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Ammovertella
pikei
Conkin & Conkin, 1964
Class:
Spirillinata
Subclass:
Ammodiscana
Order:
Spirillinida
Family:
Ammodiscidae
found in the
Hannibal FM
from 13 localities in Missouri and Illinois
Midwestern USA USA
Geological Time: Carboniferous Mississippian Lower Mississippian
Hannibal Formation
images are shown with permission of
micropaleontology
and
are provided by
James E. and Barbara M. Conkin
The identification is based upon:
Conkin, James E., Conkin, Barbara M. and Pike, James W., 1965: