Proctoporus pachyurus TSCHUDI, 1845
Can you confirm these amateur observations of Proctoporus pachyurus?
|Higher Taxa||Gymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards)|
|Common Names||Tschudi's Lightbulb Lizard|
|Synonym||Proctoporus pachyurus TSCHUDI 1845: 161|
Proctoporus pachyurus – PETERS & DONOSO-BARROS 1970: 239
Proctoporus pachyurus — DOAN & SCHARGEL 2003
|Distribution||Peru (Junin), elevation 2770–3800 m|
Type locality: Valley of Río Chanchamayo, eastern slope of Andes, Peru
|Diagnosis||Diagnosis (Proctoporus sensu strictu): Proctoporus differs from members of subfamily 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), Proctoporus differs from all genera except Pholidobolus, Riama, and Petracola by lacking prefrontal scales. It differs from Riama by having an entire palpebral eye disc, from Petracola by having keeled dorsal scales and from Pholidobolus by having juxtaposed dorsal scales (after DOAN & CASTOE 2005.|
|Comment||Type Species: Proctoporus pachyurus is the type species of the genus Proctoporus TSCHUDI 1845 sensu strictu (fide DOAN & CASTOE 2005).|
Key: MAMANI et al. 2015 provide a key to all species of Proctoporus.
The P. pachyurus group (UZZELL 1958), unified by the presence of a single palpebral scale over the eye, a median occipital, and squarish pregular scales that do not form chevrons (Uzzell, 1970; Doan & Castoe, 2003), included P. bolivianus Werner, P. guentheri, and P. pachyurus. Doan & Castoe (2003) added two additional new species, P. sucullucu and P. unsaacae (after DOAN & CASTOE 2005).
Definition of Proctoporus sensu strictu: Tongue with imbricate, scalelike papillae. Head scales smooth without striations or rugosities: single frontonasal, frontal, and interparietal; paired frontoparietals and parietals; prefrontals absent; nostril pierced in a single nasal; nasals not in contact. Eyelids developed, lower with an undivided translucent disc. Posterior gulars squarish. Limbs pentadactyl; digits clawed. Dorsal scales quadrangular, elongate, keeled, juxtaposed, forming transverse series only. Ventrals large, smooth, quadrangular, juxtaposed, forming regular longitudinal and transverse series. Femoral pores present in males, sometimes absent in females; preanal pores absent in both sexes. Tail cylindrical (after DOAN & CASTOE 2005).
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