†family Biscutaceae Black 1971 (haptophyte alga)
Coccolithophyceae - Podorhabdales - Biscutaceae
Parent taxon: Podorhabdales according to P. R. Bown and J. R. Young 1997
Sister taxa: Axopodorhabdaceae, Calyculaceae, Cretarhabdaceae, Mazaganellaceae, Prediscosphaeraceae, Tubodiscaceae
Subtaxa: Biscutum Boletuvelum Crucibiscutum Discorhabdus Gaarderella Gephyrobiscutum Seribiscutum Similiscutum Sollasites
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Oligocene of Germany (1 collection)
• Paleocene of Argentina (1)
• Cretaceous of Argentina (2), Belgium (1), Canada (5: Alberta), Germany (1), Slovakia (1), Spain (17)
• Jurassic of France (1), Germany (7), Morocco (5), Saudi Arabia (2), Spain (121), Switzerland (1)
Total: 166 collections including 597 occurrences