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Ctenophorus aurita (STORR, 1981)

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Higher TaxaAgamidae (Amphibolurinae), Sauria, Iguania, Squamata (lizards)
Subspecies 
Common NamesE: Gravel Dragon 
SynonymTympanocryptis aurita STORR 1981
Cryptagama aurita — WITTEN 1984
Phthanodon aurita — WELLS & WELLINGTON 1984: 82
Amphibolurus auritus — COGGER 1983:
Cryptagama aurita — MANTHEY & SCHUSTER 1999: 46
Cryptagama aurita — COGGER 2000: 307
Cryptagama aurita — WILSON & SWAN 2010
Cryptagama aurita — CHAPPLE et al. 2019: 55
Ctenophorus aurita — BRUTON et al. 2025 
DistributionAustralia (Northern Territory, Western Australia)

Type locality: 27 km SSE of Halls Creek, Western Australia, 18°27’ S, 127°45’ E.  
Reproductionoviparous 
TypesHolotype: WAM R66296 
DiagnosisDiagnosis (genus Cryptagama): Small, very short-legged agamid, with blunt-tipped tail shorter than SVL; dorsals markedly heterogeneous (small scales intermixed with scattered enlarged blunt tubercles); tympanum large and obvious; upper labial scales form fringe along upper lip; femoral and pre-anal pores 10-18, more prominent in males (J. Melville, pers. comm., 8 Sep 2021).


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CommentNot listed by COGGER 1983.

Abundance: rare; prior to 2011, Cryptagama aurita was only known from four specimens at three sites in the remote east Kimberley, Western Australia (WA) and in the Northern Territory (NT). From 2011–2023, over 60 individuals were observed and photographed across five sites in the remote central Kimberley (Bruton et al. 2025).

Distribution: see map in Bruton et al. 2025: 4 (Fig. 1).

Type species: Tympanocryptis aurita STORR 1981 is the type species of the genus Cryptagama WITTEN 1984. 
EtymologyThe species was apparently named after the large tympanum or ear opening, from Latin auris = ear.

The genus name comes from the Greek kryptos meaning hidden or secret and the type genus of the family, Agama. 
References
  • Aguilar-López JL, Luría-Manzano R, Pineda E, Canseco-Márquez L 2021. Selva Zoque, Mexico: an important Mesoamerican tropical region for reptile species diversity and conservation. ZooKeys 1054: 127-153 - get paper here
  • Bruton, M., Melville, J., Sumner, J., Porter, J., Mahony, S. & Doughty, P., 2025. The last piece of the puzzle: Detection of an extremely rare lizard in the Kimberley completes the phylogeny of Australian dragons (Agamidae). Australian Journal of Taxonomy 94: 1–15 - 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.
  • Cogger,H.G. 1983. Reptiles and Amphibians of Australia, 3th ed. Reed, Sydney, 660 pp.
  • Ellis, Ryan J. 2019. An annotated type catalogue of the dragon lizards (Reptilia: Squamata: Agamidae) in the collection of the Western Australian Museum. Records of the Western Australian Museum 34: 115–132 - get paper here
  • Jolly, C., Schembri, B., & Macdonald, S. 2023. Field Guide to the Reptiles of the Northern Territory. CSIRO Publishing, Melbourne - get paper here
  • Manthey,U. & SCHUSTER,N. 1999. Agamen, 2. Aufl. Natur und Tier Verlag (Münster), 120 pp. - get paper here
  • Storr, G. M. 1981. Three new agamid lizards from Western Australia. Rec. West. Aust. Mus. 8 (4): 599-607 - 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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