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Uromastyx benti (ANDERSON, 1894)

IUCN Red List - Uromastyx benti - Least Concern, LC
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Higher TaxaAgamidae (Uromastycinae), Sauria, Iguania, Squamata (lizards)
Subspecies 
Common NamesE: Yemeni Spiny-tailed Lizard, Bent's Mastigure
G: Jemen-Dornschwanzagame 
SynonymAporoscelis benti ANDERSON 1894: 376
Uromastix (Aporoscelis) benti – ANDERSON1896: 33
Uromastix simonyi STEINDACHNER 1899: 143
Uromastyx benti – PARKER 1938: 486
Aporoscelis benti — SCHMIDT 1939
Uromastix philbyi – HAAS& BATTERSBY 1959: 202
Uromastyx benti — WERMUTH 1967: 102
Uromastyx ocellata – SCHÄTTI & DESVOIGNES 1999: 39
Uromastyx benti — WILMS 2002: 14
Uromastyx benti — WILMS et al. 2009
Uromastyx benti — TAMAR et al. 2017 
DistributionYemen, SW Oman

Type locality: Makulla, Hadramut, SE Arabia; lectotype from Wadi Hadramaut, Yemen.  
Reproductionoviparous 
TypesLectotype: BMNH 1946.8.11.72, adult male, leg. Dr. J. Anderson, without date (designated by WILMS& BÖHME 2000 b). Paralectotypes (former syntypes): MNHN-RA 1895.43 (2182 alpha).
Syntypes: NMW [Uromastix simonyi] 
DiagnosisIllustrations of newborn U. benti and variations of adults are in WILMS (2002: 22, 28). Not in Saudi Arabia fide WILMS et al. 2009. Iguana 27 (2): 33 (2014).
 
CommentIllustrations of newborn U. benti and variations of adults are in WILMS (2002: 22, 28). Not in Saudi Arabia fide WILMS et al. 2009. Iguana 27 (2): 33 (2014).

Differential diagnosis: Uromastyx benti is distinguished from U. thomasi and U. princeps by the significantly longer tail. From all remaining species of the genus (with the exception 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 (all other Uromastyx species). From U. ocellata, U. ornata and U. macfadyeni the species differs in lacking femoral and preanal pores.

Uromastyx benti differs from U. shobraki and U. yemenensis in having larger scales around midbody (188.92 +/13.22 in U. shobraki, 197.44 +/- 20.9463 in U. yemenensisvs. 160.05 +/- 8.98 in U. benti) and larger ventrals (86.64 +/- 4.88 in U. shobraki, 88.25 +/- 6.98 in U. yemenensisvs. 74 +/- 4.02 in U. benti), but also in significant genetic differences. 
EtymologyNamed after James Theodore Bent (1852-1897), an explorer, archeologist, and author who graduated from Oxford (1875). 
References
  • Anderson, J. 1894. On two new species of agamoid lizards from the Hardramut, South-Eastern Arabia. Ann. Mag. nat. Hist. (6) 14: 377 - get paper here
  • Anderson, John 1901. A list of the reptiles and batrachians obtained by Mr. A. Blayney Percival in southern Arabia. Proc. Zool. Soc. London 1901 (2): 137-152 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Brygoo, E.R. 1988. Les types d’Agamidés (Reptiles, Sauriens) du Muséum national d’Histoire naturelle Catalogue critique. Bull. Mus. Nat. Hist. Nat. 10 (ser. 4) A (3), suppl.: 1-56
  • Carranza S, Xipell M, Tarroso P, Gardner A, Arnold EN, Robinson MD, et al. 2018. Diversity, distribution and conservation of the terrestrial reptiles of Oman (Sauropsida, Squamata). PLoS One 13 (2): e0190389 - get paper here
  • Gebhart, J. 2013. Oman, quer durch`s Weihrauchland - ein Reisetagebuch. L@CERTIDAE (Eidechsen Online) 2013 [8]: 142-159 - get paper here
  • Gemel, R.; G. Gassner & S. Schweiger 2019. Katalog der Typen der Herpetologischen Sammlung des Naturhistorischen Museums Wien – 2018. Ann. Naturhist. Mus. Wien, B 121: 33–248
  • GROSSMANN, W., ZWANZIG, B.-M., KOWALSKI, T. & ZILGER, H.-J. 2015. Anmerkungen zu Verbreitung, Lebensweise und Gefährdung der Jemen-Dornschwanzagame Uromastyx benti (Anderson, 1894) im Sultanat Oman. Sauria 37 (3): 3-15 - get paper here
  • Okajima Y, Kumazawa Y 2010. Mitochondrial genomes of acrodont lizards: timing of gene rearrangements and phylogenetic and biogeographic implications. BMC Evolutionary Biology 10:141 - get paper here
  • Pierson, T. W. & Papenfuss, T. J. 2012. Uromastyx benti (Bent's spiny-tailed lizard) maximum elevation. Herpetological Review 43: 491 - get paper here
  • Schmidt,K.P. 1939. Reptiles and amphibians from Southwestern Asia. Publ. Field Mus. nat. Hist., zool. Ser., 24: 49-92 - get paper here
  • Seufer, H. et al. 1998. Kurzmiteilung: Erstnachweis von Uromastyx benti Anderson, 1894 für den Oman (Provinz Dhofar). Herpetofauna 20 (114): 22-23 - get paper here
  • Seufer, H.; Kowalski, T. & Zilger, H.J. 2007. Die Dornschwanzagamen des Sultanats Oman. Draco 8 (31): 67-74 - get paper here
  • Sindaco, R. & Jeremcenko, V.K. 2008. The reptiles of the Western Palearctic. Edizioni Belvedere, Latina (Italy), 579 pp. - get paper here
  • Steindachner, Franz 1903. Batrachier und Reptilien von Südarabien und Sokotra, gesammelt während der südarabischen Expedition der kaiserlichen Akademie der Wissenschaften. Sitzungsb. Akad. Wiss. Wien, math.-naturwiss. Kl., 112, Abt. 1: 7-14 - get paper here
  • Steindachner,F. 1899. Ueber eine neue Uromastix-Art, U. simonyi. Anz. Akad. Wiss. Wien, math.-naturwiss. Kl., 36: 143-144 - 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
  • van der Kooij, Jeroen 2001. The herpetofauna of the Sultanate of Oman: Part 1: The amphibians, worm lizards, agamas and chameleons. Podarcis 1 (3): 71-83 - 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. 2002. Uromastyx - spiny-tailed agamas. Reptilia (GB) (21): 12-18 - 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 M. and Wolfgang Böhme 2007. Review of the taxonomy of the spiny-tailed lizards of Arabia (Reptilia: Agamidae: Leiolepidinae: Uromastyx). FAUNA OF ARABIA 23: 435–468 - 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
  • Wilms,T. 1995. Dornschwanzagamen. MÜNSTER: 130 (ISBN 3-9802892-5-7) - get paper here
  • ZILGER, H.-J., ZWANZIG, B.-M., GROSSMANN, W., KOWALSKI, T. & BALLANDAT, S. 2016. Neue Angaben zur Verbreitung der Jemen-Dornschwanzagame Uromastyx benti (Anderson, 1894) im Sultanat Oman. Sauria 38 (4): 3-7 - get paper here
 
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