Radiolaria - Entactinaria

Parent taxon: Entactinaria according to J. Maletz and D. L. Bruton 2008

Sister taxa: Braginella, Centrocubidae, Ellisus, Entactiniidae, Eptingiidae, Haplentactiniidae, Heptacladidae, Hexalonchidae, Hexastylidae, Hindeosphaeridae, Inaniguttidae, Kahlerosphaera, Kungalariidae, Multiarcusellidae, Palaeolithocycliidae, Palaeoscenidiidae, Pentactinocarpidae, Polyentactiniidae, Protoentactiniacea, Proventocitidae, Pylentonemidae, Quinquecapsulariidae, Radium, Rhizosphaeridae, Saturnalidae, Sphaeroentactiniidae, Spongentactiniidae, Spongosaturnaloididae, Thalassothamnidae

Subtaxa: Haplentactinia armillata, Haplentactinia ichikawai, Haplentactinia rhinophyusa

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Type: Haplentactinia rhinophyusa

Ecology: passively mobile planktonic omnivore