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Uromastyx macfadyeni PARKER, 1932

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Higher TaxaAgamidae (Uromastycinae), Sauria, Iguania, Squamata (lizards) 
Common NamesE: Macfadyen’s Mastigure
G: Macfadyens Dornschwanzagame 
SynonymUromastix macfadyeni PARKER 1932: 353
Uromastix ocellatus – TORNIER 1905: 372 (fide PARKER 1932)
Uromastyx macfadyeni — LANZA 1983: 208
Uromastyx ocellata macfadyeni — LANZA 1988
Uromastyx macfadyeni — WILMS 2001
Uromastyx macfadyeni — WILMS et al. 2009
Uromastyx macfadyeni — TAMAR et al. 2017 
DistributionNW Somalia (West Galbeed)

Type locality: Berbera, British Somaliland (”Berbara” fide WILMS et al. 2009).  
TypesHolotype: BMNH 1946.8.14.54 (formerly BMNH 1925.4.3.1) 
DiagnosisDifferential diagnosis: Uromastyx macfadyeniis distinguished from U. thomasi and U. princepsby the significantly longer tail. From all remaining species of the genus (with the exception of the U. ocellata group) 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 (all other Uromastyx species). From U. benti, U. shobraki and U. yemenensis the species differs in possessing preanofemoral pores and from U. ocellatain having enlarged scales on the anterior margin of the ear opening. From U. ornatait is distinguished by a different ratio between tail width at the 5th tail whorl and between 4th and 5th whorl (tail width between the 4th and 5th whorl equivalent to 63–79 % of maximum tail width at the 5th whorl in U. ornata vs. tail width between the 4thand 5thwhorl equivalent to 56–62 % of maximum tail width at 5th whorl in U. macfadyeni). 
CommentAn illustration of the holotype is in WILMS (2002: 27). 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Lanza, B. 1990. Amphibians and reptiles of the Somali Democratic Republic: check list and biogeography. Biogeographia, 14: 407-465 [1988]
  • Lanza,B. 1983. A list of the Somali amphibians and reptiles. MONITORE ZOOLOGICO ITALIANO, new Ser., SUPPL. 18 (8): 193-247
  • Mazuch, Tomáš 2013. Amphibians and Reptiles of Somaliland and Eastern Ethiopia. Tomáš Mazuch Publishing, 80 pp. ISBN: 978-80-905439-0-4 - get paper here
  • Parker, H. W. 1942. The lizards of British Somaliland. Bull. Mus. Comp. Zool. Harvard 91: 1—101 - get paper here
  • Parker,H.W. 1932. Two collections af amphibians and reptiles from British Somaliland. Proc. Zool. Soc. London 1932: 335-367
  • 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
  • Wilms, T. 2001. Dornschwanzagamen, 2. Aufl. Herpeton, Offenbach, 142 pp. - get paper here
  • Wilms, T. 2002. Habits, care and breeding of spiny-tailed agamas (the Uromastyx-ocellata complex as an example). Reptilia (GB) (21): 19-29 - 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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