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Diplodactylus galeatus KLUGE, 1963

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Higher TaxaDiplodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Helmeted Gecko 
SynonymDiplodactylus galeatus KLUGE 1963
Diplodactylus galeatus — KLUGE 1993
Diplodactylus galeatus — COGGER 2000: 218
Diplodactylus galeatus — WILSON & SWAN 2010
Diplodactylus galeatus — MCDONALD et al. 2024 
DistributionAustralia (mountainous areas of S Northern Territory and N South Australia)

Type locality: Stuart Range, S. A.  
Reproductionoviparous 
TypesHolotype: SAMA R973 
DiagnosisDiagnosis (Diplodactylus galeatus species complex). All three species in the D. galeatus complex can be differentiated from all other Diplodactylus by the following combination of characters: medium size (to 56 mm); robust build and relatively short (44–60% of SVL) thick tail with regular annuli of slightly enlarged tubercles separated by rows of smaller scales; enlarged dorsal scales up to twice diameter of ventral scales; snout rounded in profile; supralabials and infralabials much larger than bordering loreals; rostral scale in contact with nostril; expanded apical lamellae on all digits; top of head pale yellowish-brown and bordered posteriorly by a rounded dark line; dorsum of body pinkish red to dark red with three to eight dark-edged pale yellowish-brown blotches; and ventral surface uniform white without any pattern. Species in D. galeatus complex specifically differ from other Australian Diplodactylus as follows: from D. ameyi, D. barraganae, D. bilybara, D. calcicolus, D. capensis, D. conspicillatus, D. custos, D. fuller, D. furcosus, D. galaxias, D. granariensis, D. hillii, D. kenneallyi, D. laevis, D. lateroides, D. mitchelli, D. nebulosus, D. ornatus, D. platyurus, D. polyophthalmus, D. savage, D. tessellatus, D. vittatus, and D. wiru by the presence of a series of pale yellowish-brown, dark-edged dorsal blotches on the body and tail; from the eight species in the D. conspicillatus complex (D. ameyi, D. barraganae, D. bilybara, D. conspicillatus, D. custos, D. hillii, D. laevis, and D. platyurus) by the presence of enlarged supralabials (versus absent) and terminal lamellae on fingers noticeably wider than digit (versus not wider); from D. galaxias, D. kenneallyi, D. pulcher, and D. savagei in having rostral scale in contact with nostril (versus nostril separated from rostral by small scale); from D. calcicolus, D. capensis, D. furcosus, D. granariensis, D. nebulosus, D. vittatus and D. wiru by the supra and infralabial scales being wider than tall (versus approximately square); from D. lateroides and D. polyophthalmus by the presence of dark edges to the dorsal blotches; and from D. mitchelli and D. ornatus by the absence of a continuous vertebral stripe (rarely present in the D. galeatus species complex). (McDonald et al. 2024)


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CommentGroup: Diplodactylus vittatus group 
EtymologyNamed after Latin “galeatus” meaning helmeted, from Latin galea = helmet, referring to the streak on the head appearing like a helmet. 
References
  • Cogger, H. G. 2014. Reptiles and Amphibians of Australia, 7th ed. CSIRO Publishing, xxx + 1033 pp. - get paper here
  • Cogger, H.G. 2000. Reptiles and Amphibians of Australia, 6th ed. Ralph Curtis Publishing, Sanibel Island, 808 pp.
  • Jolly, C., Schembri, B., & Macdonald, S. 2023. Field Guide to the Reptiles of the Northern Territory. CSIRO Publishing, Melbourne - get paper here
  • Kluge, A. G. 1963. Three new species of the gekkonid lizard genus Diplodactylus Gray from Australia. Rec. South Austral. Mus. 14: 545-553 - get paper here
  • Laube, A. & Langner, C. 2007. Die “Geckos” Australiens. Draco 8 (29): 4-21 - get paper here
  • Laube, A. & R. Seipp 1999. Erste Erfahrungen bei der Pflege und Zucht von Diplodactylus galeatus Kluge, 1963. Sauria 21 (1): 29-32 - get paper here
  • McDonald, P. J., Fenner, A. L., Torkkola, J., & Oliver, P. M. 2024. Vicars in the desert: Substrate specialisation and paleo-erosion underpin cryptic speciation in an Australian arid-zone lizard lineage (Diplodactylidae: Diplodactylus). Vertebrate Zoology, 74, 577-594 - get paper here
  • Oliver, Paul; Andrew Hugall, Mark Adams, Steven J.B. Cooper and Mark Hutchinson 2007. Genetic elucidation of cryptic and ancient diversity in a group of Australian diplodactyline geckos: The Diplodactylus vittatus complex. Molecular Phylogenetics and Evolution 44 (1): 77-88 - get paper here
  • PALM, N. 2020. Wie man Schlüpflinge von Diplodactylus galeatus Kluge, 1963 ans Futter bekommt. Sauria 42 (2): 52-53
  • Rösler, Herbert 2017. Gecko-Chorologie (Squamata: Gekkota). Gekkota (4): 1-160
  • Wilson, S. & Swan, G. 2010. A complete guide to reptiles of Australia, 3rd ed. Chatswood: New Holland, 558 pp.
 
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