Protozoa - Entactinaria - Haplentactiniidae
Parent taxon: Entactinaria according to P. Noble et al. 2017
See also Aitchison 1993, Feng et al. 2004, Maletz and Bruton 2008, Noble and Maletz 2000 and Wang et al. 2003
Sister taxa: Aciferopylorum, Braginella, Centrocubidae, Cromyostylus, Cyclocarpus, Ellisus, Entactiniidae, Eptingiidae, Helioentactinia, Heptacladidae, Hexalonchidae, Hexastylidae, Hindeosphaeridae, Hollandocachoniidae, Inaniguttidae, Induropilarius, Isometractiniidae, Kahlerosphaera, Kungalariidae, Multiarcusellidae, Odoghertitidae, Palaeolithocycliidae, Palaeopentactinorbis, Palaeoscenidiidae, Paleoxiphosphaera, Pentactinocarpidae, Polyentactiniidae, Protoentactiniacea, Proventocitidae, Pylentonemidae, Quinquecapsulariidae, Radium, Rhizosphaeridae, Saturnalidae, Spongoentactinella, Spongosaturnaloididae, Staurolonchidium, Stylodiscus, Tetrentactiniidae, Thalassothamnidae, Triposphaera, Triumbraculidae
Subtaxa: Arcoclathrata Bissylentactinia Haplactiniinae Haplentactinia Haplentactiniinae Pseudorotasphaerinae Syntagentactinia
Ecology: passively mobile planktonic omnivore
Distribution:
• Permian of China (1 collection), Japan (6), Thailand (2), United States (5: Oregon)
• Devonian of Australia (2), the Russian Federation (1), United States (3: Ohio)
• Silurian of the United Kingdom (1)
• Ordovician of Norway (2)
Total: 23 collections including 27 occurrences