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Cyrtodactylus louisiadensis (DE VIS, 1892)

IUCN Red List - Cyrtodactylus louisiadensis - Least Concern, LC

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Ring-tailed Gecko, Banded Gecko 
SynonymGymnodactylus louisiadensis DE VIS 1892
Gymnodactylus louisiadensis — DE ROOIJ 1915: 14
Gymnodactylus louisadensis BARBOUR & LOVERIDGE 1929
Cyrtodactylus louisiadensis — UNDERWOOD 1954
Gymnodactylus louisadensis [sic] — WERMUTH 1965: 60
Gonydactylus louisiadensis — KLUGE 1991
Cyrtodactylus louisiadensis — COGGER 2000: 210
Cyrtodactylus (Cyrtodactylus) louisiadensis — RÖSLER 2000: 66
Cyrtodactylus louisiadensis — TALLOWIN et al. 2018 
DistributionPapua New Guinea (Sudest Island, Milne Bay Province)

Type locality: Tagula Island, British New Guinea (fide LOVERIDGE 1948). “Sudest” [Island, Papua New Guinea], fide KRAUS 2008.  
TypesNeotype. BPBM 19741 (field tag FK 9721), adult female, collected by F. Kraus along Gesirava River, W slope Mt. Riu, 11.49179ºS, 153.41261ºE, 127 m, Sudest Island, Milne Bay Province, Papua New Guinea, 21 April 2004.
Holotype: presumed lost (Gymnodactylus louisiadensis De Vis 1892)
Holotype: MCZ 6470 [Gymnodactylus Olivii Garman 1901] 
DiagnosisDiagnosis. A large (SV = 116–133 mm) species of Cyrtodactylus having a single row of enlarged subcaudals; enlarged dorsal tubercles flat, unkeeled, 2–3 times size of adjacent granules (Fig. 2C), in 27–32 rows; lateral tubercles indistinct, ~2–3 times size of adjacent granules and approximately same size as scales of lat-eral skin fold; 34–39 midbelly scale rows; precloacal/femoral pores 69, in a single continuous row; lamellae under fourth toe 24–26; head of moderate width (HW/HL = .67–.72, mean .69); four dark dorsal bands between head and hindlimb insertion, of even width, typically not well margined in black, with 8–13 tubercles sagitally through 3rd dark band; dark spots absent from light dorsal ground color; mouth and cloacal linings pink; ventral scales dirty white clouded with brown; and posterior supralabials brown.
CommentSimilar species: A number of related species have been described as Cyrtodactylus irianjayaensis RÖSLER 21, C. epiroticus, C. klugei, C. robustus, and C. tripartitus KRAUS 28. Previous references to Cyrtodactylus louisiadensis may be in fact one of those Cyrtodactylus species.

Synonymy: Hoplodactylus tuberculatus LUCAS & FROST 19 was removed from the synonymy of Cyrtodactylus louisiadensis by KLUGE 1963. Gymnodactylus Olivii GARMAN 191 has been synonymized with Cyrtodactylus louisiadensis by LOVERIDGE 1934 but was recently placed in the synonymy of C. tuberculatus (see that entry).

