Three new fossil algae are described and figured from Lower Cretaceous strata of North and South America. These are: Lithophyllum? venezuelaensis n. sp. (Corallinaceae) from Early Cretaceous strata in the Coast Ranges of Venezuela; Permocalculus cf. P. irenae Elliott (Gymnocodiaceae) from Early Cretaceous subsurface rocks of Karnes County, Texas; and Salpingoporella texana n. sp. (Dasycladaceae), also from Early Cretaceous subsurface rocks of Karnes County, Tex.