Iowa, USA
Midwestern USA USA
Geological Time: Carboniferous
the image is made and provided by
Triticites in limestone
The identification is based upon:
Douglass, R. C., 1987: Fusulinid biostratigraphy and correlations between the Appalachian and
eastern interior basins. U.S. Geological Survey professional paper 1451. Plate 21-28, Fig.