Atractus duidensis ROZE, 1961
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Atractus duidensis
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| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Venezuela Ground Snake |
| Synonym | Atractus duidensis ROZE 1961: 110 Atractus duidensis — PETERS & OREJAS-MIRANDA 1970: 28 Atractus duidensis — KORNACKER 1999: 63 Atractus duidensis — PASSOS et al. 2013 Atractus duidensis — WALLACH et al. 2014: 71 |
| Distribution | Venezuela (Cerro Duida, TF Amazonas) Type locality: Cumbre del Cerro Duida, Territorio Federal Amazonas, Venezuela, 03°25’N, 65°40’W; ca. 2050 m elevation. |
| Reproduction | oviparous |
| Types | Holotype: AMNH 36609, adult male, collected on 28 January 1929 by members of the Tyler-Duida expedition. Paratype. Adult female, AMNH 36607, same data as holotype. |
| Diagnosis | Diagnosis. Atractus duidensis can be distinguished from all congeners by the following combination of characters (data between brackets are those of Roze, 1961): (1) smooth dorsal scale rows 17/17/17; (2) postoculars two; (3) loreal long; (4) temporals 1 + 2; (5) supralabials seven, third and fourth contacting orbit; (6) infralabials seven, first three contacting chin shields; (7) maxillary teeth eight or nine; (8) gular scale rows three; (9) preventrals two or three; (10) ventrals 171 [173] and 156 in the single female and male, respectively; (11) subcaudals 36 [35] in the single female, male tail incomplete; (12) in preservation, dorsum uniform grayish brown to black in adults; (13) in preservation, venter creamish yellow anteriorly, gradually invaded by brown dots, becoming uniform brown posteriorly in adults; (14) body size moderate, female reaching 400 mm [415] and male 306 mm [315] SVL; (15) tail moderate in female (13.7% [11.7] SVL) [PASSOS et al. 2013]. |
| Comment | |
| Etymology | Named after the type locality. |
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