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Sphenolithus dissimilis

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

Sphenolithus dissimilis Bukry and Percival, 1971

Description: Similar to S. moriformis but with apical cycle of elements extended to form circlet of spines.

Remarks: Various other species have been described for Early Miocene sphenoliths with a circlet of spines: Sphenolithus cometa de Kaenel and Villa, 1996, S. multispinatus Maiorano & Monechi 1997, S. procera Maiorano & Monechi 1997.

Original description:

Sphenolithus dissimilis 030401.jpgSphenolithus dissimilis 030402.jpg

6-10dissilimis.JPG 6-9dissilimis.JPG

Geological Time Data
Geological Time Periods: 
NN3
Oligocene
Biblio Reference: 
Young, JR.  1998.  Neogene. Calcareous nannofossil biostratigraphy. :225-265.
Scratchpads developed and conceived by: Vince Smith, Simon Rycroft, Dave Roberts, Ben Scott...