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, Coryphostoma, 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:
• Quaternary of Canada (6: Nunavut, Ontario, Quebec collections), Italy (1)
• Pliocene of New Zealand (1)
• Miocene of Cape Verde (1), New Zealand (1), United States (2: California, Florida)
• Oligocene of Canada (2: British Colombia, British Columbia)
Total: 14 collections including 17 occurrences