Class: Spirillinata  Subclass: Ammodiscana  Order: Spirillinida  Family: Ammodiscidae

 

found in the  Chouteau Group

from 27 localities in Missouri and Illinois

   Midwestern USA   USA

 

Geological Time: Carboniferous  Mississippian  Lower Mississippian

Chouteau Group Limestones

 

images are shown with permission of the journal micropaleontology and
are provided by

 

 

 

The identification is based upon:

 Conkin, James E., Conkin, Barbara M. and Canis, Wayne F., 1968: 
Mississippian Foraminifera of the United States Part 3:
The limestones of the Chouteau Group in Missouri and Illinois. 
micropaleontology Volume 14 Number 2, April 1968  Pages 133-178 Plate 3, Fig. 25-27

 

 

 

dataset number: FEU-1005028