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) Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 1958 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | |
| Etymology | The specific epithet honours Dr. Miguel Trefaut Urbano Rodrigues from Universidade de São Paulo (USP) for his extensive contributions in the study of New World herpetofauna, especially with respect to Atractus from Guiana Shield. |
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