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Diporiphora sobria STORR, 1974

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Higher TaxaAgamidae (Amphibolurinae), Sauria, Iguania, Squamata (lizards)
Common NamesE: Northern savannah two-pored dragon 
SynonymDiporiphora albilabris sobria STORR 1974
Diporiphora bennettii arnhemica STORR 1974
Diporiphora arnhemica — WELLS & WELLINGTON 1984
Mantichorasaurus sobria — WELLS & WELLINGTON 1985: 18
Diporiphora arnhemica — EHMANN 1992: 124
Diporiphora bennettii arnhemica — COGGER 2000: 329
Diporiphora arnhemica — BARTS & WILMS 2003
Diporiphora arnhemica — WILSON & SWAN 2010
Diporiphora sobria — MELVILLE et al. 2019: 39 
DistributionAustralia (Northern Territory)

Type locality: Pine Creek, NT [14° 04' S, 131° 58' E].

arnhemica: Australia (Northern Territory: S Kimberleys to Arnhem Land); Type locality: near upper Katherine River, in 14° 13’ S, 132° 36’ E, N. T.  
TypesHolotype: WAM R23180
Holotype: ANWC R740 [arnhemica] 
DiagnosisDiagnosis. Body size moderately large (to 69 mm SVL) with moderately long tail (2.3–2.6 × SVL). Gular fold present, post- auricular fold strong and scapular fold present but often weak. Dorsolateral stripes present. Lacks dark smudge on posterior edge of tympanum. In WA, the scales between dorsolateral stripes are homogeneous (fig. 10b); in the NT, heterogeneous (fig. 10c). Pre-cloacal pores 4; femoral pores 2. (Melville et al. 2019: 39).

Comparison with other species. This species has a very wide distribution and overlaps with numerous other Diporiphora species. In WA, it can be distinguished from D. albilabris in having a scapular fold, fewer spines around tympanum and post-auricular fold and having homogenous scales between the dorsolateral stripes. It differs from D. perplexa sp. nov. in having pale rows of dorsolateral scales, usually a strong post- auricular fold, two femoral pores and lacks dark markings on the posterior of the tympanum. Differs from D. bilineata, D. magna and D. lalliae in having femoral pores, two pairs of canines in upper jaw and white labial scales. It also differs from D. bilineata, D. magna and D. margaretae in having a gular fold and two pairs of canine teeth on each side of upper jaw (Melville et al. 2019: 34). 
CommentSynonymy: MELVILLE et al. 2019 synonymized Diporiphora bennettii arnhemica with D. sobria.

Distribution: see map in Melville et al. 2019: 34 (Fig. 8). Despite the original name of D. arnhemica, this species does not appear to occur in Arnhem Land, although collections from this region are scarce.

NCBI taxID: 206584 [arnhemica] 
EtymologyNamed after Latin “albus, -a, -um” = white and “labrum” = lip. 
  • 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.
  • Ehmann, Harold 1992. Encyclopedia of Australian Animals: Reptiles. Angus & Robertson, Pymble, NSW, 495 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
  • 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
  • Wells R W; Wellington C R 1984. A synopsis of the class Reptilia in Australia. Australian Journal of Herpetology 1 (3-4): 73-129 [1983]
  • Wilson, S. & Swan, G. 2010. A complete guide to reptiles of Australia, 3rd ed. Chatswood: New Holland, 558 pp.
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