Christinus alexanderi (STORR, 1987)

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Higher Taxa	Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies
Common Names	E: Alexander’s Southern Gecko, Alexander’s Marbled Gecko
Synonym	Phyllodactylus marmoratus alexanderi STORR 1987: 281 Christinus marmoratus alexanderi — KLUGE 1993: 5 Christinus alexanderi — DONNELLAN, APLIN & DEMPSEY 2000 Christinus alexanderi — WILSON & SWAN 2010: 58 Christinus alexanderi — HEINICKE et al. 2014
Distribution	Australia (Western Australia) The Nullarbor Plain and adjacent coasts of SE Western Australia and far W South Australia, west to Balladonia HS and Israelite Bay, north at least to the Trans Australian Railway, and east to Cook and Head of Bight. Type locality: Eucla, Western Australia, in 31°43'S, 128°53'E.
Reproduction	oviparous (not imputed, fide Zimin et al. 2022)
Types	Holotype: WAM R281
Diagnosis	Diagnosis: Differing from P. m. marmoratus in its dorsal pattern typically consisting of fine, blackish, shallowly zigzagging or undulate transverse lines; lines on back not followed by a pale spot or blotch. For differences in scalation see under Remarks. Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 1004 characters) are available for collaborators and contributors. Please contact us for details.
Comment	98-141 (N 89, mean 11.2). Reference images: see Uetz et al. 2024 for high-resolution reference images for this species.
Etymology	After William Backhouse Alexander (1885-1965), Keeper of Biology in the Western Australian Museum from 1915 to 1919.
References	Cogger, H. G. 2014. Reptiles and Amphibians of Australia, 7th ed. CSIRO Publishing, xxx + 1033 pp. - get paper here Donnellan,S.C.; Aplin,K.P. & Dempsey,P.J. 2000. Genetic and morphological variation in Australian Christinus (Squamata: Gekkonidae): preliminary overview with recognition of a cryptic species on the Nullarbor plain. Australian Journal of Zoology 48: 289-315 - get paper here Ellis, Ryan J.; Paul Doughty and Aaron M. Bauer 2018. An annotated type catalogue of the geckos and pygopods (Squamata: Gekkota: Carphodactylidae, Diplodactylidae, Gekkonidae, Pygopodidae) in the collection of the Western Australian Museum. Records of the Western Australian Museum 33: 051–094 - get paper here Heinicke, Matthew P.; Juan D. Daza, Eli Greenbaum, Todd R. Jackman & Aaron M. Bauer 2014. Phylogeny, taxonomy and biogeography of a circum-Indian Ocean clade of leaf-toed geckos (Reptilia: Gekkota), with a description of two new genera. Systematics and Biodiversity 12 (1): 23-42, DOI:10.1080/14772000.2013.877999 - get paper here Kluge A G 1993. Gekkonoid Lizard Taxonomy. International Gecko Society, San Diego, 245 pp. Storr, G. M. 1987. The genus Phyllodactylus (Lacertilia: Gekkonidae) in Western Australia. Rec. West. Austr. Mus. 13 (2): 275-284 - get paper here Uetz, P.H.; Patel, M.; Gbadamosi, Z.; Nguyen, A.; Shoope, S. 2024. A Reference Database of Reptile Images. Taxonomy 4: 723–732 - get paper here Wilson, S. & Swan, G. 2010. A complete guide to reptiles of Australia, 3rd ed. Chatswood: New Holland, 558 pp. 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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