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Eurydactylodes vieillardi (BAVAY, 1869)

IUCN Red List - Eurydactylodes vieillardi - Near Threatened, NT

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Higher TaxaDiplodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Bavay's Gecko 
SynonymPlatydactylus Vieillardi BAVAY 1869: 10
Eurydactylus Viellardi SAUVAGE 1879: 70
Eurydectylus vieillardi — BOULENGER 1883: 129
Eurydactylus vieillardi — BOULENGER 1885: 192
Eurydactylodes vieillardi — WERMUTH 1965: 30
Eurydactylodes vieillardi — KLUGE 1993
Eurydactylodes vieillardi — RÖSLER 2000: 78
Eurydactylodes vieillardi — BAUER et al. 2012
Eurydactylodes viellardi — SCH¨NECKER 2018 (in error) 
DistributionC/E New Caledonia (Houagape)

Type locality: Houagape, New Caledonia.  
TypesNeotype: ZFMK 46981 (designated by Bauer 1990) 
DiagnosisDiagnosis (genus): Eurydactylodes is distinguished from all other New Caledonian diplodactylid gekkotans by the following combination of characters: body size small (to 60.3 mm SVL); neural spines of trunk vertebrae elongate, body laterally compressed, six or seven inscriptional ribs, dorsal body scalation consists of enlarged, smooth, flattened scales; dorsal head scales enlarged to greatly enlarged; a postlabial slit present, confluent or not with subauricular groove; endolymphatic sacs expanded extracranially; margins of jaws and limbs with folds of skin; subdigital lamellae undivided or with irregular divisions; claw of digit I of manus and pes lies between a pair of separate terminal subdigital scansors; precloacal pores in males in 3–5 rows sometimes extending onto base of thighs (50–68 pores in total); original tail (100–115% of SVL) with distal adhesive subcaudal lamellae and possessing caudal glands and a “tail-squirting” mechanism; tongue and mouth lining yellow to orange; dorsal color pattern grayish, cream, tan, or beige with darker transverse bands or markings; venter white.

Diagnosis (species): To 60.3 mm SVl (cAS 231983). Scales of nape not raised and tubercular; enlarged head scales irregular, separated from one another by tiny granules; dorsal body scalation highly heterogeneous, postlabial and subauricular slit separated from one another by a scaled patch of skin. 
CommentType species: Platydactylus Vieillardi BAVAY 1869 is the type species of the genus Eurydactylodes WERMUTH 1965. Note that the original name Eurydactylus SAUVAGE 1879 is preoccupied by Eurydactylus Laferté-Sénectère, 1851 (Insecta: Coleoptera). See Bauer and Henle (1994); Bauer and Sadlier (2000), and Bauer et al. (2009) for additional details about this genus.

Behavior: Tail squirting and its unique morphology and behaviour has evolved twice within Gekkota, occurring only within Strophurus and within New Caledonian Eurydactylodes; Böhme & Sering, 1997. 
EtymologyNamed after the collector of the type, M. Vieillard, “médecin auxiliaire de la marine” 
  • 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, A.M. 1990. Phylogenetic systematics and biogeography of the Carphodactylini (Reptilia: Gekkonidae). Bonner zool. Monogr. 30: 1-220 - get paper here
  • 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
  • Bavay,A. 1869. Catalogue des Reptiles de las Nouvelle - Caledonie et description d'especes nouvelles. Memoires Societe Linniene de Normandie 15: 1-37
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Böhme, W. & Sering, M. 1997. Tail squirting in Eurydactylodes: independent evolution of caudal defensive glands in a diplo- dactyline gecko (Reptilia, Gekkonidae). Zoologischer Anzeiger 235, 225–229
  • Boulenger, G. A. 1883. On the geckos of New Caledonia. Proc. Zool. Soc. London 1883: 116—130. - 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
  • DUVAL, Thomas; Stéphane ASTRONGATT & Mickaël SANCHEZ 2019. Inventaire herpétologique de la forêt de Povila (province Nord, Nouvelle-Calédonie), avec une comparaison des protocoles de détection. Bull. Soc. Herp. Fr. 171: 13-36
  • Fast, Frank 1997. A glimpse of New Caledonia's elusive Eurydactylus vieillardi. Vivarium 9 (1): 48
  • Henkel,F.W. & Böhme,W. 2001. A new carphodactyline gecko of the New Caledonian genus Eurydactylodes (Sauria: Gekkonidae). Salamandra 37 (3): 149-156 - 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
  • Nunan, Jeff 1993. In the spotlight, Eurydactylodes vieillardi. Dactylus 2 (1): 27-28
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Sauvage, H. E. 1879. Note sur les geckotiens de la Nouvelle-Calédonie. Bull. Soc. philom. Paris (7) 3: 63—73 - get paper here
  • Schönecker, Patrick 2018. Biologie, Haltung und Nachzucht des Neukaledonischen Haftschwanzgeckos Eurydactylodes viellardi. Terraria-Elaphe 2018 (1): 36-42 [2017] - get paper here
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