Revista de Biología Tropical ISSN Impreso: 0034-7744 ISSN electrónico: 2215-2075
OAI: https://revistas.ucr.ac.cr/index.php/rbt/oaiRadiolarians are an important group of marine planktonic protists. The polycystines (Phylum Radiozoa, Class Polycystina) are a group of radiolarians whose skeletons are made of opal (amorphous silica) and form the basis for their taxonomic classification. There are few recent studies of radiolarians in Costa Rica.