Radiolaria - Entactinaria - Rhizosphaeridae
Parent taxon: Entactinaria according to P. De Wever et al. 2001
Sister taxa: Braginella, Centrocubidae, Cyclocarpus, Ellisus, Entactiniidae, Eptingiidae, Haplentactiniidae, Helioentactinia, Heptacladidae, Hexalonchidae, Hexastylidae, Hindeosphaeridae, Hollandocachoniidae, Inaniguttidae, Isometractiniidae, Kahlerosphaera, Kungalariidae, Multiarcusellidae, Odoghertitidae, Palaeolithocycliidae, Palaeoscenidiidae, Paleoxiphosphaera, Pentactinocarpidae, Polyentactiniidae, Protoentactiniacea, Proventocitidae, Pylentonemidae, Quinquecapsulariidae, Radium, Saturnalidae, Spongosaturnaloididae, Tetrentactiniidae, Thalassothamnidae, Triumbraculidae
Subtaxa: Elatommura Haliommilla Rhizosphaera
Type: Rhizosphaera
Ecology: passively mobile planktonic omnivore
Distribution:
• Jurassic of Italy (2 collections)
Total: 2 collections each including a single occurrence