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Tenuidactylus caspius (EICHWALD, 1831)

IUCN Red List - Tenuidactylus caspius - Least Concern, LC

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
SubspeciesTenuidactylus caspius caspius (EICHWALD 1831)
Tenuidactylus caspius insularis (AKHMEDOV & SZCZERBAK 1978) 
Common NamesE: Caspian Bent-Toed Gecko, Caspian Thin-Toed Gecko
G: Kaspischer Nacktfingergecko, Bogenfingergecko 
SynonymGymnodactylus caspius EICHWALD 1831: 181
Gymnodactylus caspius — BOULENGER 1885: 26
Cyrtodactylus caspius — UNDERWOOD 1954: 475
Gymnodactylus caspius — LEVITON 1959: 461
Tenuidactylus caspius — SZCZERBAK & GOLUBEV 1984
Cyrtopodion (Tenuidactylus) caspius — BÖHME 1985: 96
Tenuidactylus caspius — KLUGE 1993
Cyrtodactylus caspius — ENGELMANN et al 1993
Cyrtopodion caspium — ANDERSON 1999
Cyrtopodion (Tenuidactylus) caspius — RÖSLER 2000: 68
Tenuidactylus caspius — SZCZERBAK 2003
Cyrtopodion caspium — FROST 2007 (pers. comm.)
Cyrtopodion (Tenuidactylus) caspium — SINDACO & JEREMČENKO 2008
Tenuidactylus caspius — BAUER et al. 2013
Cyrtopodion caspius— DUNAEV & ORLOVA 2017

Tenuidactylus caspius insularis (AKHMEDOV & SZCZERBAK 1978)
Gymnodactylus caspius insularis AKHMEDOV & SZCZERBAK 1978
Tenuidactylus caspius insularis — ANANJEVA et al. 2006: 36 
DistributionAzerbaijan, Iran, NW Afghanistan, former USSR (Caucasus), Islands of the Caspian Sea, Kazakhstan, Turkmenistan, Uzbekistan, E Republic of Georgia, Abkhazia, Armenia, Dagestan (Igor Doronin, pers. comm., 23 May 2016)

Type locality: Baku, Azerbaijan

insularis: Azerbaijan (island Wulf in the Caspian Sea)  
TypesLectotype: ZISP (ZIL) 3182, designated by Sz & G, 1986:132; paralectotype: ZISP (ZIL) 3181
Holotype: NMNHU (given as ZIK Ren07 by De Lisle et al. 2013) [insularis] 
DiagnosisDiagnosis: Subfemoral tubercles present; males with continuous series of 23-31 femoral and preanal pores (total both sides); 19-23 strongly keeled, mucronate dorsal tubercles in paravertebral row from occiput to level of vent; first pair of postmentaIs in broad contact (Anderson 1999: 156).

Color pattern: Dorsum gray or brown with dark transverse bars, often indistinct or broken into spots, five of these bars on body, first on neck, 11-12 on tail; upper part of head brownish with indistinct dark spots; snout often with three dark streaks on each side, running from eye to lip; venter white (Anderson 1999: 156) 
CommentType species: Gymnodactylus caspius EICHWALD 1831: 181 is the type species of the genus Tenuidactylus SZCZERBAK & GOLUBEV 1984: 52.

Distribution: See map in SMID et al. 2014 for distribution in Iran. 
EtymologyNamed after the Caspian sea. 
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