Polycystina - Entactinaria - Haplentactiniidae
Parent taxon: Entactinaria according to P. Noble et al. 2017
See also Feng et al. 2004, Maletz and Bruton 2008, Noble and Maletz 2000 and Wang et al. 2003
Sister taxa: Braginella, Centrocubidae, Cyclocarpus, Ellisus, Entactiniidae, Eptingiidae, Helioentactinia, Heptacladidae, Hexalonchidae, Hexastylidae, 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: Arcoclathrata Bissylentactinia Haplactiniinae Haplentactinia Haplentactiniinae Pseudorotasphaerinae Syntagentactinia
Ecology: passively mobile planktonic omnivore
Distribution:
• Leonard of United States (1: Oregon collection)
• Permian of China (1), Japan (6), Thailand (2), United States (4: Oregon)
• Devonian of the Russian Federation (1), United States (3: Ohio)
• Silurian of the United Kingdom (1)
• Ordovician of Norway (2)
Total: 21 collections including 25 occurrences