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Gekko iskandari (BROWN, SUPRIATNA & OTA, 2000)

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common Names 
SynonymLuperosaurus iskandari BROWN, SUPRIATNA & OTA 2000
Luperosaurus iskandari — KOCH 2012
Gekko iskandari — BROWN et al. 2012 (preliminary)
Gekko (Sundagekko) iskandari — WOOD et al. 2019
Gekko (Lomatodactylus) iskandari — WOOD et al. 2020
Luperosaurus iskandari — LINDKEN et al. 2024 
DistributionIndonesia (Sulawesi = Celebes)

Type locality: At 85 m elevation at the base of Mt. Tompotika, approx. 4 km E of Dusun Satu (Region 1), Kampung/Desa (Village) Siuna, Kecamatan (Kingdom), Pagimana, Kabupaten (Regency) Banggai, Propinsi Sulawesi Tengah (Centra Sulawesi Province), Sulawesi Island, Indonesia (0°44.5’S, 123°01.1’E).  
Reproductionoviparous 
TypesHolotype: MZB Lace. 2114, adult female 
DiagnosisDiagnosis: Luperosaurus iskandari differs from L. browni and L. brooksi by (1) the shape of the auricular opening, (2) a greater number of supra- and infralabials, (3) fewer enlarged scales in the preanofemoral pore-bearing series, (4) more extensive cutaneous pre- and postbrachial expansions, (5) presence of denticulate tail lobes, (6) absence of laterally enlarged, spinose, and caudally angled tail tubercles, and (7) the presence of paired dark brown temporal blotches (Fig. 2). Luperosaurus iskandari further differs from L. brooksi by the presence of subrictal tubercles (Fig. 3A). Luperosaurus iskandari differs from L. cumingi by (1) the shape of the auricular opening, (2) a larger head length/ width ratio, (3) an elongate (vs robust) body shape, (4) flat, imbricate ventrals (vs ventrals granular and nonimbricate), (5) fewer enlarged scales in the preanofemoral pore-bearing series, (6) presence of denticulate tail lobes, (7) absence of laterally enlarged tail tubercles, and (8) presence of subrictal tubercles. Luperosaurus iskandari differs from L. yasumai, L. joloensis, L. macgregori, and L. palawanensis by (1) a much larger body size, (2) the shape of the auricular opening, (3) a larger head length/width ratio, (4) an elongate (vs robust) body shape, (5) a greater number of supralabials and (except L. macgregorn) infralabials, (6) a greater number of toe IV scansors, (7) presence of subrictal tubercles, (8) absence of lateral tail tubercles, (9) absence of strongly convex or spinose lateral body tubercles, and (10) presence of paired dark brown temporal blotches. The new species further differs from L. yasumai, L. macgregori, and L. palawanensis by more extensive pre- and postbrachial cutaneous expansions (narrow folds in these three species) and further differs from L. joloensis, L. macgregori, and L. palawanensis by the presence of denticulate tail lobes. Luperosaurus iskandari further differs from L. yasumai by the presence of preanofemoral pores in females, a much narrower tail width (5.2 vs 10.4 mm), more pointed (vs rounded) denticulate tail lobes, and a greater separation between the lobes (vs basal lobe fusion along lateral margins of the tail; compare Fig. 4 and Ota et al., 1996, fig. 2). Luperosaurus iskandari further differs from L. macgregori by the presence of flat, imbricate ventrals (vs ventrals small and granular), and further differs from L. macgregori and L. palawanensis by more extensive interdigital webbing. (Brown et al. 2000)


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CommentPhylogeny: Luperosaurus iskandari is nested within Gekko (BROWN et al. 2012), and hence may have to be renamed.

Abundance: only known from the type specimen (Meiri et al. 2017). 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Brown, R. M. and A. C. Diesmos 2000. The lizard genus Luperosaurus: taxonomy, history, and conservation prospects for some of the world's rarest lizards. Sylvatrop: Technical Journal of Philippine Ecosystems and Natural Resources 10:107-124.
  • Brown, R.M.; Diesmos, A. C. & Duya, M.V. 2007. A new Luperosaurus (Squamata: Gekkonidae) from the Sierra Madre of Luzon Island, Philippines. Raffles Bulletin of Zoology 55 (1): 167-174 - get paper here
  • Brown, Rafe M., Jatna Supriatna and Hidetoshi Ota. 2000. Discovery of a new species of Luperosaurus (Squamata: Gekkonidae) from Sulawesi, with a phylogenetic analysis of the genus, and comments on the status of Luperosaurus serraticaudus. Copeia 2000 (1): 191-209 - get paper here
  • CHATRI, M., AHDA, Y., ZULYUSRI, Z., SEPTIADI, L., RIYANTO, A., & NUGRAHA, F. A. D. 2024. The occurrence of the very rare species Gekko cf. brooksii (Squamata, Gekkonidae) in West Sumatra, Indonesia, based on molecular and morphological evidence. Biodiversitas Journal of Biological Diversity, 25(9): 3369-3379 - get paper here
  • Iskandar, Djoko T. and Mumpuni 2002. The herpetological type specimens in the Museum Zoologicum Bogoriense Collection. Hamadryad 27 (1):123-135 - get paper here
  • Koch, A. 2011. The Amphibians and Reptiles of Sulawesi: Underestimated Diversity in a Dynamic Environment. In: F.E. Zachos and J.C. Habel (eds.), Biodiversity Hotspots. Springer, Berlin, p. 383-404 - get paper here
  • Koch, A. 2012. Discovery, Diversity, and Distribution of the Amphibians and Reptiles of Sulawesi and its offshore islands. Edition Chimaira, 374 pp. [ISBN 978-3-89973-432-4] - get paper here
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions 24 (2): 262-273 - get paper here
  • Rafe M. Brown, Cameron D. Siler, Indraneil Das, Yong Min 2012. Testing the phylogenetic affinities of Southeast Asia’s rarest geckos: Flap-legged geckos (Luperosaurus), Flying geckos (Ptychozoon) and their relationship to the pan-Asian genus Gekko. Molecular Phylogenetics and Evolution 63: 915-921 - get paper here
  • Wood Jr, Perry L.; Xianguang Guo, Scott L. Travers, Yong-Chao Su, Karen V. Olson, Aaron M. Bauer, L. Lee Grismer, Cameron D. Siler, Robert G. Moyle, Michael J. Andersen, Rafe M. Brown 2019. Parachute geckos free fall into synonymy: Gekko phylogeny, and a new subgeneric classification, inferred from thousands of ultraconserved elements. bioRxiv 717520 [preprint] - get paper here
  • Wood, P. L., Guo, X., Travers, S. L., Su, Y. C., Olson, K. V., Bauer, A. M., Grismer, L. L., Siler, C. D., Moyle, R. G., Andersen, M. J. and Brown, R. M. 2020. Parachute geckos free fall into synonymy: Gekko phylogeny, and a new subgeneric classification, inferred from thousands of ultraconserved elements. Molecular Phylogenetics and Evolution 146: 106731 [corrigendum: MPE 164: 107255] - get paper here
 
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