†family Goniolithaceae Deflandre 1957 (haptophyte alga)
PaleoDB taxon number: 87661
Parent taxon: Prymnesiophyceae according to K. Perch-Nielsen 1985
Sister taxa: Coccolithales, Discoasterales, Isochrysidales, Phaeocystales, Prymnesiales, Zygodiscales, Calyptrosphaeraceae, Prymnesiophycidae, Watznaueriales, Syracosphaerales, Eiffellithales, Lapideacassaceae, Cyclicargolithus, Sphenolithus, Calcidiscus, Podorhabdales, Stephanolithiales, Arkhangelskiales, Eodiscoaster
Subtaxa: Goniolithus
Ecology: passively mobile planktonic "photoautotroph"