Home

Helicosphaera recta

Edited by Jeremy Young on Wed, 09/03/2011 - 18:34

Helicosphaera recta (Haq, 1966) Jafar and Martini, 1975 [Helicopontosphaera]

Description: Large size, sub-rectangular shape. Wing ends in spur, central-area with two large pores separated by narrow conjunct bar.

Original description:

Helicosphaera seminulum recta 080447.jpgHelicosphaera seminulum recta 080448.jpg

Synonym: H. truncata Bramlette and Wilcoxon, 1967

Geological Time Data
Geological Time Periods: 
NN 1
NP24
Biblio Reference: 
Young, JR.  1998.  Neogene. Calcareous nannofossil biostratigraphy. :225-265.
Scratchpads developed and conceived by: Vince Smith, Simon Rycroft, Dave Roberts, Ben Scott...