Coccolithophyceae - Braarudosphaerales - Polycyclolithaceae
Parent taxon: Braarudosphaerales according to J. A. Lees and P. R. Bown 2016
See also Bown and Young 1997
Sister taxa: none
Subtaxa: Assipetra Eprolithus Farhania Hayesites Hexalithus Lithastrinus Micula Polycostella Quadrum Radiolithus Rucinolithus Tegulalithus Uniplanarius
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Eocene of United States (1: California collection)
• Paleocene of Argentina (10), South Atlantic (1), Tanzania (1)
• Cretaceous to Paleogene of Türkiye (2)
• Cretaceous of Argentina (26), Austria (1), Belgium (1), Canada (5: Alberta), Egypt (2), France (1), Germany (1), Israel (1), Romania (1), South Atlantic (10), Spain (69), Tanzania (8), Türkiye (1), United States (11: Alabama, Kansas, Mississippi, Texas)
• Jurassic of Saudi Arabia (8)
Total: 161 collections including 241 occurrences