overview (8)
Arkhangelskiales (2)
Eiffellithales (3)
Holococcoliths (26)
Nannoliths (10)
Podorhabdales (7)
Watznaueriales (1)
Discoaster bollii Martini and Bramlette, 1963
Description: Similar to D. exilis but with large distal boss, small proximal boss, and wide central-area, and usually smaller (<10μm).
Remarks:
Original description:
Neogene: Discoaster; Discoaster bollii