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Helicosphaera truempyi

Edited by Jeremy Young on Mon, 14/03/2011 - 21:28

Helicosphaera truempyi Biolzi and Perch-Nielsen, 1982

Description: Like H. carteri but central-area open, spanned by horizontal disjunct bar.

Remarks:

Range: NP25 to lower NN1.

Original description:

Helicosphaera truempyi 120227.jpgHelicosphaera truempyi 120228.jpg

Geological Time Data
Geological Time Periods: 
NN 1
NP25
Biblio Reference: 
Young, JR.  1998.  Neogene. Calcareous nannofossil biostratigraphy. :225-265.
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