Globothalamea - Rotaliida - Nonionidae
Parent taxon: Nonionidae according to J.-P. Margerel 2012
Sister taxa: Astrononion, Cribrononion, Faujasina, Florilus, Nonion, Nonionella, Nonioninae, Notorotalia, Protelphidium, Zeaflorilus
Subtaxa: Chilostomellina Melonis
Ecology: stationary semi-infaunal omnivore
Distribution:
• Quaternary of Italy (6 collections), Panama (1)
• Pliocene of Ecuador (1), Ireland (8), Italy (1), Panama (1)
• Miocene to Pliocene of Ireland (1), New Zealand (1)
• Miocene to Oligocene of Canada (1: Nova Scotia)
• Miocene of Austria (1), Canada (1: Nova Scotia), the Czech Republic (1), Ecuador (2), Ireland (16), Italy (1), New Zealand (3), Slovakia (1)
• Oligocene of Canada (2: British Colombia, Nova Scotia), Germany (2), New Zealand (4)
• Eocene of Canada (2: British Columbia), Trinidad and Tobago (1), United States (2: Louisiana, Louisiana/Texas)
Total: 60 collections including 69 occurrences