GEOLOGICAL SURVEY OF IRAN | WWW.GSI.IR
 
فارسی  |     
Home |  Contact Us |  Help 
    Member Login
Username
Password
 
  Paleontology
Calcareous Nannofossils of Iran
Author : Fatemeh Hadavi
Publisher date : October 2002
Chapter title : First Chapter - Nannofossils
Data title : Nannoconus

Nannoconus :Nannoconus are cone shape nannolithus which have been formed from fine and prismatic crystalline units . These units are radial around bigger axis and they have been arranged perpendicular to that by an open channel in two ends of the test and it has been captivated.

This genus is seen only in Mesozoic (fig C-H 31).


 


Related links