Protozoa - Entactinaria - Hexalonchidae
Parent taxon: Entactinaria according to P. De Wever et al. 2001
Sister taxa: Aciferopylorum, Braginella, Centrocubidae, Cromyostylus, Cyclocarpus, Ellisus, Entactiniidae, Eptingiidae, Haplentactiniidae, Helioentactinia, Heptacladidae, 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: Cleveiplegma Hexacontium Hexalonche Hollandosphaera Nanina Tetrapetalon
Type: Hexalonche
Ecology: passively mobile planktonic omnivore
Distribution:
• NN21 of North Pacific (4 collections)
• Quaternary of Japan (8), North Pacific (82), Southern Ocean (6)
• Pliocene of North Pacific (40), Southern Ocean (4)
• Neodenticula kamtschatica of North Pacific (5)
• Miocene of Japan (1), North Pacific (1), Southern Ocean (5)
• Cretaceous of Oman (2)
• Jurassic of Antarctica (5), Italy (1), Japan (8)
• Triassic of Italy (2)
Total: 174 collections including 211 occurrences