Coccolithophyceae - Stephanolithiales
Full reference: P. R. Bown and J. R. Young. 1997. Mesozoic calcareous nannoplankton classification. Journal of Nannoplankton Research. 19:21-36
Parent taxon: Prymnesiophyceae according to P. R. Bown and J. R. Young 1997
Sister taxa: Athenagalea, Biantholithus, Braarudosphaerales, Ceratolithaceae, Coccolithales, Daktylethra, Discoasterales, Ellipsagelosphaeraceae, Ellipsolithus, Gladiolithus, Ilselithina, Isochrysidales, Lanternithus, Minylitha, Neosphaera, Pedinocyclus, Phaeocystales, Prymnesiales, Rhomboasteraceae, Tetralithoides, Transversopontis, Zygodiscales, Tetralithus, Watznaueriales, Syracosphaerales, Podorhabdales, Lapideacassaceae, Sphenolithus, Eiffellithales, Eodiscoaster, Cyclicargolithus, Goniolithaceae, Prymnesiophycidae, Discoasteroides, Arkhangelskiales, Calyptrosphaeraceae
Subtaxa: Parhabdolithaceae Stephanolithiaceae
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Cretaceous of Argentina (1 collection), Canada (5: Alberta), France (1), Germany (1), Slovakia (2), South Atlantic (1), Spain (2), Tanzania (3)
• Jurassic of Canada (1: Alberta), Germany (6), Morocco (10), Saudi Arabia (2), Spain (30), Switzerland (1)
Total: 66 collections including 160 occurrences