Abstract
This study addresses the Marattiaceae taxa recorded in ferruginous formations of Serra dos Carajás, Pará state, with descriptions, images, geographical distribution, and comments. In the study area one genus and two species were recorded: Danaea cartilaginea and Danaea leprieurii. The two species are new records to Pará state.
Key words:
Amazonia; Danaea; flora; new records; eusporangiate ferns