Radiolaria - Entactinaria - Saturnalidae

Alternative combinations: Pseudoheliodiscus quadriradiatus, Spongosaturnalis quadriradiatus

Belongs to Praemesosaturnalis according to Bragin and Krylov 1996

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

Ecology: passively mobile planktonic omnivore