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Hydrosaurus weberi BARBOUR, 1911

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Higher TaxaAgamidae (Hydrosaurinae), Sauria, Iguania, Squamata (lizards)
Common NamesE: Weber's Sailfin Lizard 
SynonymHydrosaurus weberi BARBOUR 1911: 20
Lophura weberi— DE ROOIJ 1915: 130
Hydrosaurus weberi — WERMUTH 1967: 65
Hydrosaurus weberi — BARTS & WILMS 2003
Hydrosaurus weberi — GLÄSSER-TROBISCH & TROBISCH 2021 
DistributionIndonesia (Halmahera, Ternate)

Type locality: Weeda, Halmahera.  
TypesHolotype: MCZ 7486 (in catalogue as 7505) 
DiagnosisDescription: Head deep and massive; snout short, with a prominent upraised area, covered with enlarged keeled scales; other head-scales small, strongly keeled. Nostril round; tympanum small, one third the diameter of the orbit; gular scales very small, granular; a row of enlarged shields on each side along the lower labials, beginning at the shoulder region, and composed of short, thick, compressed spines; dorsal crest with longer, recurved spines, developed most in the mid-dorsal region. Dorsal scales small, imbricate, keeled, the keels turned upwards; along each side seven groups of two or three very large, roundish keeled scales. (In the female these are not so regularly distributed). Femoral pores 12 13. Tail not quite twice the length of head and body, crested. Limbs long, the adpressed hind limb reaches the tympanum, covered with keeled scales; on the anterior part of the fore limb five or six series of enlarged scales.

Coloration: Dark brown above, uniform. Lower parts lighter. (After Barbour, cited in de Rooij 1915: 130) 
EtymologyNamed after Professor Max Weber (Amsterdam) who studied East Indian zoogeography. 
  • Barbour, T. 1911. New lizards and a new toad from the Dutch East Indies, with notes on other species. Proc. Biol. Soc. Washington 24: 15-22. - get paper here
  • Barts, M. & Wilms, T. 2003. Die Agamen der Welt. Draco 4 (14): 4-23 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Colwell, G.J. 1993. Hydrosaurus weberi (Weber's sail-fin dragon). Morphology. Herpetological Review 24 (4): 150 - 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. - get paper here
  • Gábris, J. 2003. Zur Haltung von philippinischen Segelechsen (Hydrosaurus pustulatus). Draco 4 (14): 24-33 - get paper here
  • Glässer-Trobisch, Andrea & Dietmar Trobisch 2021. Begegnungen mit Hydrosaurus & Co. in der Wallacea. Teil 3: Drachen im Vogelparadies – Halmahera. Sauria 43 (3): 23-46
  • Hallmen, M. 2012. Terrarienschauanlagen international - Der „Rimba Reptile Park“ auf Bali. Reptilia (Münster) 17 (95): 75-78 - get paper here
  • Siler, C.D., Lira-Noriega, A. & Brown, R.M. 2014. Conservation genetics of Australasian sailfin lizards: Flagship species threatened by coastal development and insufficient protected area coverage. Biological Conservation 169: 100–108 - get paper here
  • Werning, H. 2002. Wasseragamen und Segelechsen. Natur und Tier Verlag (Münster), 127 pp. [review in Sauria 26 (4): 17] - get paper here
  • Werning, H. 2004. Bibliographie der Gattungen Physignathus, Lophognathus und Hydrosaurus. Iguana Rundschreiben 17 (2): 18-31
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