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Diporiphora bennettii (GRAY, 1845)

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Higher TaxaAgamidae (Amphibolurinae), Sauria, Iguania, Squamata (lizards)
Common NamesE: Kimberley sandstone dragon, Robust Two-line Dragon 
SynonymGindalia bennettii GRAY 1845
Diporiphora bennettii — BOULENGER 1885: 395
Diporiphora bennettii — COGGER 1983
Diporiphora bennettii — MANTHEY & SCHUSTER 1999: 53
Diporiphora bennettii — COGGER 2000: 329
Diporiphora bennettii — WILSON & SWAN 2010
Diporiphora bennettii — MELVILLE et al. 2019: 36
Diporiphora bennettii — CHAPPLE et al. 2019: 75 
DistributionNW Australia (Western Australia: Kimberleys to adjacent Northern Territory)

Type locality: "N. W. Coast of Australia".  
TypesHolotype: BMNH 1946.8.12.77 
DiagnosisDiagnosis. Small body size (to 55 mm SVL) and short tail (<2.0 × SVL), with robust habitus and wide head with short snout. Gular fold present, post-auricular fold strong, scapular fold weak. Dorsals homogeneous, scales in axilla not granular. Lacks dorsolateral stripes. Usually lacks dark smudge on tympanum, although some individuals have a faint dark spot on posterior edge of tympanum. Pre-cloacal pores 2; femoral pores 0 (Melville et al. 2019: 36).

Comparison to other species. This species is similar to D. perplexa sp. nov., with extensive distributional overlap and occurring in similar habitats, but differs in having a much smaller body size, a short tail and no dorsolateral stripes. It differs from D. albilabris in having a smaller body size, a short tail, no femoral pores, homogeneous dorsal scales and in pattern by lacking any prominent vertebral or dorsolateral stripes. It differs from D. magna and D. margaretae in having a smaller body size, a short tail, a gular fold and a pair of enlarged canines on each side of upper jaw. It differs from D. pallida sp. nov. in having two canine teeth on each side of upper jaw (Melville et al. 2019: 36). 
CommentDiporiphora bennettii arnhemica has been elevated to full species status.

Group: The D. bennettii species group contains the following species: albilabris, bennettii, perplexa, sobria (fide Melville et al. 2019: 34).

Distribution: see map in Melville et al. 2019: 34 (Fig. 8). 
  • Boulenger, G.A. 1885. Catalogue of the lizards in the British Museum (Nat. Hist.) I. Geckonidae, Eublepharidae, Uroplatidae, Pygopodidae, Agamidae. London: 450 pp. - get paper here
  • Chapple, David G.; Reid Tingley, Nicola J. Mitchell, Stewart L. Macdonald, J. Scott Keogh, Glenn M. Shea, Philip Bowles, Neil A. Cox, John C. Z. Woinarski 2019. The Action Plan for Australian Lizards and Snakes 2017. CSIRO, 663 pp. DOI: 10.1071/9781486309474 - get paper here
  • 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.
  • Gray, J. E. 1845. Catalogue of the specimens of lizards in the collection of the British Museum. Trustees of die British Museum/Edward Newman, London: xxvii + 289 pp. - get paper here
  • Manthey,U. & SCHUSTER,N. 1999. Agamen, 2. Aufl. Natur und Tier Verlag (Münster), 120 pp. - get paper here
  • Melville, J., Smith Date, K.L., Horner, P., and Doughty, P. 2019. Taxonomic revision of dragon lizards in the genus Diporiphora (Reptilia: Agamidae) from the Australian monsoonal tropics. Memoirs of Museum Victoria 78: 23–55 - get paper here
  • Storr, G. M. 1974. Agamid lizards of the genera Caimanops, Physignathus and Diporiphora in Western Australia and Northern Territory. Rec. West. Aust. Mus. 3: 121-146 - get paper here
  • Wilson, S. & Swan, G. 2010. A complete guide to reptiles of Australia, 3rd ed. Chatswood: New Holland, 558 pp.
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