identified by scientist Carboniferous Mississippian Lower Mississippian Midwestern USA Chouteau Group FEU-1004811
| | identified by scientist Carboniferous Mississippian Lower Mississippian Midwestern USA Northview FM FEU-1004760
| | identified by scientist Carboniferous Mississippian Lower Mississippian Midwestern USA Hannibal FM FEU-1004775
| | identified by scientist Ordovician Upper Ordovician Arabian Peninsula Al-Qaraa FEU-1016424
| | identified by scientist Ordovician Upper Ordovician Arabian Peninsula Al-Qaraa FEU-1016425
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