Order Phaeocystales Medlin 2000
PaleoDB taxon number: 418955
Parent taxon: Coccolithophyceae according to B. Edvardsen et al. 2000
Sister taxa: Coccolithales, Discoasterales, Isochrysidales, Prymnesiales, Zygodiscales, Calyptrosphaeraceae, Prymnesiophycidae, Goniolithaceae, Watznaueriales, Syracosphaerales, Eiffellithales, Lapideacassaceae, Cyclicargolithus, Sphenolithus, Calcidiscus, Podorhabdales, Stephanolithiales, Arkhangelskiales, Eodiscoaster
Subtaxa: none