identified by scientist Carboniferous Mississippian Lower Mississippian Midwestern USA Chouteau Group FEU-1004926
| | identified by scientist Carboniferous Mississippian Lower Mississippian Midwestern USA Northview FM FEU-1004751
| | identified by scientist Carboniferous Mississippian Lower Mississippian Midwestern USA Northview FM FEU-1004752
| | identified by scientist Carboniferous Mississippian Lower Mississippian Midwestern USA Northview FM FEU-1004753
| | identified by scientist Carboniferous Mississippian Lower Mississippian Midwestern USA Hannibal FM FEU-1004780
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