Coccolithophyceae - Arkhangelskiales - Arkhangelskiellaceae
Parent taxon: Arkhangelskiales according to P. R. Bown and J. R. Young 1997
Sister taxon: Kamptneriaceae
Subtaxa: Acaenolithus Arkhangelskiella Aspidolithus Broinsonia Thiersteinia
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Pliocene of South Pacific (1 collection)
• Paleocene of Argentina (6), Indian Ocean (2), South Atlantic (1)
• Cenozoic of Indian Ocean (3)
• Cretaceous to Paleogene of Indian Ocean (2), North Atlantic (1)
• Cretaceous of Argentina (27), Belgium (1), Canada (5: Alberta), Egypt (1), France (1), Indian Ocean (88), Israel (1), North Atlantic (9), North Pacific (1), Romania (1), South Atlantic (8), South Pacific (1), Tanzania (1), United States (3: Alabama, Tennessee)
Total: 164 collections including 238 occurrences