PaleoDB taxon number: 422508

Full reference: W. W. Hay. 1977. Calcareous nannofossils. Oceanic Micropalaentology 1055-1200

Parent taxon: Coccolithophyceae according to P. R. Bown 2010

Sister taxa: Coccolithales, Isochrysidales, Phaeocystales, Prymnesiales, Zygodiscales, Calyptrosphaeraceae, Prymnesiophycidae, Goniolithaceae, Watznaueriales, Syracosphaerales, Eiffellithales, Lapideacassaceae, Cyclicargolithus, Sphenolithus, Calcidiscus, Podorhabdales, Stephanolithiales, Arkhangelskiales, Eodiscoaster

Subtaxa: Discoasteraceae, Fasciculithaceae

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