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Gonocephalus is also a synonym of the catfish genus Clarotes.

Gonocephalus liogaster
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Iguania
Family: Agamidae
Subfamily: Draconinae
Genus: Gonocephalus
Kaup, 1825[1]

Agama (part), Arua, Coryphophylax, Dilophyrus, Galeotes, Goniocephalus [sic], Gonyocephalus [sic], Hypsilurus, Iguana (part), Lophosteus, Lophyrus, Tiaris[2][3]

Gonocephalus is a genus of agamid lizards endemic to southeast Asia.[4]


Species from Melanesia and Australia which were formerly included in Gonocephalus are now placed in the genus Hypsilurus.[4]


As of 2023, Gonocephalus contains the following 17 species:[3]

Image Scientific Name Common Name Distribution
Gonocephalus bellii (A.M.C. Duméril & Bibron, 1837) Bell's anglehead lizard, Bell's forest dragon Thailand, Malacca, Perak, Pahang, Selangor, Indonesia (Borneo), and West Malaysia
Gonocephalus beyschlagi (Boettger, 1892) Sumatra forest dragon Sumatra, Indonesia.
Gonocephalus bornensis (Schlegel, 1848) Borneo anglehead lizard, Borneo forest dragon Sabah, Kinabalu, Brunei, Sarawak and Kalimantan
Gonocephalus chamaeleontinus (Laurenti, 1768) chameleon forest dragon, chameleon anglehead lizard Indonesia and Malaysia
Gonocephalus doriae (W. Peters, 1871) Doria's angle-headed lizard Borneo
Gonocephalus grandis (Gray, 1845) giant forest dragon, great anglehead lizard Thailand, Vietnam, Malaysia, Indonesia, and Myanmar.
Gonocephalus inauris Harvey, Sarker, Sidik, Kurniawan, & Smith, 2023 Indonesia
Gonocephalus interruptus (Boulenger, 1885) Boulenger's forest dragon, Mindoro anglehead Philippines.
Gonocephalus klossi (Boulenger, 1920) Kloss's forest dragon Indonesia.
Gonocephalus kuhlii (Schlegel, 1848) Indonesia.
Gonocephalus lacunosus Manthey & Denzer, 1991 Manthey's forest dragon Indonesia.
Gonocephalus liogaster (Günther, 1872) tropical forest dragon, blue-eyed anglehead lizard, orange-ringed anglehead lizard, Indonesia and Malaysia.
Gonocephalus megalepis (Bleeker, 1860) Bleeker's forest dragon Indonesia.
Gonocephalus mjobergi M.A. Smith, 1925 Indonesia and Malaysia.
Gonocephalus pyrius Harvey, Rech, Riyanto, Kurniawan & E.N. Smith, 2021 angle-headed dragon Sumatra.
Gonocephalus semperi (W. Peters, 1867) Mindoro forest dragon Philippines.
Gonocephalus sophiae (Gray, 1845) Negros forest dragon Philippines.

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Gonocephalus.


  1. ^ Kaup JJ ("Caup [sic]") (1825). "Einige Bemerkungen zu Merrems Handbuch ". Isis von Oken 16: 589-593. (Gonocephalus, new genus, p. 590). (in German).
  2. ^ Boulenger GA (1885). Catalogue of the Lizards in the British Museum (Natural History). Second Edition. Volume II. ... Agamidæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 497 pp. + Plates I-XXIV. (Genus Gonyocephalus [sic], p. 282).
  3. ^ a b Gonocephalus at the Reptarium.cz Reptile Database. Accessed 5 May 2023.
  4. ^ a b Honda M, Ota H, Sengoku S, Yong HS, Hikida T (2002). "Molecular Evaluation of Phylogenetic Significances in the Highly Divergent Karyotypes of the Genus Gonocephalus (Reptilia: Agamidae) from Tropical Asia". Zoological Science. 19 (1): 129–133. doi:10.2108/zsj.19.129. hdl:2241/104127. PMID 12025399. S2CID 38549668.

Further reading[edit]

  • Das I (2006). A Photographic Guide to Snakes and other Reptiles of Borneo. Sanibel Island, Florida: Ralph Curtis Books. 144 pp. ISBN 0-88359-061-1. (Gonocephalus species, pp. 81–84).
  • Smith MA (1935). The Fauna of British India, Including Ceylon and Burma. Reptilia and Amphibia. Vol. II.—Sauria. London: Secretary of State for India in Council. (Taylor and Francis, printers). xiii + 440 pp. + Plate I + 2 maps. (Genus Goniocephalus [sic], p. 157).