Radiolaria - Entactinaria - Hexastylidae
Parent taxon: Entactinaria according to P. De Wever et al. 2001
Sister taxa: Braginella, Centrocubidae, Cyclocarpus, Ellisus, Entactiniidae, Eptingiidae, Haplentactiniidae, Helioentactinia, Heptacladidae, Hexalonchidae, Hindeosphaeridae, Hollandocachoniidae, Inaniguttidae, Isometractiniidae, Kahlerosphaera, Kungalariidae, Multiarcusellidae, Odoghertitidae, Palaeolithocycliidae, Palaeoscenidiidae, Paleoxiphosphaera, Pentactinocarpidae, Polyentactiniidae, Protoentactiniacea, Proventocitidae, Pylentonemidae, Quinquecapsulariidae, Radium, Rhizosphaeridae, Saturnalidae, Spongosaturnaloididae, Tetrentactiniidae, Thalassothamnidae, Triumbraculidae
Subtaxa: Centracontium Centrolonche Hexastylus Stigmosphaera Stigmosphaerusa Stigmostylus
Type: Hexastylus
Ecology: passively mobile planktonic omnivore
Distribution:
• Cretaceous of Austria (1 collection), Oman (3), the Philippines (1)
• Jurassic to Cretaceous of Austria (1), Germany (1)
• Jurassic of Antarctica (9), Austria (2), Italy (1), Japan (1), the Russian Federation (1), Slovakia (1)
• Triassic of Austria (1)
Total: 23 collections including 30 occurrences