios- (λείος), smooth + Greek cercos (κέρκος), tail. (WIED 1824, Esteban Lavilla, pers. comm., April 2024) 
References
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