Uromastyx nigriventris ROTHSCHILD & HARTERT, 1912
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Uromastyx nigriventris
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| Higher Taxa | Agamidae (Uromastycinae), Sauria, Iguania, Squamata (lizards) |
| Subspecies | |
| Common Names | E: Moroccan Spiny-tailed Lizard G: Marokko-Dornschwanz |
| Synonym | Uromastix acanthinurus nigriventris ROTHSCHILD & HARTERT 1912: 468 Uromastix acanthinurus werneri MÜLLER 1922: 201 Uromastix acanthinurus var. pluriscutata FEJÉRVÁRY 1927: 514 Uromastyx acanthinurus werneri — MERTENS 1962: 427 Uromastyx acanthinurus werneri — WERMUTH 1967: 102 Uromastix acanthinura nigriventris — WILMS 2007 Uromastix acanthinura nigriventris — WILMS et al. 2007 Uromastix acanthinura nigriventris — KOBER & GEISSEL 2007 Uromastyx nigriventris — WILMS et al. 2009 Uromastyx nigriventris — TAMAR et al. 2017 |
| Distribution | Morocco (east and south of the Atlas Mountain Chain), W Algeria (Sahara Atlas, NW/NE/SW of the Great Western Erg). Type locality: Tilrhempt between Laghouat and Ghardaia, Algeria. werneri: W Algeria through Morocco. Type locality: “Provinz Oràn” (= Ain Sefra?, fide MERTENS 1962, cited in WERMUTH 1967). |
| Reproduction | oviparous (not imputed, fide Zimin et al. 2022) |
| Types | Holotype: BMNH 1969.2074, male, coll. W. Rothschild and E. Hartert, without date (for remarks see WILMS& BÖHME 2001). |
| Diagnosis | Differential diagnosis: U. nigriventris is distinguished from U. thomasi and U. princeps by the longer and narrower tail (43.48–75.14 % of SVL in U. nigriventrisvs. 25.00–36.16 % in U. thomasi and 34.62–52.55 % in U. princeps); from the species of the U. ocellata group and U. macfadyeni by the arrangement of the annuli of the tail: last 8–21 forming a continuous scale row each (U. ocellata group and U. macfadyeni) vs. 2–5 whorls forming a continuous scale row in U. nigriventris; from U. aegyptia and U. occidentalis by the lower scale counts around midbody (238–322 in U. aegyptia, 297–301 in U. occi- dentalisvs. 139–208 in U. nigriventris), from U. geyri and U. alfredschmidti by the shorter tail (43.48–75.14 % of SVL in U. nigriventrisvs. 65.45–98.06 % in U. geyri and 79.31–87.26 % in U. alfredschmidti). Diagnostic characters between U. nigriventris and the subspecies of U. dispar are: lower number of scales around midbody [139–208 (mean: 170.63) in U. nigriventris vs. 187–227 (mean: 205) in U. d. dispar]; lower number of ventrals [66–99 (mean: 83.98) in U. nigriventris vs. 88–118 (mean: 104.5) in U. d. flavifasciata] and lower number of subdigital scales [9–17 (mean: 13.15) in U. nigriventris vs. 15–18 (mean: 16.4) in U. d. maliensis]. U. nigriventris is differentiated from U. acanthinura by being much more colourful, with vividly red, green and citreous coloured specimens. |
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