Abstract
Pylaisiadelphaceae is respresented by four species of the genera Isopterygium (2 spp.), Pterogonidium (1 sp.) and Taxithelium (1 sp.) in the canga areas of the Serra dos Carajás, Pará state, for which are presented descriptions, illustrations and morphological comments.
Key words:
Bryoflora; FLONA Carajás; mosses; taxonomy