Harvestmen occurrence database (Arachnida, Opiliones) of the Museu Paraense Emílio Goeldi, Brazil.

Background: We present a dataset with information from the Opiliones collection of the Museu Paraense Emílio Goeldi, Northern Brazil. This collection currently has 6,400 specimens distributed in 13 families, 30 genera and 32 species and holotypes of four species: Coronato-Ribeiro, Pinto-da-Rocha & Rheims, 2013, Pinto-da-Rocha & Bonaldo, 2011, Pinto-da-Rocha, 1997 and Pinto-da-Rocha & Carvalho, 2009. The material of the collection is exclusive from Brazil, mostly from the Amazon Region.