†order Arkhangelskiales Bown and Hampton 1997 (haptophyte alga)

Coccolithophyceae - Arkhangelskiales

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, Goniolithaceae, Watznaueriales, Calyptrosphaeraceae, Prymnesiophycidae, Discoasteroides, Eodiscoaster, Lapideacassaceae, Syracosphaerales, Sphenolithus, Stephanolithiales, Tetralithus, Podorhabdales, Eiffellithales, Cyclicargolithus

Subtaxa: Arkhangelskiellaceae Kamptneriaceae

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Ecology: passively mobile planktonic "photoautotroph"

Distribution:

• Paleocene of Argentina (6 collections), South Atlantic (1)

• Cretaceous of Argentina (28), Belgium (1), Canada (5: Alberta), Egypt (1), France (1), Israel (1), Romania (1), South Atlantic (9), Tanzania (1), United States (3: Alabama, Tennessee)

Total: 58 collections including 134 occurrences

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