Atractus attenuates MYERS & SCHARGEL, 2006
Can you confirm these amateur observations of Atractus attenuates?
|Higher Taxa||Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Synonym||Atractus attenuates MYERS & SCHARGEL 2006|
Atractus attenuatus — PASSOS et al. 2009
Atractus attenuates — WALLACH et al. 2014: 68
|Distribution||Colombia (Sabanalarga, Antioquia: northern end of the Cordillera Central), 1000 m elevation.|
Type locality: at Sabanalarga, on Cauca River, [6°51’N, 75°49’W, Department of Antioquia], Colombia. The type locality, Sabanalarga (Nicéforo María, 1942: 87, map), lies on the east bank of the Río Cauca at an elevation of about 1000 m (Paynter, 1997: 372), in the northern end of the Cordillera Central. Map legend:
- Type locality.
- Region according to the TDWG standard, not a precise distribution map.
NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
|Types||Holotype: AMNH R-19998, an adult male obtained by Hermano Nicéforo Maria on May 16, 1921|
|Comment||Description: Atractus attenuates is a slender, exceptionally attenuated snake 420 mm in total length (adult male holotype), with 17 scale rows. a high ventral + subcaudal count (226), and an extremely vague pattern of numerous, closely spaced, indistinct dark crossbars on a brown ground color.|
DIAGNOSIS: Atractus attenuatus is distin- guished by its exceptionally slender, drawn- out habitus, combined with 17 scale rows, a high ventral + subcaudal count (226), and an extremely vague pattern of numerous, closely spaced, indistinct crossbars. The most relevant comparison is with Atractus sanguineus, which has fewer, more widely spaced crossbars that are distinctly darker than the ground color and that are connected by a vertebral dark line. In life, the dorsal ground color of A. attenuatus is probably brown, whereas A. sanguineus is red. See Comparisons.
|Etymology||ETYMOLOGY: The species name attenuatus is the passive past participle of the Latin verb attenuo (to stretch or make thin), and also (as used here) a derived adjective meaning stretched out and slender.|
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