Distribution: not listed for the Solomon Islands by McCoy 215. 
  • Brown W C; McCoy M 1980. A new species of gecko of the genus Cyrtodactylus from Guadalcanal Island, Solomon Islands. Herpetologica 36 (1) 1980: 66-69 - get paper here
  • Cogger, H.G. 2000. Reptiles and Amphibians of Australia, 6th ed. Ralph Curtis Publishing, Sanibel Island, 808 pp.
  • 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
  • de Vosjoli, Philippe 1996. How to establish the ring-tailed bent-toed gecko Cyrtodactylus louisiadensis. Vivarium 7 (4): 18-21
  • Garman, S. 1901. Some reptiles and batrachians from Australasia. Bull. Mus. Comp. Zool. Harvard 39: 1-14 - get paper here
  • Günther, R. & H. Rösler 2002. Eine neue Art der Gattung Cyrtodactylus GRAY, 1827 aus dem Westen von Neuguinea (Reptilia: Sauria: Gekkonidae). Salamandra 38 (4): 195-212 - get paper here
  • Kluge, A.G. 1963. The systematic status of certain Australian and New Guinean gekkonid lizards. Memoirs of the Queensland Museum 14: 77-86
  • Kraus, Fred 2008. Taxonomic partitioning of Cyrtodactylus louisiadensis (Lacertilia: Gekkonidae) from Papua New Guinea. Zootaxa 1883: 1–27 - get paper here
  • Linkem, Charles W.; Jimmy A. McGuire, Christopher J. Hayden, Mohammed Iqbal Setiadi, David P. Bickford, and Rafe M. Brown 2008. A New Species of Bent-Toe Gecko (Gekkonidae: Cyrtodactylus) from Sulawesi Island, Eastern Indonesia. Herpetologica 64 (2): 224-234 - get paper here
  • Loveridge, A. 1934. Australian reptiles in the Museum of Comparative Zoology, Cambridge, Massachusetts. Bull. Mus. Comp. Zool. Harvard 77: 243-383 - get paper here
  • Loveridge, A. 1948. New Guinean reptiles and amphibians in the Museum of Comparative Zoology and United States National Museum. Bull. Mus. Comp. Zool. Harvard 101 (2): 305-430. - get paper here
  • Lucas, A. H. S., and C. Frost. 1900. Description of a new lizard from northern Queensland. Proceedings of the Royal Society of Victoria, 12:145-146 - get paper here
  • McCoy, M. 2006. Reptiles of the Solomon Islands. Pensoft Series Faunistica 57, 212 pp.
  • McCoy, M. 2015. A Field Guide to the Reptiles of the Solomon Islands. Michael McCoy, Kuranda - get paper here
  • NGO, VAN TRI 2013. Cyrtodactylus dati, a new forest dwelling Bent-toed Gecko (Squamata: Gekkonidae) from southern Vietnam. Zootaxa 3616 (2): 151–164 - get paper here
  • Rösler, H. 2000. Die postanale Beschuppung bei Cyrtodactylus GRAY 1827 und Cyrtopodion FITZINGER 1843 - funktionelle und taxonomische Aspekte (Sauria: Gekkonidae). Gekkota 2: 154-207
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Rösler, H. 2001. Eine neue großwüchsige Cyrtodactylus-Art von Neuguinea (Reptilia: Sauria: Gekkonidae). Zool. Abh. Mus. Tierkunde. Dresden 51 (7): 61 - 71
  • Rösler, H. 2018. Haftbar -- Die einzigartige Welt der Geckos. Begleitheft zur Ausstellung im Naturkundemuseum Erfurt Mai-Aug 2018, 96 pp.
  • Rösler, H. & Glaw, F. 2008. A new species of Cyrtodactylus Gray, 1827 (Squamata: Gekkonidae) from Malaysia including a literature survey of mensural and meristic data in the genus. Zootaxa 1729: 8–22 - get paper here
  • Rösler, H. & S. J. Richards & R. Günther 2007. Bemerkungen zur Morphologie und Taxonomie der östlich der Wallacea vorkommenden Geckos der Gattung Cyrtodactylus GRAY, 1827, mit Beschreibungen von zwei neuen Arten (Reptilia: Sauria: Gekkonidae). Salamandra 43 (4): 193-230 - get paper here
  • SHEA, GLENN; PATRICK COUPER, JESSICA WORTHINGTON WILMER & ANDREW AMEY 2011. Revision of the genus Cyrtodactylus Gray, 1827 (Squamata: Gekkonidae) in Australia. Zootaxa 3146: 1–63 - get paper here
  • Vis, C.W. DE 1892. Zoology of British New Guinea. Part 1. Vertebrata. Ann. Queensland Mus., 2: 1-24 (3-12)
  • Waite, Edgar R. 1905. An addition to the lacertilian fauna of the Solomon Islands. Rec. Austral. Mus. 6 (1): 13-16 - get paper here
  • Werner, F. 1901. Ueber Reptilien und Batrachier aus Ecuador und Neu-Guinea. Verh. Zool.-bot. Ges. Wien 51: 593-614 - get paper here
  • Youmans, Timothy M. & L. Lee Grismer 2006. A new species of Cyrtodactylus (Reptilia: Squamata: Gekkonidae) from the Seribuat Archipelago, West Malaysia. Herpetological Natural History 10 (1): 61-70
  • Tallowin, O. J. S., Tamar, K., Meiri, S., Allison, A., Kraus, F., Richards, S. J., & Oliver, P. M. 2018. Early insularity and subsequent mountain uplift were complementary drivers of diversification in a Melanesian lizard radiation (Gekkonidae: Cyrtodactylus). Molecular Phylogenetics and Evolution 125: 29–39 - get paper here
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