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Acanthodactylus is a widespread lacertid genus occurring from the Iberian Peninsula and western North Africa to western India including the Middle East, Cyprus, and the Arabian Peninsula. The genus is in dire need of a taxonomic revision, and the phylogenetic relationships amongst and within its species remain unclear. In particular, the taxonomy and relationship of the allopatric, narrow-ranged Acanthodactylus schreiberi and its close relative, the widespread Acanthodactylus boskianus asper, are poorly understood. We estimated the phylogenetic and phylogeographical structure of A. schreiberi across its distribution range, and evaluated its relationships to A. b. asper, using mitochondrial and nuclear data. The phylogenetic results indicate that both species are paraphyletic, with A. schreiberi nested within A. b. asper, and the subspecies A. schreiberi syriacus nested within a distinct lineage of A. b. asper. We suggest that the group is in need of a taxonomic revision because the identified lineages and genetic diversity are incongruent with the currently recognized taxonomy. We tentatively conclude that A. schreiberi is restricted to Cyprus and Turkey, reduced to a single form, and that the populations in Lebanon and Israel belong to A. b. asper. © 2014 The Linnean Society of London [ABSTRACT FROM AUTHOR]