Hypsilurus geelvinkianus (PETERS & DORIA, 1878)
Can you confirm these amateur observations of Hypsilurus geelvinkianus?
|Higher Taxa||Agamidae (Amphibolurinae), Sauria, Iguania, Squamata (lizards)|
|Common Names||New Guinea Forest Dragon|
|Synonym||Gonyocephalus (Arua) geelvinkianus PETERS & DORIA 1878: 381|
Gonyocephalus geelvinkianus — BOULENGER 1885: 294
Gonyocephalus geelvinkianus – DE ROOIJ 1915: 114
Goniocephalus geelvinkianus – LOVERIDGE 1948: 316
Gonocephalus geelvinkianus — WERMUTH 1967: 59
Hypsilurus geelvinkianus — BAUER et al. 1995: 53
|Distribution||Indonesia (Irian Jaya), Numfoor Island, Biak Island; Papua New Guinea: East Sepik Province |
Type locality: Isole di Mafor e Misori nella Baja del Geelwink (Nova Guinea sept.)
|Types||Syntypes: ZMB 9729-30, MSNG, NMW|
|Diagnosis||Diagnosis. Small slender, long–tailed species with homogeneous dorsal scalation and discontinuous vertebral crest. Scales below the tympanum not enlarged; no row of enlarged submaxillaries; upper part of the anterior edge of the gular pouch with enlarged scales.|
Similar to Hypsilurus modestus. H. geelvinkianus differs from modestus and bruijnii by a comparatively large gular pouch with acute base on the chest (vs. small with rounded base near the clavicular region); additionally from modestus by the presence of low dorsal crest (vs. absent) and from bruijnii by the absence of a row of enlarged submaxillaries and absent enlarged scales below the tympanum (vs. present) as well as an extremely low dorsal crest (vs. normally developed); auritus and nigrigularis by an extremely low dorsal crest (vs. normally developed); additionally from auritus by the absence of dark spots on either side of the neck (vs. present) and a monochrome gular pouch (vs. weakly dark striped) and from nigrigularis by significantly smaller, granular to rhomboid anterior scales on the gular pouch (vs. larger with elongated, as well as broader scales); boydii, dilophus and spinipes by a homogeneous dorsal scalation (vs. heterogeneous) and a longer tail, TL/SVL ≥ 3 (vs. < 2.3); all other species by the absence of enlarged scales below the tympanum and an absent row of enlarged submaxillaries (vs. present).
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