Foraminifera - Rotaliina - Islandiellidae
Parent taxon: Rotaliina according to W. Kiessling 2009
Sister taxa: Acervulinacea, Annulopatellinacea, Asterigerinacea, Aubignyna, Bolivinacea, Bolivinitacea, Buliminacea, Carterinacea, Cassidulina, Cassidulinacea, Cassidulinidae, Caucasina, Chilostomellacea, Delosinacea, Discorbacea, Discorbinellacea, Discorbitura, Eouvigerinacea, Fursenkoinacea, Glabratellacea, Globorotalitidae, Hedbergellacea, Lepitorbitoididae, Mississippinidae, Nummulitacea, Orbitoidacea, Osangulariidae, Pappina, Planorbulinacea, Pleurostomellidae, Reussellidae, Rotaliacea, Siphoninacea, Siphoninidae, Spirillinacea, Spiroloxostoma, Turrilinacea
Subtaxa: Cassidulinoides Islandiella
Ecology: stationary semi-infaunal omnivore
Distribution:
• NN21 of North Atlantic (2 collections), North Pacific (10)
• Brunhes of North Pacific (1)
• Quaternary of Canada (6: Nunavut, Ontario, Quebec), Italy (1), North Atlantic (17), North Pacific (477), South Pacific (1), Southern Ocean (2)
• Pliocene to Pleistocene of North Pacific (3)
• Pliocene of New Zealand (1), North Atlantic (2), North Pacific (20), Southern Ocean (2)
• Miocene of Cape Verde (1), New Zealand (1), North Pacific (3), South Pacific (2), Southern Ocean (3), United States (2: California, Florida)
• Oligocene of Canada (2: British Colombia, British Columbia)
Total: 559 collections including 646 occurrences