Radiolaria - Entactinaria - Saturnalidae

Parent taxon: Saturnalidae according to K.-Y. Yeh and Y.-N. Cheng 1998

Sister taxa: Axopruninae, Heliosaturnalinae, Hexasaturnalinae, Liassosatumalis, Mesosaturnalis, Palaeosatumalis, Saturnalinae, Saturnalis

Subtaxa: Praemesosaturnalis acanthicus, Praemesosaturnalis convertus, Praemesosaturnalis gracilis, Praemesosaturnalis heilongjiangensis, Praemesosaturnalis nobleae, Praemesosaturnalis palawanensis, Praemesosaturnalis quadriradiatus, Praemesosaturnalis rugosus, Praemesosaturnalis spiralis, Praemesosaturnalis validus, Praemesosaturnalis zapfei

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Ecology: passively mobile planktonic omnivore