Petracola ventrimaculatus (BOULENGER, 1900)
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Petracola ventrimaculatus
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| Higher Taxa | Gymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards) |
| Subspecies | |
| Common Names | E: Spotted Lightbulb Lizard |
| Synonym | Proctoporus ventrimaculatus BOULENGER 1900: 185 Proctoporus ventrimaculatus — PETERS & DONOSO-BARROS 1970: 240 Proctoporus ventrimaculatus — DOAN & SCHARGEL 2003 Petracola ventrimaculatus — DOAN & CASTOE 2005 Proctoporus ventrimaculatus — SCHLÜTER 2006 Petracola ventrimaculata — ECHEVARRÍA & VENEGAS 2015 |
| Distribution | N Peru (interandean valleys) Type locality: Cajamarca, Peru, elevation 3300 m. |
| Reproduction | oviparous |
| Types | Holotype: BMNH 1946.8.2.34 (formerly 1900.3.30.17), sex undetermined (SVL 34 mm; tail 26 mm), collected by P. O. Simons. |
| Diagnosis | Diagnosis (genus Petracola): Petracola differs from members of Alopoglossinae by having its tongue covered in imbricate, scale-like papillae instead of oblique plicae (Harris, 1994), from Gymnophthalminae by having moveable eyelids, from Rhachisaurinae by having external ear openings, and from Ecpelopinae by lacking prefrontal scales. Within Cercosaurinae (sensu Castoe et al., 2004), Petracola differs from all genera except Pholidobolus, Proctoporus, and Riama by lacking prefrontal scales. Petracola differs from Proctoporus by having smooth dorsal scales, from Pholidobolus by having juxtaposed dorsal scales and from Riama by a combination of smooth dorsal scales and femoral pores per hind limb in both sexes less than six (exclusive of pre-anal pores). |
| Comment | The monotypic P. ventrimaculatus Boulenger group was defined by a divided palpebral disc, two supraoculars with a greatly expanded first superciliary, and dark ventral scales (Uzzell, 1970). DOAN & CASTOE (2005) errected a new genus for P. ventrimaculatus as the species was distinct from all other proctoporus (despite the new genus was not necessary in order to maintain monophyly): Type species: Proctoporus ventrimaculatus BOULENGER 1900: 185 is the type species of the genus Petracola BOULENGER 1900. Distribution: For a map of type localities see Mamani et al. 2023: 167 (Fig. 6). |
| Etymology | The epithet, an adjective, is probably a conflation of the Latin words venter and macula terminated by the adjectival suffix -atus referring to the black markings on the venter. |
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