Cnemidophorus rostralis UGUETO & HARVEY, 2010
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Cnemidophorus rostralis
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| Higher Taxa | Teiidae, Teiinae, Gymnophthalmoidea, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | E: La Tortuga Whiptail |
| Synonym | Cnemidophorus rostralis UGUETO & HARVEY 2010 Cnemidophorus lemniscatus nigricolor — HUMMELINCK 1940: 83 (in part) Cnemidophorus lemniscatus nigricolor — LAMMERÉE 1970: 54 (in part) Cnemidophorus nigricolor — WRIGHT 1993: 79 (in part) Cnemidophorus rostralis — HARVEY et al. 2012 |
| Distribution | Venezuela Type locality: Isla La Tortuga (10° 55’ N, 65° 18’ W), Dependencias Federales, Venezuela. |
| Reproduction | oviparous (manual imputation, fide Zimin et al. 2022) |
| Types | Holotype: SDNHM = SDSNH 34890, San Diego Natural History Museum (Fig. 17), adult male, collected in 1939 by C. B. Perkins. |
| Diagnosis | Diagnosis: A species of the C. lemniscatus species complex distinguished from all conge- ners by the following combination of characters: (1) maximum SVL in males 79 mm; (2) nostril usually anterior, less often slightly anterior or centered within nasal suture; (3) rostral scale pointed and projecting; (4) frontonasal hexagonal or octagonal, forming angular or semicircular sutures with nasals; (5) first supraciliary usually separated, less often in contact with prefrontal; (6) scales of circumorbital semicircles 4–8 (total of both sides) in contact with supraoculars, extending to posterior portion of third or, less often, to anterior portion of fourth supraocular; (7) 25– 38 (total of both sides) scales usually in single row, sometimes in partially doubled row between supraoculars and supraciliaries; (8) mesoptychials slightly enlarged; (9) ventrals in eight longitudinal and 30–32 transverse rows; (10) bisexual (gonochoristic); (11) brachials moderately enlarged and extending to, but decreasing in size towards, shoulder; (12) males with one anal spur at each side; spur usually somewhat narrow and moderately elongate, extending close to body; (13) 1–3 small scales between anal spurs and preanal shield; (14) subcaudals near base of tail smooth; (15) vertebral and paravertebral stripes absent; (16) adult males in life jet black, with brownish cast on sides of head and with or without 20–33 faint, almost invisible pale spots on flanks; (17) females in life uniformly gray-brown with or without 21–30 small, very faint pale spots; (18) juvenile color pattern like that of adult females [from UGUETO & HARVEY 2010]. |
| Comment | |
| Etymology | The specific name rostralis is a Latin adjective, meaning ‘‘belonging to the snout’’ and alluding to the pointed rostral scale characteristic of this species. |
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