Calcidiscus pacificanus (Bukry, 1971) Varol, 1989

Calcidiscus pacificanus (Bukry, 1971) Varol, 1989

Description: Medium to large (6-9 µm) circular-subcircular placoliths with closed central area. Shield elements clearly visible and the proximal shield is typically significantly smaller then the distal.

Remarks:

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Varol, O.  1998.  Palaeogene. Calcareous nannofossil biostratigraphy. :200-224.
Scratchpads developed and conceived by: Vince Smith, Simon Rycroft, Dave Roberts, Ben Scott...