Gekko rossi BROWN, OLIVEROS, SILER & DIESMOS, 2009

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Higher Taxa	Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies
Common Names	E: Ross’ Calayan Gecko
Synonym	Gekko rossi BROWN, OLIVEROS, SILER & DIESMOS 2009 Gekko monarchus — STEJNEGER 1907 Gekko (Archipelagekko) rossi — WOOD et al. 2019 Gekko (Archipelagekko) rossi — WOOD et al. 2020
Distribution	Philippines (Calayan) Type locality: m from the ground on the trunk of a large (1.2 mdbh) tree by RMB at an area known locally as ‘‘Macarra,’’ Barangay Magsidel, Municipality of Calayan, Cagayan Province, Calayan Island, Philippines (19.294°N, 121.409°E; 245 m elevation).
Reproduction	oviparous (manual and phylogenetic imputation, fide Zimin et al. 2022)
Types	Holotype: PNM 9543 (Field number RMB 5998; formerly KU 304877), an adult male collected at 2245 h 2 on 15 March 2006.
Diagnosis	Diagnosis: Gekko rossi differs from all other species of Philippine Gekko (i.e., G. athymus, G. crombota, G. ernstkelleri, G. gecko, G. gigante, G. mindorensis, G. monarchus, G. palawanensis, G. porosus, and G. romblon) by the following combination of characters (1) larger body size (SVL 95.5–108.2 mm for adult males; 86.8–100.0 for females); (2) dorsum brown with six diffuse transverse black bars adjacent to six transverse series of two or three cream spots; (3) high numbers of dorsal body scales (125–170 transverse midbody scales; 251–281 paravertebrals); (4) high number of sharply conical dorsal body tubercle rows (16–18 midbody; 31–37 paravertebrally); (5) 77–88 enlarged precloacal-femorals arranged in a continuous, uninterrupted series (pore bearing in males; lacking pores in females).
Comment	Abundance: only known from its original description (Meiri et al. 2017).
Etymology	Named for Charles Andrew Ross in recognition of his numerous contributions to the systematics of reptiles and amphibians of the Philippines and his particular enthusiasm for the herpetofauna of the Babuyan islands.
References	Brown, R.M.; Oliveros, C.; Siler, C.D. & Diesmos, A.C. 2009. Phylogeny of Gekko from the Northern Philippines, and Description of a New Species from Calayan Island. Journal of Herpetology 43 (4): 620–635 - get paper here 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 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 - get paper here Oaks, J. R., Siler, C. D. and Brown, R. M. 2019. The comparative biogeography of Philippine geckos challenges predictions from a paradigm of climate‐driven vicariant diversification across an island archipelago. Evolution doi:10.1111/evo.13754 - get paper here Stejneger, L. 1907. A new geckoid lizard from the Philippine Islands. Proc. US Natl. Mus. 33: 545-546 [1908] - 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
External links	IUCN Red List National Center for Biotechnology Information Google images

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