The wood mulch-slider or Mueller's three-toed lerista (Lerista muelleri ), is a species of lizard belonging to the extensive family Scincidae, a family containing over 1,500 species. The species is found in a diverse range of climates and habitats throughout Western Australia, Northern Territory, Queensland, New South Wales, South Australia and Victoria. Named after the German-born Australian naturalist Baron Ferdinand Jacob Heinrich Müller (1825–1896), the species has been the subject of much morphological and nomenclature debate.

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