Foraminifera - Astrorhizacea - Rhizamminidae
Parent taxon: Astrorhizacea according to E. Morlotti 1988
See also Cushman 1927 and Wiesner 1931
Sister taxa: Bathysiphonidae, Diffusilinidae, Dryorhizopsidae, Hemisphaeramminidae, Hippocrepinellidae, Polysaccamminidae, Psammosphaeridae, Rhabdamminidae, Schizamminidae, Silicotubidae
Subtaxa: Rhizammina
Ecology: stationary infaunal detritivore
Distribution:
• NN21 of North Pacific (1 collection)
• Quaternary of North Atlantic (19)
• Pliocene of North Atlantic (1), North Pacific (1)
• Miocene of North Pacific (1), Peru (1)
• Oligocene of Indian Ocean (1)
• Eocene of Indian Ocean (3), United States (1: Washington)
• Paleocene of Indian Ocean (1), Ukraine (2)
• Tertiary of Indian Ocean (2)
• Cenozoic of Indian Ocean (1)
• Cretaceous of Egypt (1), Indian Ocean (9), Italy (2), Poland (7), Ukraine (7)
• Jurassic of the Russian Federation (7)
• Devonian of Germany (1)
Total: 69 collections including 70 occurrences