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Christinus alexanderi (STORR, 1987)

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Alexander’s Southern Gecko, Alexander’s Marbled Gecko 
SynonymPhyllodactylus 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 
DistributionAustralia (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.  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: WAM R281 
DiagnosisDiagnosis: 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. 
Comment98-141 (N 89, mean 11.2). 
EtymologyAfter 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
  • 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
 
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