†family Calyculaceae Noël 1973 (haptophyte alga)
Coccolithophyceae - Podorhabdales - Calyculaceae
Parent taxon: Podorhabdales according to P. R. Bown and J. R. Young 1997
Sister taxa: Axopodorhabdaceae, Biscutaceae, Cretarhabdaceae, Mazaganellaceae, Prediscosphaeraceae, Tubodiscaceae
Subtaxa: Calyculus Carinolithus
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Jurassic of Germany (8 collections), Morocco (3), Saudi Arabia (1), Spain (114)
Total: 126 collections including 260 occurrences