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Uromastyx occidentalis MATEO, GENIEZ, LOPEZ-JURADO & BONS, 1999

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Higher TaxaAgamidae (Uromastycinae), Sauria, Iguania, Squamata (lizards)
Common Names 
SynonymUromastyx occidentalis MATEO, GENIEZ, LOPEZ-JURADO & BONS 1999
Uromastyx occidentalis — WILMS 2007
Uromastyx occidentalis — WILMS et al. 2009 
DistributionWestern Sahara

Type locality: Aagtel Agmumuit, between Yeloua and Mades (Adrar Souttouf, Western Sahara) (21° 52'N, 15° 31'W)  
TypesHolotype: ULPGC (also as DBULPGC) 5 collected by M. Hasi June 25th 1995. Paratype: E.B.D.29495 
DiagnosisDifferential diagnosis: U. occidentalis is distinguished from U. thomasi and U. princeps by the longer tail; 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. less than 7 whorls forming a continuous scale row in U. occidentalis; from the species of the U. acanthinura group by more scales around midbody (297–301 in U. occidentalis vs. 142–231 in the species of the U. acanthinura group). U. occidentalis is distinguished from U. aegyptia by lacking preanofemoral pores. 
CommentThis species is known from only 2 specimens. 
EtymologyThe specific name occidentalis (Latin) refers to the western distribution of this species. 
  • Geniez, P.; Mateo, J.A.; Geniez, M. & Pether, J. 2004. The amphibians and reptiles of the Western Sahara (former Spanish Sahara) and adjacent regions. Edition Chimaira, Frankfurt, 228 pp. [reviewed in Reptilia GB 44: 81]
  • Mateo, J.A., GENIEZ, P., LOPEZ-JURADO, L. F., BONS, J. 1999. Chorological analysis and morphological variations of Saurians of the genus Uromastyx (Reptilia: Agamidae) in western Sahara. Description of two new taxa. Revista Española de Herpetologia 12: 97-109 - get paper here
  • Sindaco, R. & Jeremcenko, V.K. 2008. The reptiles of the Western Palearctic. Edizioni Belvedere, Latina (Italy), 579 pp. - get paper here
  • Tamar, Karin; Margarita Metallinou , Thomas Wilms , Andreas Schmitz , Pierre‐André Crochet , Philippe Geniez , Salvador Carranza 2017. Evolutionary history of spiny-tailed lizards (Agamidae: Uromastyx) from the Saharo-Arabian region. Zool Scripta 2017;00:1–15 - get paper here
  • Trape, J.F.; Trape, S. & Chirio, L. 2012. Lézards, crocodiles et tortues d'Afrique occidentale et du Sahara. IRD Orstom, 503 pp. - get paper here
  • Wilms, T. 2001. Dornschwanzagamen, 2. Aufl. Herpeton, Offenbach, 142 pp. - get paper here
  • Wilms, T. 2007. Dornschwanzagamen der Gattung Uromastyx - Einführung in Taxonomie und Ökologie einer auf Wüsten spezialisierten Echsengruppe. Draco 8 (31): 4-19 - get paper here
  • Wilms, Thomas; Böhme, Wolfgang; Wagner, Philipp; Lutzmann, Nicolà; Andreas Schmitz 2009. On the Phylogeny and Taxonomy of the Genus Uromastyx Merrem, 1820 (Reptilia: Squamata: Agamidae: Uromastycinae) – Resurrection of the Genus Saara Gray, 1845. Bonner zoologische Beiträge 56: 55-99 - get paper here
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