Radiolaria - Entactinaria - Saturnalidae

Alternative combination: Spongosaturnalis zapfei

Belongs to Praemesosaturnalis according to Bragin and Krylov 1996

Sister taxa: Praemesosaturnalis acanthicus, Praemesosaturnalis convertus, Praemesosaturnalis gracilis, Praemesosaturnalis heilongjiangensis, Praemesosaturnalis nobleae, Praemesosaturnalis palawanensis, Praemesosaturnalis quadriradiatus, Praemesosaturnalis rugosus, Praemesosaturnalis spiralis, Praemesosaturnalis validus

Ecology: passively mobile planktonic omnivore