Atractus trefauti MELO-SAMPAIO, PASSOS, FOUQUET, COSTA-PRUDENTE & TORRES-CARVAJAL, 2019
Can you confirm these amateur observations of Atractus trefauti?
Atractus trefauti
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| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | Portuguese: Cobra-da-terra, Falsa-Coral-Manchada, Fura-Terra |
| Synonym | Atractus trefauti MELO-SAMPAIO, PASSOS, FOUQUET, COSTA-PRUDENTE & TORRES-CARVAJAL 2019 Atractus flammigerus snethlageae — CUNHA & & NASCIMENTO 1983 (in part) Atractus trefauti — NOGUEIRA et al. 2019 |
| Distribution | French Guiana, Brazil (Amapa, Para) Type locality: Route de l’Est N2, Roura, French Guiana, (4°29' 19.7" N, 52°21' 01.4" W; 43 m asl). |
| Reproduction | |
| Types | Holotype: MNRJ 26709 Adult male, (field number AF 814): coll. A. Fouquet, E. Courtois and M. Dewynter, 18 December 2012. Paratypes. Females (n 1⁄4 3) MPEG 25788: coll. U. Gallatti, D. Silvano and B. Pimenta, 9 November 2000, Serra do Navio, Amapa, Brazil. MPEG 16382: [formerly paratype of Atractus flammigerus snethlageae] coll. J. Luiz, 17 July 1977, Serra do Navio, Amapa, Brazil. MNHN 2015.56: coll. F. Starace, 16 April 2015, Reserve de la Trinite, Mont Tabulaire, French Guiana. Males (n1⁄42) MPEG 21354–55: coll. T.A. Gardner and M.A. Ribeiro-Junior, 21 March 2005, Monte Dourado (11'32"S, 5254'17"W), Almeirim, Para, Brazil. |
| Diagnosis | Diagnosis: Atractus trefauti can be distinguished from all congeners by the unique combination of the following characters: (1) smooth dorsal scale rows 17/ 17/17; (2) postoculars two; (3) loreal moderately long; (4) temporal formula 1 þ 2; (5) supralabials seven, third and fourth contacting eye; (6) infralabials eight, first four contacting chinshields; (7) maxillary teeth five to seven; (8) gular scale rows three; (9) three preventrals; (10) ventrals 153–158 in females, 139–149 in males; (11) subcaudals 21–24 in females, 24–29 in males; (12) in preservative, dorsum black with a series of white regular bands one scale long, interrupted on vertebral scales, 15–26 in females, 27–40 in males; (13) in preservative, venter pale cream with scattered brown dots almost forming a midventral line, increasing in size in the posterior half of body; (14) small body size in both sexes (maximum SVL 332 mm in females, 295 mm SVL in males); (15) moderately short tail in females (8.3–9.9% SVL), moderately long tail in males (12.2–13.2% SVL); (16) hemipenis slightly bilobed, semicapitate and semicalyculate. (Melo-Sampaio et al. 2019) Additional details (1958 characters) are available for collaborators and contributors. Please contact us for details. |
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