Atractus punctiventris AMARAL, 1933
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Atractus punctiventris
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| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Pointed Ground Snake |
| Synonym | Atractus punctiventris AMARAL 1933: 117 Atractus punctiventris — PASSOS et al. 2007 Atractus punctiventris — WALLACH et al. 2014: 79 |
| Distribution | Colombia (Meta) Type locality: Villavicencia, Intendencia de Meta, Colombia [= Vilavicencio, Departamento del Meta], (04°09’N, 73°38’W, ca. 500 m elevation |
| Reproduction | oviparous |
| Types | Holotype: MLS 254, formerly MLS 102. Wallach et al. 2014 states that, "holotype destroyed by fire 15 May 2010." However, Passos et al. 2016 provided a description of the holotype using the existing specimen. |
| Diagnosis | Diagnosis: Atractus punctiventris can be distinguished from all congeners by the following combination of characters: (1) smooth dorsal scale rows generally 15/15/15; (2) postoculars two; (3) loreal moderately long; (4) temporal formula 1þ2; (5) supralabials usually seven, third and fourth contacting eye; (6) infralabials usually seven, first three contacting chinshields; (7) maxillary teeth five to six; (8) gular scale rows three; (9) preventrals one or two; (10) ventrals 170–183 in females, 155–167 in males; (11) subcaudals 27– 34 in females, 32–36 in males; (12) in preservative, dorsum pale brown to brown with a series of brown to black irregular light bordered blotches; (13) in preservative, venter creamish white with brown dots or spots generally arranged in the center of ventral scales usually forming a conspicuous midline along belly; (14) maximum body size moderate in females (415 mm SVL) and males (345 mm SVL); (15) moderately long tail in females (12.5–14.0% SVL) and in males (14.4–15.6% SVL); (16) hemipenis slightly bilobed, semicapitate, and semicalyculate (Passos et al. 2016: 4). 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 1499 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | Th species is known from less than 10 specimens (Passos et al. 2016). Distribution: Known from the municipalities of Villavicencio (04°09’N, 73°38’W), Meta; San Luís de Gaceno (04°49’N, 73°10’W) Boyaca ́; and Nunchía (05°38’N, 72°12’W), Casanare. |
| Etymology | Named after Latin punctum, puncti, point; dot/spot and Latin ventris, stomach, womb; belly. [“...superficie ventral também esbranquiçada com uma estria negra mediana constituida por uma mancha arredondada collocada bem sobre o centro de cada placa ventral das sub-caudaes...”]. (from Esteban Lavilla, pers. comm., May 2024) |
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