Riama columbiana (ANDERSSON, 1914)
Can you confirm these amateur observations of Riama columbiana?
Riama columbiana
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| Higher Taxa | Gymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards) |
| Subspecies | |
| Common Names | E: Colombian Lightbulb Lizard |
| Synonym | Proctoporus columbianus ANDERSSON 1914 Proctoporus columbianus — PETERS & DONOSO-BARROS 1970: 239 Proctoporus columbianus — PRESCH 1978 Proctoporus columbianus — DOAN & SCHARGEL 2003 Riama columbiana — DOAN & CASTOE 2005 Riama columbiana — DUARTE-MARIN et al. 2018 |
| Distribution | Colombia (Valle del Cauca, Caldas, Risaralda, Quindío, probably Antioquia; western slopes of Cordillera Central, elevation 2100-2640 m); elevation 2300–3000 m Type locality: “Colombia”, probably in Municipio de Sonsón, Departamento de Antioquia according to SANCHEZ-PANCHECO 2010. |
| Reproduction | oviparous |
| Types | Lectotype: NRM (NHRM) 1631, an adult male collected approximately 1825-1832 by Pedro Nisser. |
| Diagnosis | Diagnosis – Riama columbiana possesses the following characteristics: (1) frontonasal distinctly longer to distinctly shorter than frontal (in adults usually shorter than frontal); (2) prefrontal scales absent; (3) nasoloreal suture usually complete (= loreal pres- ent), rarely incomplete; (4) supraoculars four, 2, 2+3, 2+4, or 2+3+4 in contact with ciliaries (one specimen has only the fourth in contact with ciliaries on the right side); (5) superciliary series incomplete (1, 2, 4, 1+1, 1+2, 2+1, 2+2, 3+1 or 3+2); (6) supralabial-subocular fusion absent; (7) postoculars usually three, rarely two; (8) postparietals 2-4, usually three; (9) supratympanic temporals three; (10) genials two or three, usually three; (11) dorsal scales rectangular, juxtaposed, with a low, rounded keel (smooth on the neck); (12) longitudinal dorsal scale rows in males 25-32, in females 23-33; (13) transverse dorsal scale rows in males 42-46, in females 41-49; (14) ventral scales smooth, in 22-23 transverse scale rows; (15) lat- eral scale rows 3-5, usually three; (16) femoral pores per hind limb in males 10 (the lectotype has nine on the left hind limb), in females 0-2, usually zero; scales between femoral pores in males 5-6, in females 4-6; (17) subdigital scales on Toe I 4-6; (18) limbs not overlapping when adpressed against body in adults; (19) anterior cloacal plate scales two and posterior five; (20) dorsum brown; dorsolateral stripes absent; lateral ocelli present in males, usually absent in fe- males; ventral scales with dark, centrally positioned, linearly arranged spots. |
| Comment | Distribution: Not listed for Ecuador by TORRES-CARVAJAL 2001. Peters (1967) and Peters & Donoso-Barros (1970) mistakenly reported R. columbiana in Ecuador, due to a misunderstanding on Uzzell's (1958). |
| Etymology | Named after its occurrence in Colombia. |
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