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Sphenolithus disbelemnos

Edited by Lyndsey on Thu, 10/03/2011 - 13:33

Sphenolithus disbelemnos Fornaciari and Rio, 1996

Description: Similar to S. belemnos but apical spine diminutive.

Remarks: This appears to be a precursor of S. belemnos.

 6-15disbelemnos.JPG

Synonyms:

  • Sphenolithus aubryae de Kaenel and Villa, 1996.
  • Sphenolithus dissimilis-belemnos intergrade Rio et al. (1990).
Geological Time Data
Geological Time Periods: 
NN3
NN2
Biblio Reference: 
Young, JR.  1998.  Neogene. Calcareous nannofossil biostratigraphy. :225-265.
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