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Hypsilurus binotatus (MEYER, 1874)

IUCN Red List - Hypsilurus binotatus - Least Concern, LC

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Higher TaxaAgamidae (Amphibolurinae), Sauria, Iguania, Squamata (lizards) 
Subspecies 
Common NamesTwo-marked ForestDragon 
SynonymGonyocephalus (Hypsilurus) binotatus MEYER 1874: 130
Gonyocephalus (Hypsilurus) binotatus — SAUVAGE 1879: 50
Gonyocephalus binotatus — BOULENGER 1885: 295
Gonyocephalus binotatus — DE ROOIJ 1915: 110
Goniocephalus binotatus — LOVERIDGE 1948: 316
Gonocephalus binotatus — WERMUTH 1967: 57
Hypsilurus binotatus — BARTS & WILMS 2003 
DistributionIndonesia (Aru and Kei Island, Yapen Island; Vogelkopf; Wondowoi mountains, Wandammen Peninsular (Geelvink Bay); Tami River (2°38’ S 140°56’),
Papua New Guinea (Veiru, Gulf Province; West and East Sepik Province; Western Province)

Type locality: Insel Jobi (1°44’S 135°49’E).  
Reproductionoviparous 
TypesLectotype: lost; paralectotype: lost, fide Obst, 1977 
DiagnosisDiagnosis.– Large robust, long–tailed species with homogeneous dorsal scalation and a continuous vertebral crest. Several strongly enlarged scales below the tympanum; a row of enlarged submaxillaries present; upper part of the anterior edge of the gular pouch or with or without enlarged scales.
H. binotatus is similar to H. papuensis. H. binotatus differs from all other species by a continuous vertebral crest of nearly uniform height (vs. separated near the nape or with distinct indentation), additionally from papuensis by smaller tympanum T/E ≤ 1.0 (vs. > 1.0) a base of the tail that is not raised in males (vs. significantly raised); auritus, geelvinkianus, modestus, nigrigularis and bruijnii by the presence of enlarged scales below the tympanum (vs. absent); schultzewestrumi by smaller gulars ≈ Ø tympanum (vs. several scales ≥ Ø tympanum); boydii, spinipes and dilophus by a homogeneous dorsal scalation (vs. heterogeneous) and a longer tail TL/SVL > 3.4 (vs. < 2.3). 
Comment 
Etymology 
References
  • Barts, M. & Wilms, T. 2003. Die Agamen der Welt. Draco 4 (14): 4-23 - get paper here
  • Boulenger, G.A. 1885. Catalogue of the Lizards in the British Museum (Nat. Hist.) I. Geckonidae, Eublepharidae, Uroplatidae, Pygopodidae, Agamidae. London: 450 pp. - get paper here
  • de Rooij, N. de 1915. The Reptiles of the Indo-Australian Archipelago. I. Lacertilia, Chelonia, Emydosauria. Leiden (E. J. Brill), xiv + 384 pp.
  • Loveridge, A. 1948. New Guinean reptiles and amphibians in the Museum of Comparative Zoology and United States National Museum. Bull. Mus. Comp. Zool. Harvard 101 (2): 305-430. - get paper here
  • Manthey, U. & Denzer, W. 2006. A revision of the Melanesian-Australian angle head lizards of the genus Hypsilurus (Sauria: Agamidae: Amphibolurinae), with description of four new species and one new subspecies. Hamadryad 30 (1-2): 1 – 40
  • MANTHEY, U. & W. DENZER 2016. Melanesian anglehead lizards of the genus Hypsilurus Peters, 1867 – Part 1: Species from New Guinea Sauria 38 (3): 11 - 36 - get paper here
  • Meyer, A.B. 1874. Übersicht über die von mir auf Neu-Guinea und den Inseln Jobi, Mysore und Mafoor im Jahre 1873 gesammelten Amphibien. Monatsber. K. Preuss. Akad. Wiss. Berlin 1874: 128-140 - get paper here
  • Sauvage, H. E. 1879. Notice sur quelques reptiles nouveaux ou peu connus de la Nouvelle-Guinee. [Elania annulata]. Bull. Soc. philom. Paris (7) 3: 47-61 - get paper here
 
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