Anolis eugenegrahami SCHWARTZ, 1978
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Anolis eugenegrahami
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| Higher Taxa | Anolidae, Iguania, Sauria, Squamata (lizards) |
| Subspecies | |
| Common Names | E: Black Stream Anole, Eugene's Anole |
| Synonym | Anolis eugenegrahami SCHWARTZ 1978: 266 Anolis eugenegrahami — SCHWARTZ & HENDERSON 1991: 260 Anolis eugenegrahami — NICHOLSON et al. 2005 Xiphosurus eugenegrahami — NICHOLSON et al. 2012 Xiphosurus eugenegrahami — NICHOLSON et al. 2018 |
| Distribution | Hispaniola (Departement du Nord) Type locality: Roche Parfait, 9.0 km NE Plaisance, 215 m, Département du Nord, Haiti. |
| Reproduction | oviparous |
| Types | Holotype: CM 60515. |
| Diagnosis | DESCRIPTION: Size moderate (SVL in males to 72 mm, in females to 61 mm); 5-7 (mode 5) rows of loreals; scales between supraorbitals 2-4; 6-10 scales between interparietal and supraorbital semicircles; interparietal very small, equal to about 113-1/4 auricular opening; 4-8 (mode 6) postrostrals; 5-7 (mode 6) postmentals; suboculars separated by 1 row of scales from supralabials; dorsal scales tiny, with about 4 middorsal rows elongate, smooth to very weakly keeled; flank scales granular; ventral scales small, smooth, cycloid, in vague, transverse rows; supra-digital scales multicarinate; tail very compressed, vertically oval in cross section, strongly verticillate, 4-5 middorsals/verticil, 4-5 unicarinate midventrals/verticil near base, lateral caudals unicarinate. Dorsum moderately sexually dichromatic: males black to greenish black dorsally, females black but mottled greenish laterally and with a middorsal series of 4 ovate gray blotches extending onto dorsal side of yellowish green tail; a whitish to very pale yellow subocular semicircle; nape pattern (clearest in females and juveniles, much obscured in males) a dark-edged hollow "collar"; upper surface of head randomly vermiculate black on olive to gray ground; juveniles with green flank stripe, absent in all adults; dewlap relatively small, black to dark gray centrally, edged with whitish to very pale yellow, scales elongate to papillose, slightly larger than throat scales, crowded together and not in well-spaced rows, those on dewlap edge even more crowded, keeled (Schwartz & Henderson 1991: 260). |
| Comment | Species group: Xiphosurus cuvieri species group (fide NICHOLSON et al. 2012). Abundance: only known from the type locality (Meiri et al. 2017). Habitat: semi-aquatic (Baeckens et al. 2021) |
| Etymology | Named after Eugene D. Graham Jr., the co-discoverer of the lizard with Thomas Thurmond and Schwartz. |
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