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© Rune Midtgaard

Taxonomy of the family Diplodactylidae
Bibliography of the genus Rhacodactylus
Biodiversity of the family Diplodactylidae


New Caledonian Knob-headed Giant Geckos*

Neukaledonische Riesengeckos*, Lappenfinger

Nycaledoniske Kæmpegekkoer*

1843 Rhacodactylus Fitzinger (type species: Ascalabotes leachianus Cuvier 1829)
1873 Ceratolophus Bocage (type species: Ceratolophus hexaceros Bocage 1873; syn. Bauer 1994)
1878 Chameleonurus Boulenger (type species: Chameleonurus trachycephalus Boulenger 1878; syn. Bauer 1994)
Contents: 4 species, all of which are endemic.
Remarks: Previously included Correlophus and the species now placed in Mniarogekko. Bauer (1990, 1994) regarded the Australian genus Pseudothecadactylus as a subgenus of Rhacodactylus, but this has not been followed in subsequent works (e.g., Wilson & Swan 2010; Cogger 2014).
Distribution: New Caledonia (incl. Grande Terre, Isle of Pines, Moro Islet).

Rhacodactylus auriculatus

Knob-headed Giant Gecko, Gargoyle Gecko


Knophovedet Kæmpegekko*

1869 Platydactylus auriculatus Bavay
Rhacodactylus auriculatus Boulenger 1883
1873 Ceratolophus hexaceros Bocage (Bauer 1994)

Distribution: New Caledonia (Grande Terre).

Rhacodactylus leachianus

Grande Terre Giant Gecko*, (Leach's Giant Gecko)

Grande Terre-Riesengecko

Grande Terre-kæmpegekko*

1829 Ascalabotes leachianus Cuvier
Pteropleura leachianus Gray 1831
Lomatodactylus leachianus van der Hoeven 1833
Platydactylus leachianus Wiegmann 1834
Hoplodactylus leachianus Fitzinger 1843
Rhacodactylus leachianus Bocage 1873
1834 Gecko leachii Schinz [1833-35] [emendation] (Bauer 1994)
1873 Rhacodactylus aubrianus Bocage (Bauer 1994)
1994 Rhacodactylus leachianus henkeli Seipp & Obst

Distribution: New Caledonia (Grande Terre, Isle of Pines, Moro Islet).

Rhacodactylus trachycephalus

Môrô Islet Giant Gecko*



1878 Chameleonurus trachycephalus Boulenger
Rhacodactylus trachycephalus Bauer, Jackman, Sadlier & Whitaker 2012

Remarks: Previously regarded as a synonym of trachyrhynchus (e.g., Bauer 1994; Cunkelman 2005). Revalidated by Bauer, Jackman, Sadlier & Whitaker (2012). Although originally described from Île des Pins, continued presence in this island needs confirmation (Bauer, Jackman, Sadlier & Whitaker 2012).
Distribution: New Caledonia (Moro Islet).

Rhacodactylus trachyrhynchus

Rough-snouted Giant Gecko


Rusnudet Kæmpegekko*

1873 Rhacodactylus trachyrhynchus Bocage

Remarks: Previously included trachycephalus. Now restricted to the main island, Grande Terre. Records from Île des Pins refer to trachycephalus (see remarks under that species).
Distribution: New Caledonia (Grande Terre, Isle of Pines).