†order Watznaueriales Bown 1987 (haptophyte alga)
PaleoDB taxon number: 87648
Parent taxon: Prymnesiophyceae according to P. R. Bown and J. R. Young 1997
Sister taxa: Coccolithales, Discoasterales, Isochrysidales, Phaeocystales, Prymnesiales, Zygodiscales, Calyptrosphaeraceae, Prymnesiophycidae, Goniolithaceae, Syracosphaerales, Eiffellithales, Lapideacassaceae, Cyclicargolithus, Sphenolithus, Calcidiscus, Podorhabdales, Stephanolithiales, Arkhangelskiales, Eodiscoaster
Subtaxa: Watznaueriaceae
Ecology: passively mobile planktonic "photoautotroph"