1. An interesting association between Neosphaera coccolithomorpha and Ceratolithus cristatus (Haptophyta);Alcober;Eur. J. Phycol.,1997
2. Phylogenetically based calcareous nannofossil taxonomy: implications for the interpretation of geological events;Aubry,1989
3. Life cycles;Billard,1994
4. Il nannoplankton calcareo vivente nel Tirreno centro-meridionale. Parte II;Borsetti;Giornale Geol., series 2a,1976
5. Introduction;Bown,1998