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Tribolonotus novaeguineae (SCHLEGEL, 1834)

IUCN Red List - Tribolonotus novaeguineae - Least Concern, LC

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Higher TaxaScincidae, Egerniinae, Scincoidea, Sauria, Squamata (lizards) 
Common NamesE: Spiny Skink
G: Neuguinea-Helmskink 
SynonymZonurus novaeguineae SCHLEGEL 1834: 218
Tribolonotus Novae-Guineae — DUMÉRIL & BIBRON 1839: 366
Tribolonotus novaeguineae — BOULENGER 1887: 365
Tribolonotus novaeguineae — BONETTI 2002: 164
Tribolonotus novaeguineae — PIANKA & VITT 2003: 213 
DistributionIndonesia (Irian Jaya), Papua New Guinea

Type locality: Indonesia, Irian Jaya (Nieuw Guinea), by the fortress Merkusoord (near Triton-Baai).  
TypesSyntypes: RMNH RENA.3599 (Naturalis, Leiden, Netherlands), Collected by S. Muller and H. Macklot in Indonesia, Irian Jaya 
CommentSynonymy: Various authors expressed the opinion that Tribolonotus gracilis might be synonymous with Tribolonotus novaeguineae (for a discussion see MYS 1988: 148).

Type species: Zonurus novaeguineae SCHLEGEL 1834: 218 is the type species of the genus Tribolonotus DUMÉRIL & BIBRON 1839: 366.

The genus Tribolonotus is unusual among scincid lizards in its characteristic strongly keeled to spinose scales and, in at least two species, the ability to vocalize (Cogger 1972), a character known from only one other scincid species (Nannoscincus gracilis). The genus is further defined by two synapomorphies: the presence of abdominal glands and palmar and plantar pores (Greer & Parker 1968; Parker 1940). 
EtymologyNamed after the type locality. 
  • Austin, Christopher C.; Eric N. Rittmeyer, Stephen J. Richards, George R. Zug 2010. Phylogeny, historical biogeography and body size evolution in Pacific Island Crocodile skinks Tribolonotus (Squamata; Scincidae). Molecular Phylogenetics and Evolution 57 (1): 227-236 - get paper here
  • Bonetti, Mathilde 2002. 100 Sauri. Mondadori (Milano), 192 pp.
  • Boulenger, G. A. 1887. Catalogue of the Lizards in the British Museum (Nat. Hist.) III. Lacertidae, Gerrhosauridae, Scincidae, Anelytropsidae, Dibamidae, Chamaeleontidae. London: 575pp. - get paper here
  • Cogger,H.G. 1972. A new scincid lizard of the genus Tribolonotus from Manus Island, New Guinea. Zoologische Mededelingen 47: 202-210 - get paper here
  • Duméril, A. M. C. and G. Bibron. 1839. Erpétologie Générale on Histoire Naturelle Complète des Reptiles. Vol.5. Roret/Fain et Thunot, Paris, 871 pp. - get paper here
  • Greer,A.E. & Parker,F. 1968. A new species of Tribolonotus (Lacertilia: Scincidae) from Bougainville and Buka, Solomon Islands, with comments of the biology of the genus. Breviora (291): 1-23 - get paper here
  • Kinghorn,J.R. 1937. A new species of skink from the Solomon Islands. Rec. Austral. Mus. 20 (1): 1-2 - get paper here
  • MEYER, Jochen 2012. Erste Erfahrungen mit dem Neuguinea-Helmskink, Tribolonotus novaeguineae. Terraria-Elaphe 2012 (6): 78-86 - get paper here
  • Mys, Benoit 1988. The zoogeography of the scincid lizards from North Papua New Guinea (Reptilia: Scincidae). I. The distribution of the species. Bull. Inst. Roy. Sci. Nat. Belgique (Biologie) 58: 127-183
  • Parker, H. W. 1940. Undescribed anatomical structures and new species of reptiles and amphibians. Ann. Mag. nat. Hist. (11) 5: 257-274
  • Pianka, E.R. & Vitt, L.J. 2003. Lizards - Windows to the Evolution of Diversity. University of California Press, Berkeley, 347 pp. [review in Copeia 2004: 955] - get paper here
  • Schlegel, H. 1834. Monographie van het geslacht Zonurus. Tijdschr. Nat. Gesch. Phys. 1: 203-221 - get paper here
  • Zweifel, Richard G. 1966. A New Lizard of the Genus Tribolonotus (Scincidae) from New Britain. American Museum Novitates 2264: 1-12. - get paper here
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