†family Stephanolithiaceae Black 1968 (haptophyte alga)
Coccolithophyceae - Stephanolithiales - Stephanolithiaceae
Parent taxon: Stephanolithiales according to P. R. Bown and J. R. Young 1997
Sister taxon: Parhabdolithaceae
Subtaxa: Corollithion Rhombolithion Rotelapillus Stephanolithion Stoverius Stradnerlithus Truncatoscaphus
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Cretaceous of Canada (5: Alberta collections), France (1), Germany (1), Tanzania (3)
• Jurassic of Germany (3), Saudi Arabia (2), Switzerland (1)
Total: 16 collections including 19 occurrences