†family Heliolithaceae Hay and Mohler 1967 (haptophyte alga)
Coccolithophyceae - Discoasterales - Heliolithaceae
Full reference: W. W. Hay and H. P. Mohler. 1967. Calcareous nannoplankton from Early Tertiary rocks at Point Labau, France and Paleocene-Early Eocene correlations. Journal of Paleontology 41(6):1505-1541
Parent taxon: Discoasterales according to W. W. Hay and H. P. Mohler 1967
Sister taxa: Discoasteraceae, Fasciculithaceae
Subtaxa: Bomolithus Heliolithus
Ecology: passively mobile planktonic "photoautotroph"
Distribution: there are no occurrences of Heliolithaceae in the database