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Elasmodactylus tuberculosus BOULENGER, 1895

IUCN Red List - Elasmodactylus tuberculosus - Least Concern, LC
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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Warty Thick-toed Gecko 
SynonymElasmodactylus tuberculosus BOULENGER 1895: 727
Pachydactylus boulengeri TORNIER 1897: 26
Elasmodactylus triedrus BOULENGER 1913: 104
Elasmodactylus triedrus — LOVERIDGE 1920: 140
Pachydactylus boulengeri — LOVERIDGE 1923
Pachydactylus tuberculosus — WITTE 1953: 39
Pachydactylus boulengeri — MERTENS 1938
Pachydactylus tuberculosus — KLUGE 1993
Pachydactylus tuberculosus — BROADLEY & HOWELL 1991: 9
Pachydactylus tuberculosus — RÖSLER 2000: 99
Pachydactylus tuberculosus — HAAGNER et al. 2000
Pachydactylus tuberculosus — SPAWLS et al. 2001
Elasmodactylus tuberculosus — BAUER & LAMB 2005
Elasmodactylus tuberculosus — SPAWLS et al. 2018: 119 
DistributionS Democratic Republic of the Congo (Zaire), Tanzania,
Zimbabwe (Katanga/Kikondja Tabora + Kakoma), Zambia

Type locality: Lower Congo  
Reproductionoviparous 
TypesType: BMNH 1946.8.26.63 (and possibly additional specimens). 
DiagnosisDiagnosis (genus): Elasmodactylus may be diagnosed by the following suite of characteristics: body large, robust (adults > 75 mm SVL); skull surface smooth; digit I of manus and pes hyperphalangic (phalangeal formulae 3-3-4-5-3 manus and 3-3-4-5-4 pes), digits broadly dilated, bearing 8-14 undivided subdigital lamellae beneath digit IV of pes, lacking paraphalanges and interdigital webbing; males with series of precloacal pores; tail depressed; dorsal skin tuberculate, fragile. Precloacal pores are primitively absent in the Pachydactylus Group as a whole, and independent reversals have occurred in Elasmodactylus and some Rhoptropus (Bauer & Good 1996). Fragile skin, which may be used in regional integumentary loss, a predator escape strategy (Bauer et al. 1989; Bauer et al. 1993), has apparently evolved independently in Elasmodactylus and the P. namaquensis group (from BAUER & LAMB 2005).


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CommentType Species: Elasmodactylus tuberculosus BOULENGER 1895 is the type species of the genus Elasmodactylus BOULENGER 1895.

Reference images: see Uetz et al. 2024 for high-resolution reference images for this species. 
EtymologyNamed after its dorsal tubercles.

The genus was named after Greek elasma = (metal) plate, wall, and Greek daktylos = fingers, toes. 
References
  • Bauer, A.M. & Lamb, T. 2005. Phylogenetic relationships of southern African geckos in the Pachydactylus group (Squamata: Gekkonidae). African Journal of Herpetology 54 (2): 105-129 - get paper here
  • Boulenger, G. A. 1913. Description de deux reptiles nouveaux provenant du Katanga. Revue Zoologique Africaine, 3:103-105 - get paper here
  • Boulenger, G.A. 1895. Second report on additions to the lizard collection in the Natural History Museum. Proc. Zool. Soc. London 1894: 722-736 [published in April 1895 fide A. Bauer] - get paper here
  • Broadley, D. G. & HOWELL, K. M. 1991. A check list of the reptiles of Tanzania, with synoptic keys. Syntarsus 1: 1—70
  • Broadley, Donald G. and F. P. D. Cotterill. 2004. The reptiles of southeast Katanga, an overlooked 'hot spot'. [Congo]. African Journal of Herpetology 53 (1): 35-61. - get paper here
  • Haagner,G.V.; Branch,W.R. & Haagner,A.J.F. 2000. Notes on a collection of reptiles from Zambia and adjacent areas of the Democratic Republic of the Congo. Annals of the Eastern Cape Museum 1: 1 – 25
  • Lamb, Trip and Aaron M. Bauer 2002. Phylogenetic relationships of the large-bodied members of the African lizard genus Pachydactylus (Reptilia: Gekkonidae). Copeia 2002 (3) :586-596 - get paper here
  • Loveridge, A. 1920. Notes on East African lizards collected 1915-1919, with description of a new genus and species of skink and new subspecies of gecko. Proc. Zool. Soc. London 1920: 131-167 - get paper here
  • Loveridge, A. 1923. Notes on East African lizards collected 1920-1923 with the description of two new races of Agama lionotus Blgr. Proc. Zool. Soc. London 1923: 935-969 - get paper here
  • Mertens, R. 1938. Über eine herpetologische Sammlung aus dem Gebiete des Njarasa-Grabens Ost-Afrikas. Veröffentlichungen aus dem Deutschen Kolonial- und Übersee-Museum in Bremen 2 (1): 1-9 [no page numbers]
  • Pietersen, Darren, Verburgt, Luke & Davies, John 2021. Snakes and other reptiles of Zambia and Malawi. Struik Nature / Penguin Random House South Africa, 376 pp., ISBN 9781775847373
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Spawls, S.; Howell, K.; Drewes, R.C. & Ashe, J. 2002. A field guide to the reptiles of East Africa. Academic Press, 543 pp. [reviews in HR 34: 396 and Afr. J. Herp. 51; 147] - get paper here
  • Spawls, Steve; Kim Howell, Harald Hinkel, Michele Menegon 2018. Field Guide to East African Reptiles. Bloomsbury, 624 pp. - get paper here
  • Tornier,G. 1897. Die Kriechthiere Deutsch-Ostafrikas. Beiträge zur Systematik und Descendenzlehre. D. Reimer, Berlin, 164 pp. - get paper here
  • Uetz, P.H.; Patel, M.; Gbadamosi, Z.; Nguyen, A.; Shoope, S. 2024. A Reference Database of Reptile Images. Taxonomy 4: 723–732 - get paper here
  • Witte, G. F. de 1953. Reptiles. Exploration du Parc National de l'Upemba. Mission G. F. de Witte en collaboration avec W. Adam, A. Janssens, L. Van Meel et R. Verheyen (1946–1949). Institut des Parcs Nationaux du Congo Belge. Brussels, vol. 6, 322 pp. - get paper here
 
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