Atractus uroborus PASSOS, MENESES-PELAYO, RAMOS, MARTINS, MACHADO, LOPES, BARRIO-AMORÓS & LYNCH, 2024
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Atractus uroborus
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| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | |
| Synonym | Atractus uroborus PASSOS, MENESES-PELAYO, RAMOS, MARTINS, MACHADO, LOPES, BARRIO-AMORÓS & LYNCH 2024: 108 |
| Distribution | Colombia (Santander) Type locality: Parque Natural Nacional Serranía de Los Yariguíes (06°33′N, 73°26′W), municipality of El Carmen de Chucurí (ca. 1,160 m asl), department of Santander, Colombia (Fig. 97A). |
| Reproduction | |
| Types | Holotype. ICN‐R 12177, Adult male, collected on 14 March 2011 by Martha L. Calderón Espinosa. Paratypes. Three females and one male, respective‐ ly all of them from department of Santander, Colom‐ bia: ICN‐R 12176 (Fig. 97B) and ICN‐R 12178, with same data as the holotype; UIS-R 4422 (field number EMP 1931) collected on 11 January 2019 by Daniel Mauricio Díaz Rueda at La Montaña Magica-El Poleo Reservation (06°50′5.262′′N, 73°18′10.087′′W; 2,000 m asl), UIS-R 3848 (field number EMP 1242) collected on 9 September 2017 by E. Meneses-Pelayo at Finca Napoles (06°52′34.662′′N, 73°19′51.625′′W; 2,030 m asl), Vereda Paloblanco, both localities in the municipality of Zapatoca (Figs. 97−100). |
| Diagnosis | Diagnosis: Atractus uroborus can be distinguished from all congeners by the following combination of characters: (1) dorsal scale rows smooth, 17/17/17; (2) postoculars two; (3) loreal long; (4) temporal formula 1 + 2; (5) supralabials seven, 3 and 4 contacting eye; (6) infralabials seven, 1−3 contacting chinshields; (7) maxillary teeth 12−13; (8) gular scale rows three; (9) preventrals usually three; (10) ventrals 155−159 in females, 145−150 in males; (11) subcaudals 16−21 in females, 21 in males; (12) in preservative, dorsum light brown to brown usually with conspicuous white parietal band and dark brown to black dorsolateral lines covering paravertebral and paraventral regions; (13) in preservative, belly almost entirely brown, except for the gulag region and lateralmost portion of ventral scales white; (14) small body size, females reaching 225 mm SVL, males 212 mm SVL; (15) tail shortin females (7.7−8.9% SVL), moderatein males (10.4−12.1% SVL); (16) hemipenis slightly bilobed, semicapitate, semicalyculate; (17) laterosphenoid unknown. (Passos et al. 2024) Additional details (2967 characters) are available for collaborators and contributors. Please contact us for details. |
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