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Ptyodactylus orlovi NAZAROV, MELNIKOV & MELNIKOVA, 2013

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Higher TaxaPhyllodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common Names 
SynonymPtyodactylus orlovi NAZAROV, MELNIKOV & MELNIKOVA 2013
Ptyodactylus orlovi — LIVIGNI 2013: 351
Ptyodactylus orlovi — BURRIEL-CARRANZA et al. 2019 
DistributionOman, United Arab Emirates (UAE)

Type locality: Sultanate Oman, Ad Dakhiliyah region, Wadi Tanuf 23°04’ N, 57°09’ E, elevation 827 m  
Reproductionoviparous (manual imputation, fide Zimin et al. 2022) 
TypesHolotype: ZISP 26954, adult female, Leg. 25.02.2013 by R. Nazarov and J. Stenicka (Fig. 4). Paratypes. Female ZISP 26955 (No. 4) with the same data as holotype. Female ZISP 26956 (No. 1) from Sultanate Oman, Ad Dakhiliyah region, Wadi Ghul. 23°09’ N 57°12’ E, h = 847 m a.s.l., Leg. 25.02.2013 by R. Nazarov and J. Stenicka. Two male ZISP 26957 – 26958 (Nos. 3 and 5) from 25 km NW from Nizwa city, old fort in Alfeequin village — Al Manah. 22°47’ N 53°35’ E, h = 416 m a.s.l., Leg. 25.02.2013 by R. Nazarov and J. Stenicka; two male and one female ZISP 26959 – 26961 from North Oman (Figs. 8 and 9). Some type specimens will be transferred to ZMMU herpetological collection. 
DiagnosisDiagnosis: Medium-sized gecko, with maximum body length about 84 mm, tail a little shorter than body. Head narrow with elongated rostral part. Enlarged tuber- cles on the dorsum are small, 4 – 6 times bigger than surrounding scales, rounded shape slightly keeled. Dorsal head side covered by small homogenous scales, with en- larged rounded tubercles between them. There are no enlarged tubercles on the dorsal side of extremities. Tail segments not developed.
General color of dorsal body side is gray. There are 5 – 6 dark, not wide, horseshoe-shaped transversal bands on the back, with lighter rounded patches between them. Small rounded light patches irregularly cover side of the body. There is dark horseshoe-shaped band on the head sides beginning from the hind edge of eye-socket above ears to the occipital area. This band can be fragmented, especially well developed in young specimens.
Dorsal head pattern with some separated dark patches of irregular shape, with lighter rounded dots between them. There are 8 – 11 transversal dark bands on the tail, with spaces between them about same width or little bigger. Ventral body side white. Different types of coloration shown in Fig. 9 [Nazarov et al. 2013]. 
CommentDistribution: See map in Burriel-Carranza et al. 2019 for map in UAE. 
EtymologySpecies named in honor of Nikolai Orlov, Zoological Institute, St. Petersburg (Russia) in recognition of his contribution to herpetological research in Asia. 
  • 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
  • Burriel-Carranza, B., Els, J., & Carranza, S. 2022. Reptiles & amphibians of the Hajar Mountains CSIC, Barcino Solucions Gràfiques, SL, Barcelona, - 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
  • Farkas, Balázs; Balázs Buzás & Valér Farkas 2018. Additions to the herpetofauna of the Wadi Wurayah National Park, Fujairah. Tribulus 26: 42-45 - get paper here
  • LiVigni, F. (ed.) 2013. A Life for Reptiles and Amphibians, Volume 1. Chimaira, Frankfurt, 495 pp. - get paper here
  • Nazarov, Roman; Daniel Melnikov, Ekaterina Melnikova 2013. Three New Species of Ptyodactylus (Reptilia; Squamata; Phyllodactylidae) from the Middle East. Russ. J. Herpetol. 20 (2): 147-162 - get paper here
  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
  • ZWANZIG, B.-M. 2018. Angaben zur Höhenverbreitung und Lebensweise von Ptyodactylus orlovi Nazarov, Melnikov & Melnikova, 2013. Sauria 40 (2): 75-78 - get paper here
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