Macerio is a genus of araneomorph spiders in the family Cheiracanthiidae, first described by Eugène Simon in 1897.
Species it contains eight species: Macerio chabon Ramírez, 1997 — Chile Macerio conguillio Ramírez, 1997 — Chile, Argentina Macerio flavus (Nicolet, 1849) — Chile, Argentina Macerio lanin Bonaldo & Brescovit, 1997 — Chile, Argentina Macerio nicoleti (Mello-Leitão, 1951) — Chile Macerio nublio Bonaldo & Brescovit, 1997 — Chile Macerio pichono Bonaldo & Brescovit, 1997 — Chile Macerio pucalan Ramírez, 1997 — Chile
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