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Trachydactylus hajarensis (ARNOLD, 1980)

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Spacious Rock Gecko, Banded Ground Gecko 
SynonymBunopus spatalurus hajarensis ARNOLD 1980: 277
Bunopus spatalurus hajarensis — LEPTIEN 1991
Bunopus spatalurus hajarensis — SZCZERBAK & GOLUBEV 1996: 97
Bunopus spatalurus hajarensis — GROSSMANN et al. 2013
Trachydactylus hajarensis — POUS et al. 2015
Trachydactylus hajarensis — BURRIEL-CARRANZA et al. 2023 
DistributionN-Oman, United Arab Emirates.

Type locality: Wadi Ham, Masafi, [Hajar mountains] UAE (25° 18.5’ N, 56° 10’ E).  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: BMNH 2008.714 
DiagnosisDiagnosis: Differs from B. s. spatalums in its smaller size (up to 50 mm from snout to vent compared with up to at least 67 mm) and strongly keeled dorsal scales (Arnold 1980).


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CommentDistribution: for map see Pous et al. 2015. See map in Burriel-Carranza et al. 2019 for map in UAE, and Burriel-Carranza et al. 2023 for the whole range.

Phylogenomics: Burriel-Carranza et al. 2023 found that T. hajarensis is comprised by three well-defined population lineages which some species delimitation models suggested to be up to 4 species while others suggested only 1 species. These authors, however, suggest to maintain hajarensis as 1 species for the time being. 
EtymologyNamed after the type locality. 
References
  • 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
  • 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
  • Burriel-Carranza, B., Estarellas, M., Riaño, G., Talavera, A., Tejero-Cicuéndez, H., Els, J., & Carranza, S. 2023. Species boundaries to the limit: integrating species delimitation methods is critical to avoid taxonomic inflation in the case of the Hajar Banded Ground Gecko (Trachydactylus hajarensis). Molecular Phylogenetics and Evolution, 107834 - 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
  • 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, Wolfgang; Bernd-Michael Zwanzig, Thomas Kowalski & Hans-Jürgen Zilger 2013. Weitere ergänzende herpetologische Beobachtungen auf dem Saiq-Plateau und im Jebel al-Akhdar, Sultanat Oman. Sauria 35 (3): 23–31 - get paper here
  • Leptien, R. & H. J. Zilger 1991. Ein seltener Krallengecko, Bunopus spatalurus hajarensis Arnold, 1980. Sauria 13 (4): 23-25 - get paper here
  • Pous, P. de, Machado, L., Metallinou, M., Červenka, J., Kratochvíl, L., Paschou, N., Mazuch, T., Šmíd, J., Simó-Riudalbas, M., Sanuy, D. and Carranza, S. 2015. Taxonomy and biogeography of Bunopus spatalurus (Reptilia; Gekkonidae) from the Arabian Peninsula. Journal of Zoological Systematics and Evolutionary Research. doi: 10.1111/jzs.12107 - get paper here
  • Shcherbak, N. N. [= Szczerbak], and M. L. Golubev 1996. Gecko fauna of the USSR and contiguous regions. SSAR [Russian original published in 1986]. [book review in Salamandra 36 (2): 138]
  • 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
 
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