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: Biantholithus, Braarudosphaerales, Ceratolithaceae, Coccolithales, Daktylethra, Discoasterales, Ellipsagelosphaeraceae, Ellipsolithus, Gladiolithus, Ilselithina, Isochrysidales, Lanternithus, Minylitha, Neosphaera, Pedinocyclus, Phaeocystales, Prymnesiales, Rhomboasteraceae, Tetralithoides, Transversopontis, Watznaueriales, Eiffellithales, Tetralithus, Prymnesiophycidae, Stephanolithiales, Syracosphaerales, Eodiscoaster, Podorhabdales, Goniolithaceae, Sphenolithus, Arkhangelskiales, Discoasteroides, Lapideacassaceae, Calyptrosphaeraceae, Cyclicargolithus
Subtaxa: Helicosphaeraceae Pontosphaeraceae Zygodiscaceae
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Quaternary of Ireland (1 collection)
• Pliocene of Italy (1)
• Eocene of Jordan (1), Namibia (1), Ukraine (1), the United Kingdom (1), United States (3: California)
• Paleocene of United States (1: South Carolina)
• Cretaceous of Canada (7: Alberta)
• Jurassic of Saudi Arabia (1)
Total: 18 collections including 40 occurrences