Subfamily Plegmosphaerinae Haeckel 1881 (radiolarian)
Protozoa - Radiolaria - Ethmosphaeridae
Parent taxon: Ethmosphaeridae according to A. R. Loeblich and H. Tappan 1961
Sister taxon: Ethmosphaerinae
Subtaxa: Dictyoplegma
Ecology: passively mobile planktonic omnivore
Distribution: there are no occurrences of Plegmosphaerinae in the database