Coccolithophyceae - Lapideacassaceae
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, Coccosphaerales, Daktylethra, Discoasterales, Ellipsagelosphaeraceae, Ellipsolithus, Gladiolithus, Ilselithina, Isochrysidales, Lanternithus, Minylitha, Neosphaera, Pedinocyclus, Phaeocystales, Prymnesiales, Rhomboasteraceae, Tetralithoides, Transversopontis, Zygodiscales, Syracosphaerales, Discoasteroides, Calyptrosphaeraceae, Prymnesiophycidae, Sphenolithus, Goniolithaceae, Stephanolithiales, Watznaueriales, Arkhangelskiales, Cyclicargolithus, Eodiscoaster, Tetralithus, Eiffellithales, Podorhabdales
Subtaxa: Lapideacassis
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Paleocene of North Atlantic (6 collections)
Total: 6 collections each including a single occurrence