Discoaster bollii

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:

Discoaster bollii 020026 .jpgDiscoaster bollii 020027 .jpg

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Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Young, JR.  1998.  Neogene. Calcareous nannofossil biostratigraphy. :225-265.
Scratchpads developed and conceived by: Vince Smith, Simon Rycroft, Dave Roberts, Ben Scott...