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Cnemaspis bayuensis GRISMER, GRISMER, WOOD & CHAN, 2008

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Kampung Bayu Rock Gecko, Gua Bayu Rock Gecko, Bayu Cave Rock Gecko 
SynonymCnemaspis bayuensis GRISMER, GRISMER, WOOD & CHAN 2008
Cnemaspis bayuensis — GRISMER 2011
Cnemaspis bayuensis — GRISMER et al. 2014: 90 
DistributionW Malaysia (Kelantan)

Type locality: 120 m from Gua Bayu, Kelantan, Peninsular Malaysia (05°05.650 N, 102°13.265 E).  
Reproductionoviparous 
TypesHolotype: ZRC 2.6759, adult male, collected on 24 June 2008 by Jesse L. Grismer, Perry L. Wood, Jr., and L. Lee Grismer at 1030 hrs. Paratypes. Collection locality, date and time of collection, and collectors of the paratypes are the same as that for the holotype. ZRC 2.6760 and LSUHC 9073 are males and ZRC 2.6761 is a female. 
DiagnosisDiagnosis: Maximum SVL 46.1 mm; nine or 10 supralabials; eight or nine infralabials; ventral scales keeled; 5–9 discontinuous, pore-bearing precloacal scales with round pores; 23–30 paravertebral tubercles; tubercles not linearly arranged, present on flanks; tubercles absent from lateral caudal furrows; no ventrolateral caudal tubercles; lateral caudal row present; caudal tubercles not restricted to a single paravertebral row nor encircling tail; all subcaudals keeled, no enlarged median scacle row; two postcloacal tubercles on each side of tail base; no enlarged femoral or subtibial scales; subtibials keeled; no submetatarsal scales on first toe; 27–32 subdigital fourth toe lamellae; whitish bars on flanks. These differences are summarized across all Southeast Asian species in Grismer et al. (2008b:Tables 6,7). 
CommentAbundance: only known from its original description (Meiri et al. 2017). This is one of the species called 'lost' and 'rediscovered' by Lindken et al. 2024. 
EtymologyThe specific epithet bayuensis is in reference to the type locality of Kampung Bayu. The Latin suffix -ensis is a derivation meaning “from” or “inhabiting” and renders the specific epithet an adjective that must be in grammatical accord with the gender of Cnemaspis. 
References
  • GRISMER, L. LEE; & EVAN S. H. QUAH 2019. An updated and annotated checklist of the lizards of Peninsular Malaysia, Singapore, and their adjacent archipelagos. Zootaxa 4545 (2): 230–248 - get paper here
  • GRISMER, L. LEE; MONTRI SUMONTHA, MICHAEL COTA, JESSE L. GRISMER, PERRY L. WOOD, JR., OLIVIER S. G. PAUWELS & KIRATI KUNYA 2010. A revision and redescription of the rock gecko Cnemaspis siamensis (Taylor 1925) (Squamata: Gekkonidae) from Peninsular Thailand with descriptions of seven new species. Zootaxa 2576: 1–55 - get paper here
  • GRISMER, L. LEE; NORHAYATI AHMAD, CHAN KIN ONN, DAICUS BELABUT, MUIN, M. A., PERRY L. WOOD, JR, & JESSE L. GRISMER 2009. Two new diminutive species of Cnemaspis Strauch 1887 (Squamata: Gekkonidae) from Peninsular Malaysia. Zootaxa 2019: 40-56 - get paper here
  • GRISMER, L. LEE; P. L. WOOD, JR., EVAN S. H. QUAH, SHAHRUL ANUAR, EHWAN NGADI & NORHAYATI AHMAD 2015. A new insular species of Rock Gecko (Cnemaspis Boulenger) from Pulau Langkawi, Kedah, Peninsular Malaysia. Zootaxa 3985 (2): 203–218 - get paper here
  • Grismer, L.L. 2011. Lizards of Peninsular Malaysia, Singapore and their adjacent archipelagos. Edition Chimaira, Frankfurt, 728 pp. [review in Herp. Rev. 43: 155] - get paper here
  • Grismer, L.L.; Grismer, J.L.; Wood Jr., P.L.; Chan K. Onn 2008. The distribution, taxonomy, and redescription of the geckos Cnemaspis affinis (Stoliczka 1887) and C. flavolineata (Nicholls 1949) with descriptions of a new montane species and two new lowland, karst- dwelling species from Peninsular Malaysia. Zootaxa 1931: 1–24 - get paper here
  • Grismer, L.L.; P. L. WOOD, JR., SHAHRUL ANUAR, H. R. DAVIS, A. J. COBOS & M. L. MURDOCH 2016. A new species of karst forest Bent-toed Gecko (genus Cyrtodactylus Gray) not yet threatened by foreign cement companies and a summary of Peninsular Malaysia’s endemic karst forest herpetofauna and the need for its conservation. Zootaxa 4061 (1): 001–017 - get paper here
  • Grismer, L.L.; PERRY JR L. WOOD, SHAHRUL ANUAR, AWAL RIYANTO, NORHAYATI AHMAD, MOHD A. MUIN, MONTRI SUMONTHA, JESSE L. GRISMER, CHAN KIN ONN, EVAN S. H. QUAH, OLIVIER S. A. PAUWELS 2014. Systematics and natural history of Southeast Asian Rock Geckos (genus Cnemaspis Strauch, 1887) with descriptions of eight new species from Malaysia, Thailand, and Indonesia. Zootaxa 3880 (1): 001–147 - get paper here
  • Grismer, L.L.; PERRY L. WOOD JR., MAKETAB MOHAMED, KIN ONN CHAN, HEATHER M. HEINZ, ALEX S-I. SUMARLI, JACOB A. CHAN, ARIEL I. LOREDO 2013. A new species of karst-adapted Cnemaspis Strauch, 1887 (Squamata: Gekkonidae) from a threatened karst region in Pahang, Peninsular Malaysia. Zootaxa 3746 (3): 463–472 - get paper here
  • Lindken T.; Anderson, C. V., Ariano-Sánchez, D., Barki, G., Biggs, C., Bowles, P., Chaitanya, R., Cronin, D. T., Jähnig, S. C., Jeschke, J. M., Kennerley, R. J., Lacher, T. E. Jr., Luedtke, J. A., Liu, C., Long, B., Mallon, D., Martin, G. M., Meiri, 2024. What factors influence the rediscovery of lost tetrapod species? Global Change Biology, 30: 1-18 - 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
  • Nguyen, H.N., Hung, C., Yang, M. et al. 2020. Sympatric competitors have driven the evolution of temporal activity patterns in Cnemaspis geckos in Southeast Asia. Sci Rep 10: 27 - get paper here
  • WOOD, PERRY JR. L.; EVAN S.H. QUAH, SHAHRUL ANUAR M.S., MOHD ABDUL MUIN 2013. A new species of lowland karst dwelling Cnemaspis Strauch 1887 (Squamata: Gekkonidae) from northwestern Peninsular Malaysia. Zootaxa 3691 (5): 538–558 - get paper here
 
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