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Diporiphora jugularis (MACLEAY, 1877)

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Higher TaxaAgamidae (Amphibolurinae), Sauria, Iguania, Squamata (lizards)
Common NamesE: Black-throated two-pored dragon 
SynonymGrammatophora jugularis MACLEAY 1877: 104
Diporophora brevicauda DE VIS 1884: 99 (fide BOULENGER 1885: 387)
Diporophora pentalineata DE VIS 1884: 99 (fide BOULENGER 1885: 387)
Diporiphora jugularis — MELVILLE et al. 2019: 32 
DistributionPapua New Guinea, N Australia
Australia (Northern Territory, Queensland, Western Australia)

Type locality: Cape Grenville, Cape York Peninsula, Queensland

Type locality: Cape York, Qld. [brevicauda]
Type locality: Cape York, Qld. [pentalineata]  
TypesSyntypes: AMS R40672-4
Holotype: unknown fide MELVILLE et al. 2019 [brevicauda]
Holotype: unknown fide MELVILLE et al. 2019 [pentalineata] 
DiagnosisDiagnosis. Body size moderately large (to 68 mm SVL) with long tail (1.8–2.7 × SVL). Gular and scapular folds absent; post-auricular fold absent or weak. Scales in axilla not granular. Lacks spinose scales on thighs or neck. Pre-cloacal pores 4; femoral pores 0 [MELVILLE et al. 2019: 32].

Comparison. Overlaps geographically with D. australis, D. nobbi and D. carpentariensis sp. nov. It differs morphologically from both D. australis and D. nobbi in lacking a gular fold. Also differs from D. nobbi in being smaller in body size (65 mm vs. 75 mm SVL), lacking spinose scales on the thighs or neck, having fewer pre-cloacal pores and lacking femoral pores. It differs from D. carpentariensis sp. nov. in that it lacks a scapular fold, scales in axilla are not reduced in size and not granular, scales on flanks strongly heterogeneous with scattered scales that are distinctly larger than surrounding scales, and a black gular band or black spots on sides of neck [MELVILLE et al. 2019: 32]. 
CommentSynonymy after MELVILLE et al. 2019 who revalidated Grammatophora jugularis from the synonymy of D. bilineata.

Distribution: for a map see Melville et al. 2019: 27 (Fig. 3).

Lifestyle: semi-arboreal. 
  • Boulenger,G.A. 1885. Remarks on Mr. C.W. De Vis’s recent contributions to the herpetology of Australia. Ann. Mag. nat. Hist. (5) 16: 386-387 - get paper here
  • De Vis, C. W. 1884. On new species of Australian lizards. Proc. Roy. Soc. Queensland 1: 97-100 - get paper here
  • Macleay, W. 1877. The lizards of the Chevert Expedition. Proc. Linn. Soc. New South Wales 2: 60-69; 97-104 - 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
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