Helicophyllaceae, a monotypic family of Neotropics, is presented for the Pará State. Helicophyllum torquatum (Hook.) Brid., the single species, was recorded for the Amazonas State, but recently was excluded of checklist of Amazonian mosses. H. torquatum is considered a new report for all Brazilian Amazônia.
mosses; bryophytes; Helicophyllum; Amazônia