Atractus medusa PASSOS, MUESES-CISNEROS, LYNCH & FERNANDES, 2009
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Atractus medusa
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| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | |
| Synonym | Atractus medusa PASSOS, MUESES-CISNEROS, LYNCH & FERNANDES 2009 Atractus medusa — WALLACH et al. 2014: 76 |
| Distribution | Colombia (Cauca: Gorgona Island) Type locality: Playa Blanca, Gorgona Island (03º00’N, 78º12’W, ca. 0 m elevation), municipality of Guapi, department of Cauca, Colombia |
| Reproduction | |
| Types | Holotype: IAvH 2981, adult male, collected by J. V. Rueda (field number VR 1213). |
| Diagnosis | Diagnosis: Atractus medusa is distinguished from all congeners by the combination of the following characters: (1) 17/17/17 smooth dorsal scale rows; (2) two postoculars; (3) loreal long; (4) temporals 1+2; (5) seven supralabials, third and fourth contacting orbit; (6) seven infralabials, first four contacting chinshields; (7) five maxillary teeth; (8) three gular scale rows; (9) two preventrals; (10) 133 ventrals in the single male; (11) 46 subcaudal; (12) dorsum beige with light occipital band and round dark brown blotches, decreasing in size posteriorly; (13) venter cream with diffuse dark brown dots concentrated posteriorly; (14) moderate body size, male with 325 mm SVL; (15) long tail (18.4% SVL); (16) hemipenis strongly bilobed, semicapitate, and semicalyculate. |
| Comment | Distribution: not in Ecuador fide O. Torres-Carvajal, pers. comm. 8 Sep 2016. Reports from Ecuador (Cisnero-Heredia & Romero 2015) most likely represent A. iridescens (Arteaga et al. 2017). |
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