Petracola labioocularis (KÖHLER & LEHR, 2004)
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Petracola labioocularis
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| Higher Taxa | Gymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards) |
| Subspecies | |
| Common Names | |
| Synonym | Proctoporus labioocularis KÖHLER & LEHR 2004: 502 Petracola labioocularis — DOAN & CASTOE 2005 |
| Distribution | Peru (Huánuco) Type locality: Peru, Dpartamento de Huánuco, Chaglla, 2980 m elevation. |
| Reproduction | oviparous |
| Types | Holotype: MUSM (= MHNSM) 20092, adult male; paratypes: MHNSM, SMF (females, males) |
| Diagnosis | Diagnosis (n=15): (1) Frontonasal length usually equal to frontal length; (2) nasoloreal suture absent; (3) supraoculars four, anteriormost supraocular fused with anteriormost superciliary, all supraoculars in contact with ciliaries; (4) superciliary series incomplete, 1-2 scales; (5) supralabial-subocular fusion present; (6) postoculars two or three, usually two; (7) postparietals two or three, usually two; (8) supratympanic temporals two or three; (9) genials two or three, usually three, transverse sutures perpendicular with respect to midline of body; (10) dorsal scales rectangular, juxtaposed, smooth; (11) transverse dorsal count (enlarged rows at midbody) 19-20 in both sexes; (12) longitudinal dorsal count 34-35 in both sexes; (13) longitudinal ventral count 18-20 in both sexes; (14) lateral scale rows 2–3, usually two; (15) femoral pores in males 10–11, in females 0–3; no scales between femoral pores; (16) subdigital scales on 4th finger 9–12, on 4th toe 13–16; (17) limbs not overlapping when adpressed against body in adults (separated by a distance equal to 2–6 dorsal scales); (18) anterior preanal plate scales paired; (19) hemipenis capitate; flounces forming two chevrons on distal half of hemipenis while basal half covered with 5–6 transverse flounces; some asulcate flounces separated by small expansion pleat; sulcate flounces about as wide as asulcate flounces; sulcus spermaticus single, flanked by broad naked expansion pleat widened distally and divided by small protrusion; (20) dorsum brown to olive brown; dorsolateral pale stripe on neck and body; small lateral ocelli present or absent; ventral surfaces grayish brown; (21) lower palpebral disc with vertical sections; (22) prefrontals absent. Proctoporus labioocularis can be distinguished from its congeners by the following characteristics (condition for P. labioocularis in parentheses): All Bolivian and Peruvian species except P. ventrimaculatus: lower palpebral disc an undivided oval (palpebral disc with vertical sections). Proctoporus ventrimaculatus: supralabial-subocular fusion absent (present), three supraoculars (four). All Ecuadorian species except P. meleagris and P. simoterus: dorsal scales striated/keeled (smooth). Proctoorus meleagris: supralabialsubocular fusion absent (present) and transverse dorsal count 22–26 (19–20). Proctoporus simoterus: 6–7 femoral pores in males (10–11), 5–7 femoral pores in females (0–3), and 8 scales between femoral pores in males (0). Species occurring north of Ecuador: all species except P. columbianus: no complete band of granular scales along the sides of body between dorsal and ventral scales (granular scales present). Proctoporus columbianus: no pores on anterior preanal plate scales (pores present). Proctoporus labioocularis can be distinguished from all species currently placed in Euspondylus by the absence of prefrontals (always present in the species of Euspondylus, except in E. spinalis in which this condition is variable). Proctoporus labioocularis further differs from E. rahmi, E. simonsii, E. spinalis, and Opipeuter xestus by having the transparent lower palpebral disc with vertical sections (palpebral disc an undivided oval in E. rahmi, E. simonsii, E. spinalis, and Opipeuter xestus). Proctoporus labioocularis differs further from Opipeuter xestus by having several small subocular scales, the posterior one fused with a supralabial (a single large elongate subocular, not fused with a supralabial in O. xestus); the absence of prefrontals (present in O. xestus); a longitudinal ventral count of 18–20 (24–25 in O. xestus); and in hemipenis morphology (large spines at the base of the sulcus spermaticus in O. xestus versus no such spines present in P. labioocularis). (Köhler & Lehr 2004) 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 6655 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | Abundance: only known from its original description (Meiri et al. 2017). Distribution: For a map of type localities see Mamani et al. 2023: 167 (Fig. 6). |
| Etymology | Named after the Latin words labium (lip) and oculus (eye). The name is used in reference to the distinctive supralabial-subocular fusion found in all specimens of this species. |
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