A survey on Myxomycetes was made in the woods of Crato Municipality. State of Ceará, Brazil (7º13'53" S; 39º24,28" W; Alt. 422m). when the following families and genera were registered: Ceratiomyxaceae (Ceratiomyxa, 1 sp.); Cribrariaceae (Cribraria, 1 sp., Dictydium. 1 sp.); Didymiaceae (Didymium, 2sp.); Enteridiaceae Dictydiaethalium, 1 sp.); Physaraceae (Badhamia. 2sp., Fuligo, 2sp., Physarum, 5sp.); Stemonitaceae Comatricha, 3sp., Stemonitis, 6sp.); Trichiaceae (Arcyria, 3sp., Hemitrichia, 2sp., Perichaena, lsp.).The species sporulated mostly on dead dicotyledones wood, followed by monocotyledones (Arecaceae) debris and litter. The survey raises the number of registers referred to the State of Ceará to 30 species. One family and 19 species are new records for that State while Arcyria magna var. rosea Rex represents a new record for Brazil. Key for the species, comments and geographical distribution in Northeast Brazil arc presented.
Myxomycetes; tropical forest; chorology