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Pristurus minimus ARNOLD, 1977

IUCN Red List - Pristurus minimus - Least Concern, LC

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Higher TaxaSphaerodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Arnold's Rock Gecko, Least Semaphore Gecko 
SynonymPristurus minimus ARNOLD 1977: 93
Pristurus minimus — KLUGE 1993
Pristurus minimus — RÖSLER 2000: 106
Pristurus minimus — TAMAR et al. 2019 
DistributionOman, S United Arab Emirates, E Yemen, Saudi Arabia

Type locality: Jazir coast, Oman (18° 30’ N, 56° 30’ E)  
TypesHolotype: BMNH 1969.312, female; paratypes: BMNH; Paratypes. BMNH 1969.313, adult female, same data as holotype; BMNH 1975.1017–1025, two adult males, five adult females, two juveniles, between Bai (1⁄4Bawi) and Salalah, Oman, collected by Wilfred Thesiger in February 1947. Previous paratypes BMNH 1971. 1010–1012, BMNH 1975.1033, BMNH 1975.3086–87 collected from Masirah Island should be re-evaluated. 
DiagnosisDiagnosis: A small species of Pristurus from Oman, UAE, Saudi Arabia, and Yemen, belonging to the Spatalura clade sensu Arnold (2009), characterized by the combination of the following characters: (1) small size (up to 28.4mm from snout to vent); (2) number of lower labial scales 4–5; (3) lateral down-growths of frontal bone not meeting on mid-line; (4) nasal process of premaxilla extending to about level of the anterior margins of orbits; (5) large area of contact between pal- atal sections of the maxillae behind the premaxilla; (6) low presacral vertebral count; (7) reduction of lateral arms of interclavicle; (8) nostril not bordered by rostral scale; (9) tails of males compressed, with sagittal ridges (Tamar et al. 2019: 10). 
CommentBehavior: mostly diurnal, b also active during the night.

Distribution: See map in Burriel-Carranza et al. 2019 for map in UAE. 
  • Al Mutairi, M., Alqahtani, A., Mir, Z. R., Ahmad, R., Alsubaie, S., & Smith, M. 2023. A new distribution record of Arnold’s Gecko, Pristurus minimus (Arnold, 1977)(Squamata, Sphaerodactylidae), in Saudi Arabia. Biodiversity Data Journal, 11, e101647
  • Arnold E N 1980. The scientific results of the Oman flora and fauna survey 1977 (Dhofar). The reptiles and amphibians of Dhofar, southern Arabia. JOURNAL OF OMAN STUDIES SPECIAL REPORT (No. 2): 273-332 - get paper here
  • Arnold, E. N. 1977. Little-known geckoes (Reptilia: Gekkonidae) from Arabia with descriptions of two new species from the Sultanate of Oman. The Scientific Results of the Oman Flora and Fauna Survey, 1975. Journal of Oman Studies, Special Report, (1):81—110 [1975]
  • Arnold, E.N. 2009. Relationships, evolution and biogeography of Semaphore geckos, Pristurus (Squamata, Sphaerodactylidae) based on morphology. Zootaxa 2060: 1-21 - get paper here
  • Burriel-Carranza B, Pedro Tarroso, Johannes Els, Andrew Gardner, Pritpal Soorae, Ahmed Ali Mohammed, Sai Ravi Krishna Tubati, Mohamed Mustafa Eltayeb, Junid Nazeer Shah, Héctor Tejero-Cicuéndez, Marc Simó-Riudalbas, Juan Manuel Pleguezuelos, Daniel F 2019. An integrative assessment of the diversity, phylogeny, distribution, and conservation of the terrestrial reptiles (Sauropsida, Squamata) of the United Arab Emirates. PLoS ONE 14(5): e0216273 - get paper here
  • 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
  • Carranza, Salvador; Johannes Els; Bernat Burriel-Carranza 2021. A field guide to the reptiles of Oman. Madrid : Consejo Superior de Investigaciones Científicas, 223 pp. [review in HR 53 (3): 531] - get paper here
  • Gardner, A.S. 2013. The amphibians and reptiles of Oman and the UAE. Edition Chimaira, 480 pp.
  • Gebhart, J. 2013. Oman, quer durch`s Weihrauchland - ein Reisetagebuch. L@CERTIDAE (Eidechsen Online) 2013 [8]: 142-159 - get paper here
  • Henkel, F.-W. 2003. Herpetological expedition through Oman. Reptilia (GB) (27): 50-55 - get paper here
  • Jongbloed, M. 2000. Field Guide to the reptiles and amphibians of the UAE - Wild about reptiles. Barkers Trident Communications, 116 pp.
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Rösler, H.; Köhler, J. & Böhme, W. 2008. A new species of the diurnal gekkonid genus Pristurus Rüppell, 1835 from the Red Sea island Hanish al-Kabir, Yemen. Amphibia-Reptilia 29: 217-227 - 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; Pelagia Mitsi, Marc SimÓ-Riudalbas, Héctor Tejero-Cicuéndez, Thuraya Al-Sariri & Salvador Carranza 2019. Systematics, biogeography, and evolution of Pristurus minimus (Squamata, Sphaerodactylidae) with the discovery of the smallest Arabian vertebrate. Systematics and Biodiversity, DOI: 10.1080/14772000.2019.1614694 - get paper here
  • van der Kooij, Jeroen 2001. The herpetofauna of the Sultanate of Oman: Part 2: the geckoes. Podarcis 1 (4): 105-123 - get paper here
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