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Eurydactylodes occidentalis BAUER, JACKMAN, SADLIER & WHITAKER, 2009

IUCN Red List - Eurydactylodes occidentalis - Critically Endangered, CR

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Higher TaxaDiplodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common Names 
SynonymEurydactylodes occidentalis BAUER, JACKMAN, SADLIER & WHITAKER 2009
Eurydactylodes occidentalis — BAUER et al. 2012 
DistributionNew Caledonia (Province Sud)

Type locality: New Caledonia, Province Sud, Marais
Fournier, Mouéara, Gouaro-déva, 3.5 km northwest of Plage de Poé, 21°35’33.2”S, 165°20’24.1”e, < 5 m elevation./  
TypesHolotype: MNHN-RA 2004.0026 (formerly AMS r 166218), coll. A.H. Whitaker & V.A. Whitaker, 31 January 2004; pareatypes at AMS and CAS 
DiagnosisDiagnosis: Eurydactylodes occidentalis can be distinguished from all congeners on the basis of the following combination of characters: size small (to 53.4 mm SVl), no tubercular scales on nape; postlabial slit and subauricular groove not continuous, separated by a narrow column of scaled skin; head scales, particularly in frontonasal and loreal regions, large, angular and relatively symmetrical (Figs 5, 7); male precloacal pores 60 or more in multiple rows; dorsal pattern of three irregular dark bands on a pale background. Eurydactylodes occidentalis may be distinguished from both E. symmetricus and E. agricolae by its discontinuous postlabial-subauricular slit-groove. it is very similar to E. vieillardi in most respects but it possesses larger, more symmetrical and angular dorsal head scales, especially in the frontonasal and loreal regions. in addition, based on the limited sample of specimens known (n = 4) it is also considerably smaller than E. vieillardi (maximum SVl 53.4 mm versus 60.3 mm SVl) (radiographs reveal that all four E. occidentalis are probably sexually mature and that the male specimens have fused long bone and digital epiphyses, suggesting they are near full size). it also differs substantially form all of its three congeners with respect to genetic sequence. 
EtymologyThe specific epithet occidentalis, meaning western, refers to the apparent restriction of the species along the west coast of the Province Sud on the Grande Terre of new caledonia. 
  • Bauer A. M.; Jackman T.; Sadlier R. A. & Whitaker A. H. 2009. Review and phylogeny of the New Caledonian diplodactylid gekkotan genus Eurydactylodes Wermuth, 1965, with the description of a new species, in Grandcolas P. (ed.), Zoologia neocaledonica 7. biodiversity studies in new caledonia. Mémoires du Muséum national d’Histoire naturelle 198: 13-36
  • BAUER, AARON M.; TODD R. JACKMAN, ROSS A. SADLIER & ANTHONY H. WHITAKER 2012. Revision of the giant geckos of New Caledonia (Reptilia: Diplodactylidae: Rhacodactylus). Zootaxa 3404: 1–52 - get paper here
  • Langner, Christian & Patrick Schönecker 2018. Pacific Lost World – die weniger bekannte, gefährdete Geckofauna Neukaledoniens. Terraria-Elaphe 2018 (1): 14-26 [2017] - get paper here
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