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Lakigecko aaronbaueri TORKI, 2020

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) 
Subspecies 
Common Names 
SynonymLakigecko aaronbaueri TORKI 2020 
DistributionIran (Lorestan)

Type locality: western slope of the central Zagros Mountains, Garmabe Region, Nourabad, Lorestan Province, western Iran, (34°03’N, 47°28’E, elevation 1,470 m elevation)  
Reproduction 
TypesHolotype: MTD 49500, adult male, collected on 8 April 2016 at night by Farhang Torki.
Paratype (Fig. 4): Adult male, MTD 49499, same data as for holotype. 
DiagnosisDefinition (genus): The monotypic genus Lakigecko gen.n. differs from all other genera of the Family Gekkonidae by the following combination of characters: (1) depressed tail; (2) much flattened head and body; (3) acute head angle (laterally); (4) eye horizontally ellipsoid (horizontal/vertical ratio in life more than 1.2 and preserved approximately 1.6); (5) whorls of tubercles approximately circular (extended onto ventrolateral surface): strongly spinose and keeled caudal tubercles that extend onto dorsolateral and ventrolateral surfaces, lateral tubercles larger than mid-dorsal and ventral, mid- dorsal and ventral tubercles are clearly different from smaller subcaudal scales, whorls separated by two rows of keeled scales; (6) spinose tubercles extend along entire length of tail (tubercle shape consistent throughout); (7) mid-dorsal tubercle rows separated from each other by two scales, dorsolateral rows of tubercles (four tubercle rows on each side) are in contact with one another; (8) dorsolateral scales strongly elevated, pyramidal, and keeled; (9) dorsal scales mostly smooth; and (10) without femoral or precloacal pores; two postcloacal pores (openings to the postcloacal sacs).

Comparisons (with other genera, Fig. 2, Table 2 in Torki 2020): Differs from Cyrtopodion Fitzinger, 1843 by having small, spiny, and strongly keeled subcaudal scales (vs. smooth, plate-like subcaudals); dorsal scales elevated and overlapping
(vs. non-elevated or flattened cobble-stone shaped) and a greatly flattened and elongate head (vs. head oval and more massive); from Mediodactylus Szczerbak and Golubev, 1977 by having keeled, tubercular scales forming the end of each caudal segment (vs. in the middle of each segment), at least 14 sharply keeled tubercles in each caudal whorl (vs. a semicircle of six whorls: three on left and three on right), caudal tubercles in contact with one another laterally (vs. not in contact), caudal tubercles forming a relatively complete ring around the tail (vs. distributed only on the dorsal half of the tail), and a flattened and elongate head (vs. not); from Carinatogecko Golubev and Szczerbak, 1981 by smooth subdigital lamellae on the forelimbs and hindlimbs (vs. keeled transverse subdigital lamellae), and smooth dorsal scales (vs. strongly keeled); from Tenuidactylus Szczerbak and Golubev, 1984 by the lack of femoral pores (vs. more than 20 femoral pores), ventral subcaudals small and strongly keeled (vs. plate-like and smooth), 14 sharply keeled tubercles in each tail whorl segment (vs. six tubercles per whorl); and a flattened and elongated head (vs. not). In general, the new genus is easily differentiated from Cyrtopodion, Tenuidactylus, Mediodactylus, and Carinatogecko by its acute head angle (less than 30° vs. 40°, 40°, 35°, and 35°, respectively), strongly flattened head, depressed tail, more caudal tubercles, spinose caudal tubercles, and elliptical eye shape.
Lakigecko gen.n. can be distinguished from Agamura Blanford, 1874 by its large and strongly keeled caudal tubercles (vs. not), limbs robust (vs. slender), enlarged postmentals (vs. not enlarged), and tail broad (vs. slender); from Bunopus Blanford, 1874, by subdigital lamellae completely smooth (vs. subdigital lamellae with free margin under magnification); 14 sharply keeled tubercles in each whorl segment of tail (vs. 4–6 and not sharp and spiny); from Rhinogecko de Witte, 1973 by nasal scales not forming a cylindrical caruncle (vs. nostril at apex of prominent swollen or cylindrical caruncle formed by the nasal scales); from Microgecko and Tropiocolotes Peters, 1880 by having uniform dorsal scales, large scales, and keeled tubercles on the dorsum of body and tail (vs. dorsal scales heterogeneous, scales small, and without keeled tubercles on dorsum and tail); from Hemidactylus by non-dilated digits (vs. well-defined dilated digital bases); from Pseudoceramodactylus Haas, 1957, Crossobamon Boettger, 1888, and Stenodactylus Fitzinger, 1826 and Teratoscincus by digits without elongate fringes (vs. digits with well-defined lateral elongate fringes); from Parsigecko Safaei-Mahroo, Ghaffari, and Anderson, 2016 by large, keeled tubercles on body dorsum, subcaudal scales small and strongly keeled (vs. without dorsal tubercles, and subcaudal scales large and smooth). 
CommentType species: Lakigecko aaronbaueri TORKI 2020 is the type species of the genus Lakigecko TORKI 2020. 
EtymologyThe generic nomen Lakigecko is derived from the word “Laki” which refers to the Lak region near the type locality.

The species is named after American herpetologist Aaron M. Bauer. 
References
  • Torki F. 2020. A new gecko genus from Zagros Mountains, Iran. Amphibian & Reptile Conservation 14(1) [General Section]: 55–62 (e223) - get paper here
 
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