Polycystina - Entactinaria - Inaniguttidae
Parent taxon: Entactinaria according to P. De Wever et al. 2001
See also Buckman and Aitchison 2001 and Maletz and Bruton 2008
Sister taxa: Braginella, Centrocubidae, Cyclocarpus, Ellisus, Entactiniidae, Eptingiidae, Haplentactiniidae, Helioentactinia, Heptacladidae, Hexalonchidae, Hexastylidae, Hindeosphaeridae, Hollandocachoniidae, Isometractiniidae, Kahlerosphaera, Kungalariidae, Multiarcusellidae, Odoghertitidae, Palaeolithocycliidae, Palaeoscenidiidae, Paleoxiphosphaera, Pentactinocarpidae, Polyentactiniidae, Protoentactiniacea, Proventocitidae, Pylentonemidae, Quinquecapsulariidae, Radium, Rhizosphaeridae, Saturnalidae, Spongosaturnaloididae, Tetrentactiniidae, Thalassothamnidae, Triumbraculidae
Subtaxa: Fusalfanus Inanibigutta Inanigutta Inanihella Oriundogutta
Ecology: passively mobile planktonic omnivore
Distribution:
• Silurian of the United Kingdom (1 collection)
• Ordovician of Kazakhstan (1), Norway (2)
• Llandeilo of China (1)
Total: 5 collections including 13 occurrences