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Pachydactylus tsodiloensis HAACKE, 1966

IUCN Red List - Pachydactylus tsodiloensis - Near Threatened, NT

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Tsodilo Thick-toed Gecko 
SynonymPachydactylus tsodiloensis HAACKE 1966: 1
Pachydactylus tsodiloensis — AUERBACH 1987: 85
Pachydactylus tsodiloensis — KLUGE 1993
Pachydactylus tsodiloensis — RÖSLER 2000: 99
Pachydactylus tsodiloensis — BAUER et al. 2006
Pachydactylus tsodiloensis — MASHININI & MAHLANGU 2013 
DistributionNW Botswana (Tsodilo Hills)

Type locality: “Tsodilo Hills, N.W. Ngamiland, Bechuanaland [Botswana] (about 18°42′S., 21°45′E., elevation about 1,500
TypesHolotype: DNMNH (= TM) 30943, coll. W.D. Haacke, 17–19 April 1965 
DiagnosisDIAGNOSIS.—To 60.0 mm SVL(Haacke 1966). May be distinguished from all other members of the P. serval/weberi group by the combination of the following characters: rostral (and sometimes 1st supralabial) excluded from nostril; supranasals in broad contact anteriorly or separated by one or more granules; scales on dorsum of head granular, those on snout much comparable in size to largest scales of interorbital region; dorsal scalation heterogeneous, consisting of small flattened scales interspersed with much larger tubercles bearing a single central keel, tubercles becoming larger laterally and conical rather than keeled towards flanks; tubercles in 16–18 rows; thighs bearing enlarged keeled or conical tubercles; toes relatively short, toe pads relatively broad; typically 6–7 under digit IVof pes; tail to at least 125% of SVL, annulate, bearing whorls of relatively small, keeled, well-separated tubercles; adult pattern yellowish, grayish or russet with regular to irregular thick light (white, gray or yellow) bands with somewhat narrower dark brown borders, either extending across width of body or breaking up onto flanks; usually five (occasionally six) bands: one on nape, one across shoulders, two on mid trunk and one anterior to sacrum (Fig. 71 in Bauer et al. 2006; see also Haacke 1966: plate I; Barts and Haacke 1997, fig. 5; Barts et al. 2001, figs. 1, 5–6); juvenile pattern similar to adult (Haacke 1966, plate I; Barts et al. 2001, figs. 3–4). Dorsal bands may become obscured in larger adults, although a vague alternating light and dark pattern remains discernable.
CommentCONSERVATION STATUS.—The Tsodilo Hills are remote and have been designated a World Heritage Site because of their many rock paintings. Pachydactylus tsodiloensisis probably under no serious threat from human activity.

Distribution: see map in BRANCH et al. 2011.

Bauer and Lamb (2003) presented evidence that P. tsodiloensisis closely related to P. waterbergensis.

Abundance: only known from the type locality (Meiri et al. 2017). 
EtymologyNamed after the type locality. 
  • Auerbach, R.D. 1987. The Amphibians and Reptiles of Botswana. Mokwepa Consultants, Botswana, 295 pp.
  • Barts, M. & HAACKE, W.D. 1997. Zur Reptilienfauna der Tsodilo-Berge und angrenzender Gebiete in NW-Botswana - Teil I: Testudines: Testudinidae; Sauria I. Sauria 19 (1): 3-12 - get paper here
  • Barts, M., Boone,J. & Hulbert,F. 2001. Die Dickfingergeckos des südlichen Afrikas, Teil I: Die Haltung und Vermehrung des Tsodilo-Geckos, Pachydactylus tsodiloensis HAACKE 1966. Sauria 23 (3): 15-19 - get paper here
  • Bauer, A.M. & Lamb, T. 2003. A new species of the Pachydactylus weberi-group (Reptilia: Squamata: Gekkonidae) from the Waterberg Plateau, Namibia. Cimbebasia 19: 1-12
  • Branch, William R.; Aaron M. Bauer, Todd R. Jackman, and Matthew Heinicke 2011. A New Species of the Pachydactylus weberi Complex (Reptilia: Squamata: Gekkonidae) from the Namibrand Reserve, Southern Namibia. Breviora (524): 1-15. - get paper here
  • Haacke, W. D. 1966. A new gekko (Sauria, Geckonidae) from Bechuanaland. Arnoldia 2 (25): 1-7
  • Mashinini, P. L. and Mahlangu, L. M. 2013. An annotated catalogue of the types of gekkonid lizards (Reptilia: Squamata: Gekkonidae) in the Herpetology collection of the Ditsong National Museum of Natural History, South Africa. Annals of the Ditsong National Museum of Natural History 3: 165-181
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
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