Coccolithophyceae - Prymnesiophycidae - Prymnesiophycidae
Parent taxon: Prymnesiophycidae according to P. R. Bown and J. R. Young 1997
Sister taxa: Centosphaera, Ceratolithina, Ceratolithoides, Chiphragmalithus, Coccolithites, Coccolithus, Cricolithus, Cruciplacolithus, Discoaster, Eoconusphaeraceae, Haqius, Kokia, Liliasterites, Markalius, Marthasterites, Microrhabdulaceae, Nannoconaceae, Neochiastozygus, Orthogonoides, Pontosphaera, Prinsiosphaera, Prolatipatella, Repagulum, Rhabdolithus, Schizosphaerellaceae, Tortolithus, Triquetrorhabdulus, Watkinsia, Zygolithus, Zygrhablithus
Subtaxa: Braarudosphaera Bukryaster Micrantholithus Pentaster Quinquerhabdus Trapezopentus
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• NN21 of Indian Ocean (5 collections), North Pacific (19), South Pacific (1)
• C1 of North Pacific (10)
• G. ruber PRZ of Indian Ocean (1)
• Quaternary of Indian Ocean (41), North Atlantic (36), North Pacific (61), South Atlantic (1), South Pacific (29)
• G. miocenica HOZ - Atlantic of Indian Ocean (1)
• NN16 of Indian Ocean (10)
• Pliocene to Pleistocene of South Pacific (1)
• Pliocene of Indian Ocean (32), North Atlantic (8), South Pacific (15)
• NN12 of Indian Ocean (3)
• G. tumida/G. nepenthes CRZ - Atlantic of Indian Ocean (3)
• Neodenticula kamtschatica of North Pacific (1)
• Miocene to Pliocene of Indian Ocean (1), South Pacific (1)
• Miocene of Azerbaijan (2), India (1), Indian Ocean (27), North Atlantic (1), North Pacific (1), Slovakia (2), Slovenia (1), South Pacific (2)
• Neogene of Indian Ocean (2)
• Oligocene of Germany (1), Indian Ocean (3), North Pacific (12)
• NP21 of North Pacific (1)
• Eocene to Oligocene of Indian Ocean (1)
• Eocene of Indian Ocean (2), Namibia (1), North Atlantic (18), North Pacific (3), Tonga (1), the United Kingdom (1), United States (4: California, Georgia)
• Paleocene of Argentina (3), North Atlantic (3), South Atlantic (1), United States (3: Missouri, South Carolina)
• Cenozoic of Indian Ocean (3)
• Cretaceous of Argentina (7), Austria (1), Canada (2: Alberta), France (1), Germany (1), Indian Ocean (1), Israel (1), Slovakia (2), Spain (26)
Total: 422 collections including 451 occurrences