PaleoDB taxon number: 418920

Synonym: Prymnesiophyceae Hibberd 1976 (taxon 87645)

Full reference: W. Rothmaler. 1951. Die Abteilungen und Klassen der Pflanzen. Feddes Repertorium Specierum Novarum Regni Vegetabilis 54:256-266

Parent taxon: Haptophyta according to P.C. Silva et al. 2007

Sister taxa: Discoasteridae, Helicosphaera, Reticulofenestra, Syracosphaera, Umbilicosphaera

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

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