Coccolithophyceae - Zygodiscales
Full reference: J. R. Young and P. R. Bown. 1997. Cenozoic calcareous nannoplankton classification. Journal of Nannoplankton Research 19(1):36-47
Parent taxon: Coccolithophyceae according to J. R. Young and P. R. Bown 1997
Sister taxa: Athenagalea, Biantholithus, Braarudosphaerales, Ceratolithaceae, Coccolithales, Daktylethra, Discoasterales, Ellipsagelosphaeraceae, Ellipsolithus, Gladiolithus, Ilselithina, Isochrysidales, Lanternithus, Minylitha, Neosphaera, Pedinocyclus, Phaeocystales, Prymnesiales, Rhomboasteraceae, Tetralithoides, Transversopontis, Cyclicargolithus, Discoasteroides, Eodiscoaster, Watznaueriales, Lapideacassaceae, Goniolithaceae, Arkhangelskiales, Stephanolithiales, Tetralithus, Eiffellithales, Calyptrosphaeraceae, Sphenolithus, Syracosphaerales, Prymnesiophycidae, Podorhabdales
Subtaxa: Helicosphaeraceae Pontosphaeraceae Zygodiscaceae
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• NN21 of Indian Ocean (3 collections), North Pacific (1)
• Quaternary of Indian Ocean (100), North Atlantic (11), North Pacific (11), South Pacific (38)
• G. miocenica HOZ - Atlantic of Indian Ocean (1)
• NN16 of Indian Ocean (55), South Pacific (4)
• Pliocene to Pleistocene of Indian Ocean (2), North Atlantic (1), North Pacific (2)
• Pliocene of Indian Ocean (93), Italy (1), North Atlantic (7), North Pacific (12), South Atlantic (1), South Pacific (30)
• NN12 of Indian Ocean (24), North Pacific (3), South Atlantic (1)
• G. tumida/G. nepenthes CRZ - Atlantic of Indian Ocean (2)
• Miocene to Pliocene of North Pacific (3), South Pacific (1)
• Miocene of Indian Ocean (116), North Atlantic (2), North Pacific (63), South Pacific (13)
• Oligocene of Indian Ocean (1), North Atlantic (14), North Pacific (3), South Pacific (17)
• H. alabamensis HOZ of South Pacific (9)
• Eocene to Oligocene of Indian Ocean (3), North Atlantic (2), North Pacific (1), South Pacific (9), Southern Ocean (2)
• Eocene of Indian Ocean (16), Jordan (1), Namibia (1), North Atlantic (139), North Pacific (54), South Pacific (158), Ukraine (3), the United Kingdom (1), United States (3: California)
• Paleocene to Eocene of South Pacific (1)
• Cenozoic of Indian Ocean (1)
• Paleocene of Argentina (4), Indian Ocean (2), North Atlantic (9), South Atlantic (1), United States (1: South Carolina)
• Cretaceous of Canada (7: Alberta)
• Jurassic of Saudi Arabia (1)
Total: 1065 collections including 1363 occurrences