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Uromastyx aegyptia (FORSKAL, 1775)

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Higher TaxaAgamidae (Uromastycinae), Sauria (lizards) 
SubspeciesUromastyx aegyptia aegyptia (FORSKAL 1775)
Uromastyx aegyptia microlepis ARNOLD 1980
Uromastyx aegyptia leptieni WILMS & BÖHME 2000 
Common NamesE: Egyptian Mastigure, Egyptian Spiny–tailed Lizard
G: Ägyptischer Dornschwanz
E: Leptien’s Mastigure (leptieni)
G: Leptiens Dornschwanzagame (leptieni) 
SynonymLacerta aegyptia FORSKAL 1775: 13
Lacerta harbai FORSKAL 1775: 9
Stellio spinipes DAUDIN 1802: 31
Lacerta herbai MERREM 1820: 56 (nom. subst.)
Stellio spinipes — CUVIER 1831: 121
Uromastix spinipes — DUMÉRIL & BIBRON 1837: 541
Uromastix spinipes — BOULENGER 1885: 407
Uromastix spinipes — BOULENGER 1887: 407
Uromastix aegyptius — ANDERSON 1896: 79
Uromastyx aegyptius — SCHMIDT 1939
Uromastix aegyptius — SCHMIDT 1941
Uromastyx aegyptia — WILMS 2002: 16
Uromastyx aegyptia — WILMS et al. 2009

Uromastyx aegyptia leptieni WILMS & BÖHME 2000
Uromastyx leptieni WILMS & BÖHME 2000
Uromastyx leptieni — WILMS 2007
Uromastyx leptieni — SINDACO & JEREMČENKO 2008
Uromastyx aegyptia leptieni — WILMS et a. 2009

Uromastyx aegyptia microlepis ARNOLD 1980
Uromastix microlepis BLANFORD 1874
Uromastix microlepis — BOULENGER 1885: 407
Uromastix microlepis — SCHMIDT 1939
Uromastyx aegyptius microlepis – MERTENS 1956: 93
Uromastyx microlepis — HAAS 1957
Uromastyx microlepis — LEVITON & ANDERSON 1967: 164
Uromastyx microlepis — HORNBY 1996
Uromastyx aegyptius microlepis — CUNNINGHAM 2000
Uromastyx aegyptius microlepis — WILMS & WAGMANN 2007
Uromastyx aegyptia microlepis — WILMS et al. 2009
Uromastyx aegyptia microlepis — AL-SHAMMARI 2012 
DistributionLibya, Egypt (East of the Nile), Israel, N Saudi Arabia, Oman, Iraq, Iran, Syria, Jordan

leptieni: Oman, United Arab Emirates (vicinity of Muscat in the south through the Batina coastal plain and the eastern foothills of the Hajar al-Gharbi mountains to the Musandam Peninsula in the north); Type locality: Wadi Sijii, United Arab Emirates (UAE).

microlepis: deserts and semideserts of Arabia (Saudi Arabia, Yemen, Oman, United Arab Emirates, Qatar, Kuwait), in Jordan, Syria, Iraq and coastal Iran; Type locality: vicinity of Basrah, Iraq.

Type locality: Egypt. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
 
TypesNeotype: ZFMK 44216, and lectotype designated by Wilms & Böhme 2000.
Lectotype: BMNH 1946.8.14.55 [microlepis]
Holotype: ZFMK 52398, adult female, coll. R. LEPTIEN, VI. 1983 [leptieni] 
CommentOne of the largest species of the genus with a total length of up to 76 cm.

Type species: Stellio spinipes DAUDIN 1802 (= Uromastyx aegyptia) is the type species of the genus Uromastyx MERREM 1820.

Original definition (genus): Cauda squamis magnis crassis aculeatis verticillata” (Tail annulated by large, thick and spiny scales) (MERREM1820). Note that this definition appears to be the new definition by WILMS et al. (2009) excluding the new genus Saara.

Diagnosis (genus Uromastyx s. str.): Acrodont dentition, with the premaxillary bone forming in adult specimens a sharp, tooth- like structure replacing the incisive teeth. Tail scalation arranged in distinct whorls, which are not separated by intercalary scales dorsally.

Differential diagnosis (species): U. aegyptia is distinguished from U. thomasi and U. princeps by the longer tail (60.18–102.83 % of SVL in U. aegyptia vs. 25.00–36.16 % in U. thomasi and 34.62–52.55 % in U. princeps); from the species of the U. ocellata group and from 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. 2–8 whorls forming a continuous scale row in U. aegyptia; from the species of the U. acanthinura group by more scales around midbody (238–322 in U. aegyptia vs. 142–231 in the species of the U. acanthinura group). U. aegyptia is distinguished from U. occidentalis by having preanofemoral pores.

Differential diagnosis (aegyptia): The nominotypic subspecies is distinguished from U. a. microlepisby having enlarged tubercular scales scattered over the scalation of the flanks and by lower scale counts. It is distinguished from U. a. leptieniby a different juvenile colour pattern and a high- er number of ventrals (see WILMS& BÖHME2000 a).

Differential diagnosis (leptieni): Uromastyx a. leptieni is distinguished from aegyptiaand microlepisby a different juvenile colour pattern and a lower number of ventrals (see WILMS & BÖHME 2000 a).

Differential diagnosis (microlepis): Uromastyx a. microlepis is distinguished from U. a. aegyptia by lacking enlarged tubercular scales scattered over the scalation of the flanks and by smaller scales. It is distinguished from U. a. leptieni by a different juvenile colour pattern and a higher number of ventrals (see WILMS & BÖHME 2000 a). 
EtymologyNamed after its distribution in Egypt. 
References
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