Hyperammina casteri Conkin, 1961Class: Astrorhizata Subclass: Astrorhizana Order: Astrorhizida Family: HippocrepinidaeTaxon Profile found in Missouri and Illinois Midwestern USA USA from 13 localities described in the source 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 View of a specimen of Hyperammina casteri Conkin, 1961 The identification is based upon: Conkin, James E., Conkin, Barbara M. and Pike, James W., 1965: Mississippian Foraminifera of the United States Part 2: The Hannibal Formation of northeastern Missouri and western Illinois micropaleontology Volume 11 Number 3, July 1965 Pages 335-359 Plate 1, Fig. 23-27 ![]() |
![]() dataset number: FEU-1004780 |