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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common Names 
Gekko (Archipelagekko) coi — WOOD et al. 2019
Gekko (Archipelagekko) coi — WOOD et al. 2020 
DistributionPhilippines (Sibuyan)

Type locality: a large stream-side boulder near sea level in mixed second growth and primary forest at Barangay Tampayan, Municipality of Magdiwang, Romblon Province, northeast coast of Sibuyan Island, Philippines (12.486°N, 122.516°E; datum = WGS84).  
Reproductionoviparous (manual and phylogenetic imputation, fide Zimin et al. 2022) 
TypesHolotype: PNM 9765 (Field no. RMB 2961; formerly KU 326208), an adult male collected by ACD at 2330 h on 2 January 2001. Paratypes: FMNH, CA 
DiagnosisDiagnosis: Gekko coi differs from all other species of Philippine Gekko (i.e., G. athymus, G. carusadensis, G. crombota, G. ernstkelleri, G. gecko, G. gigante, G. mindorensis, G. monarchus, G. palawanensis, G. porosus, G. romblon, and G. rossi) in having the following combination of diagnostic traits: (1) moderately large body size (snout–vent length [SVL] 65.2–84.0 for adult males, 72.1–77.1 mm for females); (2) dorsum medium brown to gray, with single row of alternating light (cream) and dark (dark brown) vertebral blotches; (3) high numbers of dorsal body scales (107–132 transverse midbody scales, 192–226 paravertebrals); (4) relatively few rows of conical body tubercles (13–15 midbody, 25–28 paravertebrally; (5) precloacofemorals in a continuous series (precloacals and femoral pore-bearing scale series distinctly differentiated but abutting with no undifferentiated scales interrupting the two series) of 86–92 differentiated, greatly enlarged (precloacals) to only slightly enlarged (femorals) scales [from BOWN et al 2011]. 
EtymologyNamed after a colleague and friend of the authors, Leonardo L. Co, a widely respected botanist and conservation biologist who passed away prematurely in November 2010 while conducting fieldwork on Leyte Island. 
  • Brown, Rafe M.; Cameron D. Siler, Carl H. Oliveros, Arvin C. Diesmos, and Angel C. Alcala 2011. A New Gekko from Sibuyan Island, Central Philippines. Herpetologica 67 (4): 460-476. - get paper here
  • M. Gaulke 2017. Sibuyan – das Galapagos Asiens. Reptilia (Münster) 22 (126): 68-78 - get paper here
  • Meneses CG, Siler CD, Alviola PA, Gonzalez JCT, Balatibat JB, Natividad CA, Brown RM 2022. Amphibian and reptile diversity along a ridge-to-reef elevational gradient on a small isolated oceanic island of the central Philippines. Check List 18(5): 941-948 - get paper here
  • Siler, C.D.; J.C. Swab; C.H. Oliveros; A.C. Diesmos; L. Averia; A.C. Alcala; R.M. Brown 2012. Amphibians and Reptiles, Romblon Island Group, central Philippines: Comprehensive herpetofaunal inventory. Check List 8(3):443-462 - 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
  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
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