Enyalioides feiruzae VENEGAS, CHÁVEZ, GARCÍA-AYACHI, DURAN & TORRES-CARVAJAL, 2021
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Enyalioides feiruzae
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| Higher Taxa | Hoplocercidae, Iguania, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | |
| Synonym | Enyalioides feiruzae VENEGAS, CHÁVEZ, GARCÍA-AYACHI, DURAN & TORRES-CARVAJAL 2021 |
| Distribution | Peru (Huánuco) Type locality: Huánuco department, Pachitea province, from the Huallaga River near Santa Rita Sur village; 9°35'33.7"S, 75°53'33.3"W, 856 m a.s.l. |
| Reproduction | |
| Types | Holotype: CORBIDI 9316, adult male; Paratypes. (28): CORBIDI |
| Diagnosis | Diagnosis. Enyalioides feiruzae can be distinguished from other species of Enyalioides, except E. binzayedi and E. rudolfarndti, by the combination of the following characters (see also Table 1): (1) scales posterior to the superciliaries enlarged and pointed (relative to adjacent scales), forming a well-defined longitudinal row of distinctly raised scales across the lateral edge of the head in juveniles and adults of both sexes; (2) vertebral crest strongly projected, continuous, and decreasing in size posteriorly, with vertebrals on neck at least four times higher than those between hind limbs; (3) projecting scales on body or limbs absent; (4) ventral scales strongly keeled; (5) caudal scales heterogeneous in size on each autotomic segment; and (6) superciliary triangular flap that projects posterolaterally over each eye absent. The most similar species to Enyalioides feiruzae is its sister species (see below) E. rudolfarndti (Fig. 4B). Both species are similar in dorsal coloration, scale counts, and size; however, E. feiruzae differs from E. rudolfarndti (character states in parentheses) in having a conspicuous posteromedial black patch, rarely dark brown, in the gular region in both sexes (absent); adult males usually without an orange round blotch on the antehumeral region or a faint blotch if present (conspicuous orange blotch on antehumeral region in adult males); scales on flanks homogeneous in size (distinctly heterogeneous); and fewer supralabials 8–10, x̅ = 9.52 (11–12, x̅ = 11.75). The new species differs from E. binzayedi in having dorsal scales strongly keeled on paravertebral region and feebly keeled or smooth elsewhere (prominent medial keel on each dorsal scale); fewer supralabials 8–10, x̅ = 9.52 (11–15, x̅ = 12); more dorsals in transverse row between dorsolateral crests at midbody 26–39, x̅ = 30.44 (22–31, x̅ = 27.57); and a conspicuous posteromedial black patch in the gular region (absent). A longitudinal row of strongly projecting scales along the lateral edge of the skull posterior and continuous with the superciliaries is also present in Enyalioides altotambo and E. oshaughnessyi, which occur west of the Andes in Ecuador and Colombia and differ from E. feiruzae in having smooth or slightly keeled dorsals. Additionally, Enyalioides cofanorum and E. microlepis share with the new species the presence of strongly keeled ventral scales and caudal scales of heterogeneous size on each autotomic segment. However, E. cofanorum differs from E. feiruzae (characters states in parentheses) in having a smaller body size, maximum SVL 107 mm in males and 109 mm in females (maximum SVL = 122 mm in males and 119 mm in females); scattered, projecting, large dorsal scales (absent); and a black patch covering the gular region (patch only covering the gular region posteromedially). Enyalioides microlepis differs from E. feiruzae in having more than 40 dorsal scales in a transverse line between the dorsolateral crest at midbody (38 or fewer dorsal scales); a low vertebral crest (high); and a blue gular background (white or orange). (Venegas et al. 2021) |
| Comment | |
| Etymology | Named after Feiruz, a female green iguana, muse and lifelong friend, owned by Catherine Thomson from Farmington Hills, Michigan, USA, who supported our taxonomic research and nature conservation through the BIOPAT initiative. |
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