Prymnesiophyceae - Prymnesiophycidae - Prymnesiophycidae
PaleoDB taxon number: 87684
Synonyms: Coccolithophora Lohmann 1902 (no. 87718), Cyclococcolithus Kamptner 1954 (no. 87713), Cyclolithus Kamptner 1948 (no. 87712), Tremalithus Kamptner 1948 ex Piviteau 1952 1952 (no. 87690)
Parent taxon: Prymnesiophycidae according to K. Perch-Nielsen 1985
Sister taxa: Braarudosphaeraceae, Centosphaera, Ceratolithina, Ceratolithoides, Chiphragmalithus, Coccolithites, Cricolithus, Cruciplacolithus, Discoaster, Eoconusphaeraceae, Haqius, Kokia, Liliasterites, Markalius, Mathasterites, Microrhabdulaceae, Nannoconaceae, Neochiastozygus, Orthogonoides, Polycyclolithaceae, Pontosphaera, Prinsiosphaera, Prolatipatella, Repagulum, Rhabdolithus, Schizosphaerellaceae, Tetralithus, Tortolithus, Triquetrorhabdulus, Watkinsia, Zygodiscus, Zygolithus, Zygrhablithus
Subtaxa: Coccolithus pelagicus
Ecology: passively mobile planktonic "photoautotroph"