Radiolaria - Entactinaria - Saturnalidae

Parent taxon: Saturnalidae according to P. De Wever et al. 2001

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

Subtaxa: Acanthocircus, Aurisaturnalis, Moebicircus, Praeacanthocircus, Pseudacanthocircus, Spinoellipsella, Spongosaturninus, Vitorfus

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Type: Saturnalis

Ecology: passively mobile planktonic omnivore