. Ecuadorian lizards of the genus Stenocercus (Squamata: Tropiduridae). Stenocercus; Stenocercus; Lizards; Lizards. Ecuadorian Lizards of the Genus Stenocercus 25. Table 8. Sexual variation in scutellation and measurements of Stenocer- cus iridescens. Range (first line), v ± SD (second line) and n (third line) are given. Character Females Males Fig. 15. Stenocercus iridescens, syntype, BM , male. pit; mental in contact with first pair of infralabials and first pair of postmentals. Dorsal and lateral scales of body and neck keeled, imbricate; vertebrals large, forming prominent serrate
. Ecuadorian lizards of the genus Stenocercus (Squamata: Tropiduridae). Stenocercus; Stenocercus; Lizards; Lizards. Ecuadorian Lizards of the Genus Stenocercus 25. Table 8. Sexual variation in scutellation and measurements of Stenocer- cus iridescens. Range (first line), v ± SD (second line) and n (third line) are given. Character Females Males Fig. 15. Stenocercus iridescens, syntype, BM , male. pit; mental in contact with first pair of infralabials and first pair of postmentals. Dorsal and lateral scales of body and neck keeled, imbricate; vertebrals large, forming prominent serrate ver- tebral crest; ventrals keeled, imbricate; preauricular fringe absent; neck folds absent; limb scales keeled, imbricate; ventral scales of hind limbs smooth or slightly keeled; 15 lamellae on Finger IV; 27 lamellae on Toe IV; tail strongly compressed; all caudals keeled, imbricate; vertebral crest extending more than half length of tail; tail length 65% of total length; posthumeral pocket Type 2; postfemoral pocket Type 1. Data on syntype BM : Male (Fig. 15); SVL = 82 mm; TL = 155 mm; HW = 14 mm; HL = mm; HH = mm; SM = 49; VS = 51; PS = 57; SS = 4; IS = 2; GS = 20; SF=15;ST = 27. Variation.—Measurements and scutellation of Stenocercus iridescens in Table 1. Head (Fig. 14B and D) nor- mally wider than high (HH/HW = , x = ± , n = 42); 1 or 2 postrostrals, wider than long; 2-4 internasals, usually 2 (60% of the specimens); parietal eye visible in 79% of the specimens; gulars bearing an apical pit in 91% of the specimens; postmentals in contact medi- ally or separated by a tiny scale (11% of the specimens); body generally wider than high (BH/BW = , x = + , fj = 36); vertebral crest more developed in adult males; 15-18 lamellae on Finger IV; 22-28 lamellae on Toe rV; tail length 63-70% of total length; posthumeral pocket Type 1 or 2. Sexual and geographic variation in measure- ments and scutellation of S. iridescens in
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