Globothalamea - Rotaliida - Nonionidae
Parent taxon: Nonionidae according to J.-P. Margerel 2012
Sister taxa: Astrononion, Cribrononion, Faujasina, Florilus, Nonion, Nonionella, Nonioninae, Notorotalia, Ozawaia, Protelphidium, Pseudononion, Zeaflorilus
Subtaxa: Chilostomellina Melonis
Ecology: stationary semi-infaunal omnivore
Distribution:
• Quaternary of Italy (6 collections), Panama (1)
• Pliocene of Ecuador (1), Italy (1), North Atlantic (8), Panama (1)
• Miocene to Pliocene of New Zealand (1), North Atlantic (1)
• Miocene of Austria (1), Czechia (1), Ecuador (2), Italy (1), New Zealand (3), North Atlantic (17), Slovakia (1)
• Oligocene to Miocene of North Atlantic (1)
• Oligocene of Canada (1: British Colombia), Germany (2), New Zealand (4), North Atlantic (1)
• Eocene of Canada (2: British Columbia), Trinidad and Tobago (1), United States (2: Louisiana, Louisiana/Texas)
Total: 60 collections including 69 occurrences