Kataphraktosaurus ungerhamiltoni ROJAS-RUNJAIC, BARRIO-AMORÓS, SEÑARIS, RIVA & CASTROVIEJO-FISHER, 2021
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Kataphraktosaurus ungerhamiltoni
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| Higher Taxa | Gymnophthalmidae (Cercosaurinae), Sauria, Gymnophthalmoidea, Squamata (lizards) |
| Subspecies | |
| Common Names | |
| Synonym | Kataphraktosaurus ungerhamiltoni ROJAS-RUNJAIC, BARRIO-AMORÓS, SEÑARIS, RIVA & CASTROVIEJO-FISHER 2021 |
| Distribution | Venezuela (Amazonas) Type locality: Caño Bejuco, near Tobogán del Cuao, Autana municipality, Amazonas state, Venezuela (5°05’58”N, 67°29’54”W; elevation 124 m) |
| Reproduction | |
| Types | Holotype: MHNLS 19960 (field number AJC 3014), adult male, collected on 14 July 2010 |
| Diagnosis | Diagnosis: Kataphraktosaurus ungerhamiltoni is defined by the unique combination of the following characteristics: (1) small body size (49 mm SVL; female unknown); (2) dorsal surface of head with large, weakly keeled, symmetrical scales; (3) snout acuminate, moderately long; (4) two subtriangular internasals, each one as long as wide; (5) two large pentagonal frontonasals, more than two times longer than wide; (6) prefrontals absent; (7) frontal scale single, hexagonal, double-keeled; (8) two pentagonal frontoparietals, single-keeled; (9) interparietal large, subpentagonal, well-differentiated; (10) parietals large, polygonal, paired, flanking interparietal; (11) occipitals not differentiated; (12) temporal scales not differentiated; (13) lower eyelid developed, with palpebral disc divided into 5–7 unpigmented scales; (14) six supralabials; (15) six infralabials; (16) postmental absent; (17) three pairs of enlarged chin shields; (18) collar distinct, containing six enlarged scales; (19) dorsal scales heterogeneous, with large, longitudinally keeled scales intercalated by small irregular, granular to flat scales; (20) paravertebral rows of enlarged scales continuous; (21) ventral scales pentagonal, keeled, mucronate, imbricated; (22) ventral scales arranged in 20 transverse and eight longitudinal rows; (23) femoral pores inserted in a clump of 4–5 scales; (24) six femoral pores (three on each side) in males (female unknown); (25) tail slightly compressed; (26) tail with six pairs of longitudinal ridges around it (two dorsal submedian, two dorsolateral, two median laterals, two lower lateral, two ventrolateral, and two ventral submedian); (27) two subcaudal scales by verticil; (28) three keeled scales on the dorsal submedian ridge by verticil; (29) forelimbs and hind limbs pentadactyl; (30) subdigital lamellae on fourth finger 15–16; (31) subdigital lamellae on fourth toe 21–22 (32) digits clawed; (Rojas-Runjaic et al. 2021). Additional details (4682 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | Type species: Kataphraktosaurus ungerhamiltoni is the type species of the genus Kataphraktosaurus ROJAS-RUNJAIC et al. 2021. |
| Etymology | This species is named in honor of Mr. Felix Unger-Hamilton, in recognition of his support and interest in the study and conservation of Venezuelan biodiversity and the description of new species. The genus was named after Greek kataphractos (κατάφρακτος), shut up, confined + Greek sauros (σαῦρος), lizard. ["...The generic name is masculine and the words mean completely enclosed, covered or armored, and the Neo-Latin -saurus ―derived from the ancient Greek σαῦρος (“saûros”)― means lizard..."]. |
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