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Morocco is one of the richest countries in the Mediterranean Basin, comprising 120 terrestrial amphibians and reptiles, of which 30 are endemic species (25%). Remarkably, the genus Chalcides hits top record with nine endemic species out of 16 existing species. Updated distribution maps were elaborated for each species. A new species was added to the taxonomic list of endemics of Morocco. Three main distribution patterns regarding the occupied area and number of localities were identified: 1/ large, extensive, or widespread, 2/ punctual, and 3/ restricted distribution. Three main distribution patterns regarding the occupied region were identified: 1/ mountain, 2/ Atlantic, and 3/ southern Morocco. The areas apparently accommodating most of the endemic species are located within the Tangitan Peninsula, Atlantic coast, Rif Massif, and High and Middle Atlas.

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Recent molecular phylogenies of the Acanthodactylus pardalis species-group have revealed a deep genetic divergence within the nominal species A. busacki from north-west Africa. The species is phylogenetically separated into northern and southern lineages, which correspond to a previously observed morphological differentiation between the northern and southern populations of this species. Based on morphological comparisons of the type material and location of the type locality, the nomen Acanthodactylus busacki SALVADOR, 1982 is assigned here to the southern lineage, known from the northern Saharan Atlantic coastal desert. The northern lineage, described here as Acanthodactylus margaritae sp. nov., is prominently characterized by weakly keeled dorsal scales and a characteristic colour pattern. The new species is endemic to Morocco and confined to arid and semi-arid bioclimatic areas between the High Atlas and Anti-Atlas Mountains, from around Tamri in the north to Tiznit in the south and the Souss valley in the east.