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Diporiphora lalliae STORR, 1974

IUCN Red List - Diporiphora lalliae - Least Concern, LC

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Higher TaxaAgamidae (Amphibolurinae), Sauria, Iguania, Squamata (lizards) 
Subspecies 
Common NamesNorthern deserts dragon, Lally's Two-line Dragon 
SynonymDiporiphora lalliae STORR 1974
Diporiphora lalliae — COGGER 1983
Diporiphora lalliae — COGGER 2000: 330
Diporiphora lalliae — SMITH et al. 2011
Diporiphora lalliae — MELVILLE et al. 2019: 42 
DistributionAustralia (Northern Territory, South Australia, Western Australia)

Type locality: Langey Crossing, in 17° 39’ S, 123° 34’ E, W. A.  
Reproductionoviparous 
TypesHolotype: WAM R23020 (originally given erroneously as R23030) 
DiagnosisDiagnosis. Body size moderately large (to 62 mm SVL) with very long tail (2.6–3.4 × SVL). Gular, post-auricular and scapular folds present. Small scales in axilla but usually not granular. Homogeneous dorsal scales between pale dorsolateral lines that usually lack raised scales in outer row, providing little demarcation between dorsal and lateral scales. Pre- cloacal pores 4; femoral pores 0 (Melville et al. 2019: 42).

Comparison to other species. Diporiphora lalliae is sympatric with D. magna, D. gracilis sp. nov. and D. granulifera sp. nov. in the northern parts of its range, occurring in similar habitats and is superficially similar in appearance. However, D. lalliae can be distinguished from these species by the presence of a gular fold, which is unique in the D. bilineata species group (Table 2). The distribution of D. lalliae also overlaps with D. sobria, from which it can be distinguished in having single canine teeth on each side of upper jaw and lacking femoral pores. In the southern Kimberley region, D. lalliae can be distinguished from D. pindan in having a gular fold and strong post-auricular and scapular folds (Melville et al. 2019: 43). 
CommentSimilar species: This species has previously been confused with numerous other species owing to its generalised appearance.

Phylogeny: D. lalliae appears to be paraphyletic with respect to D. magna (SMITH et al. 2011). However, no taxonomic decisions have been made yet.

Distribution: for a map see Melville et al. 2019: 41 (Fig. 14). 
Etymology 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Cogger, H. G. 2014. Reptiles and Amphibians of Australia, 7th ed. CSIRO Publishing, xxx + 1033 pp.
  • Cogger, H.G. 2000. Reptiles and Amphibians of Australia, 6th ed. Ralph Curtis Publishing, Sanibel Island, 808 pp.
  • 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
  • Smith, Katie L.; Luke J. Harmon, Luke P. Shoo, and Jane Melville 2011. EVIDENCE OF CONSTRAINED PHENOTYPIC EVOLUTION IN A CRYPTIC SPECIES COMPLEX OF AGAMID LIZARDS. Evolution 65-4: 976–992
  • 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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