Hypsilurus nigrigularis (MEYER, 1874)
Can you confirm these amateur observations of Hypsilurus nigrigularis?
|Higher Taxa||Agamidae (Amphibolurinae), Sauria, Iguania, Squamata (lizards)|
|Synonym||Gonyocephalus (Hypsilurus) nigrigularis MEYER 1874: 129|
Gonyocephalus nigrigularis — BOULENGER 1885: 296
Gonyocephalus nigrigularis — DE ROOIJ 1915: 111
Goniocephalus nigrigularis — LOVERIDGE 1948: 316
Gonocephalus nigrigularis — WERMUTH 1967: 61
Hypsilurus (Hypsilurus) nigrilabris (sic!) — MOODY 1980: 300 (in error)
Hypsilurus nigrilabris — FRANK & RAMUS 1995: 130
Hypsilurus nigrigularis — BARTS & WILMS 2003
Type locality: Neu-Guinea. Locus typicus restrictus (according to data from Meyer, 1886/87): Rubi, am Südufer der Geelvinkbai, ~ 3° 23’S; 135° 15’E, West Papua Province, Indonesia.
|Types||Holotype: MTD 2967 (= MTKD)|
|Diagnosis||Diagnosis. Medium–sized, robust, long–tailed species with homogeneous dorsal scalation, a discontinuous vertebral crest and a large, dark coloured gular pouch. Scales below the tympanum minimally enlarged, no row of enlarged submaxillaries; gular pouch extremely large; anterior edge of the gular pouch without enlarged scales.|
H. nigrigularis differs from modestus, auritus and geelvinkianus by larger and slightly heterogeneous, narrow, as well as broad anterior scales on the gular pouch (vs. small, homogeneous, rhomboid nearly granular scales) and by a dark gular pouch (vs. yellow gular sac, with or without stripes); additionally from modestus by a large gular pouch with acute base on the chest (vs. small with rounded base approximately near the clavicular region) and the presence of a dorsal crest (vs. absent), auritus by the absence of dark spots on either side of the neck (vs. present), geelvinkianus by a normally developed dorsal crest (vs. rudimentary), bruijnii by a large dark gular pouch with acute base on the chest (vs. small, light coloured with rounded base approximately near the clavicular region) as well as by the absence of a row of enlarged submaxillaries (vs. present), boydii, spinipes and dilophus by a homogeneous dorsal scalation (vs. heterogeneous) and a longer tail, TL/SVL > 2.5 (vs. < 2.3); all other species by the absence of clearly enlarged scales below the tympanum as well as the absence of a row of enlarged submaxillaries (vs. present) (Manthey & Denzer 2006: 8).
|Comment||Similar species: Hypsilurus schultzewestrumi.|
Abundance: only known from the type specimen (Meiri et al. 2017).
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