The Acarosporales are an order of fungi in the class Lecanoromycetes. Phylogenetic analyses conducted using the sequences of both the protein-coding gene RPB2 as well as nuclear ribosomal genes place this order within the subclass Acarosporomycetidae.

According to a recent (2020) survey of fungal classification, the Acarosporales contain two families: Acarosporaceae, with 11 genera and about 260 species, and Eigleraceae, with 1 genus and 2 species.

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