Urosaurus auriculatus (COPE, 1871)
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Urosaurus auriculatus
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| Higher Taxa | Phrynosomatidae, Sceloporinae, Iguania, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | E: Socorro Island Tree Lizard S: Arboricola de Isla Socorro |
| Synonym | Uta auriculata COPE 1871: 303 Uta auriculata — BOULENGER 1885: 214 Urosaurus auriculatus – MITTLEMAN 1942: 163 Urosaurus auriculatus — SMITH & TAYLOR 1950: 146 Urosaurus auriculatus — LINER 1994 Urosaurus auriculatus — LINER 2007 Urosaurus auriculatus — HEIMES 2022 |
| Distribution | Mexico (Colima: Socorro Island, Revillagigedo Island) Type locality: Socorro Island, Revillagigedo Island |
| Reproduction | oviparous |
| Types | Holotype: USNM 7027 |
| Diagnosis | Diagnosis: A fairly large member of the genus, unique in the possession of smooth enlarged femorals; two rows of vertebrals, which are rather weakly carinate, imbricate, and regularly arranged, bordered on either side by a single series of enlarged dorsals, which are relatively flat and weakly keeled, and not very regularly dispersed; frontal divided or entire; external to the primary series of enlarged dorsals there are often one or two additional series of irregularly arranged scales which do not continue in even rows, and are of variable size; along the dorsolateral fold a variable series of enlarged scales, some tubercular and others flat and mucronate, these in irregular groups; post-femoral dermal pocket variable; coloration ranging from grayish to bright blue, with six to eight short cross-bars along the dorsum in alternating position, which are light-edged (usually with pale blue) on their posterior borders; light lateral and ventral neckings of pale blue, restricted to single scales, or small groups of tubercular scales; males with extensive deep blue abdominal patches, females with an uneven light blue abdominal wash. Measurements of seven adults, both sexes: head length, 16.5 mm; head width, 12.45 mm; snout to vent, 65.5 mm; hind leg, 44.0 mm (Mittleman 1942: 163). Additional details (38 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | Distribution: see map in Feldman et al. 2011. |
| Etymology | Not given by Cope, but apparently after the “crest of short acute scales on the ridge of the os quadratum above the large tympanum”, from Latin auris = ear and “auricula” = earlobe. |
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