摘要 : A diminutive new species of Predaea (Gigartinales, Rhodophyta) is described from coral reef habitats in Puerto Rico, Caribbean Sea. It is composed of compressed lobes which radiate to form an irregularly rounded shape. The new spe... 展开 A diminutive new species of Predaea (Gigartinales, Rhodophyta) is described from coral reef habitats in Puerto Rico, Caribbean Sea. It is composed of compressed lobes which radiate to form an irregularly rounded shape. The new species is characterized by its cylindrical cortical cells, 3-celled carpogonial branches, small number of nutritive cells associated with auxiliary cells and initiation of gonimoblasts from connecting filaments. 收起