Microlophus thoracicus (TSCHUDI, 1845)
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Higher Taxa | Tropiduridae, Iguania, Sauria, Squamata (lizards) |
Subspecies | Microlophus thoracicus thoracicus (TSCHUDI 1845) Microlophus thoracicus talarae DIXON & WRIGHT 1975 Microlophus thoracicus icae DIXON & WRIGHT 1975 |
Common Names | E: Tschudi's Pacific Iguana |
Synonym | Steirolepis thoracica TSCHUDI 1845 Tropidurus thomasi BOULENGER 1900: 184 Tropidurus thomasi — WERNER 1910: 24 Tropidurus thoracicus — DIXON & WRIGHT 1975: 15 Tropidurus thoracicus — HENLE & EHRL 1991 Microlophus thoracicus — FROST 1992 Microlophus thoracicus — LEHR 2002: 85 Tropidurus thoracicus — TORRES-CARVAJAL 2004 Microlophus thoracicus — TOYAMA et al. 2018 Microlophus thoracicus talarae DIXON & WRIGHT 1975: 23 Microlophus thoracicus talarae — LEHR et al. 2002: 381 Microlophus thoracicus icae DIXON & WRIGHT 1975: 22 Microlophus thoracicus icae — LEHR et al. 2002: 381 Microlophus thoracicus icae — PÉREZ et al. 2015 |
Distribution | WC Peru Type locality: Huacho, Ica, Pisco, and Islay, Peru (restricted to the vicinity of Huacho, Lima Dept., Peru, by DIXON & WRIGHT 1975). talarae: vicinity of Talara, Peru; Type locality: 2 km N Talara, Piura Dept, Peru. icae: vicinity of Ica, Peru; Type locality: 12 km NE (rd), Ica, Ica Dept, Peru. |
Reproduction | oviparous |
Types | Lectotype: ZMB 4318 (Mertens 1956). Holotype: LACM 48987. Collected J 5 December 1968 by James R. Dixon and John W . Wright. [icae] Holotype: TCWC 28507. Collected 3 December 1968 by John W. Wright and James R. Dixon [talarae] |
Diagnosis | Diagnosis: Tropidurus Ihoracicus is a member of the peruvianus group and is distinguished from Iheresiae by the presence of an enlarged, usually continuous, keeled, vertebral row of scales and the absence of an orange-red eye ring in adult males; from peruvianus and tigris by the presence of two or more rows of scales between the nasal and first labial scales. Furthermore, Ihoracicus is the only member of the peruvianus group with a distinct black spot in, and extending posterior from, the antehumeral folds. These spots are present in juveniles and adults of both sexes. The scales on the posterior margin of toes on the limbs are enlarged and keeled, forming a conspicuous fringe. This condition is not present in other members of the genus [DIXON & WRIGHT 1975]. |
Comment | Synonymy: Tropidurus thoracicus icae has been placed in the synonymy with T. t. thoracicus by HENLE & EHRL 1991. |
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