Early Miocene (3)
Discoaster (12)
Sphenolithus (20)
Helicosphaera (14)
Coccolithus crucis Bown, 2005
Description: Large circular Coccolithus with narrow central area spanned by thin cross-bars.
Remarks:
Holotype: Paratype:
Neogene: Coccolithus
Paleogene: Coccolithus crucis