Home

Pontosphaera obliquipons (Deflandre in Deflandre & Fert 1954) Romein 1979

Edited by Lyndsey on Fri, 11/03/2011 - 15:21

Pontosphaera obliquipons (Deflandre in Deflandre & Fert 1954) Romein 1979

Description: Simple unadorned plate with a large central hole spanned by a crystallographically-disjunct oblique bar. The bar is birefringent at 0° (i.e. when the coccolith is orientated parallel to the polarising directions of the microscope) and dark at 10°.

Remarks:

Geological Time Data
Geological Time Periods: 
NP21
NP14
Biblio Reference: 
Varol, O.  1998.  Palaeogene. Calcareous nannofossil biostratigraphy. :200-224.
Scratchpads developed and conceived by: Vince Smith, Simon Rycroft, Dave Roberts, Ben Scott...