Ammobaculites beveridgeiConkin and Conkin, 1964 Mississippian Lower Mississippian Northview Formation
 | Ammobaculites beveridgeiConkin and Conkin, 1964 Mississippian Lower Mississippian Northview Formation
 | Ammobaculites beveridgeiConkin and Conkin, 1964 Mississippian Lower Mississippian Hannibal Formation
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Ammobaculites chappelensisGutschick,Weinert&Young, 1961 Mississippian Lower Mississippian Chouteau Group Limestones
 | Ammobaculites leptosGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Ammobaculites pyriformisGutschick&Treckmann, 1959 Mississippian Lower Mississippian Northview Formation
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Ammobaculites pyriformisGutschick&Treckmann, 1959 Mississippian Lower Mississippian Hannibal Formation
 | Ammodiscella sp.--- Mississippian Lower Mississippian Hannibal Formation
 | Ammodiscus longexsertusGutschick&Treckmann, 1959 Mississippian Lower Mississippian Hannibal Formation
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Ammodiscus longexsertus(Gutschick&Treckmann, 1959) Mississippian Lower Mississippian Chouteau Group Limestones
 | Ammodiscus semiconstrictusGutschick&Treckmann, 1959 Mississippian Lower Mississippian Hannibal Formation
 | Ammodiscus semiconstrictusWaters, 1927 Mississippian Lower Mississippian Chouteau Group Limestones
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Ammodiscus sp.--- Mississippian Lower Mississippian Northview Formation
 | Ammovertella lisaeConkin&Conkin&Canis, 1968 Mississippian Lower Mississippian Chouteau Group Limestones
 | Ammovertella pikeiConkin and Conkin, 1964 Mississippian Lower Mississippian Northview Formation
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Ammovertella pikeiConkin and Conkin, 1964 Mississippian Lower Mississippian Hannibal Formation
 | Ammovertella pikeiConkin and Conkin, 1964 Mississippian Lower Mississippian Chouteau Group Limestones
 | Ammovertella sp.--- Mississippian Lower Mississippian Hannibal Formation
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Ammovertella sp.--- Mississippian Lower Mississippian Hannibal Formation
 | Ammovertella sp.--- Mississippian Lower Mississippian Hannibal Formation
 | Blastammina eisenackiConkin, Conkin and Pike, 1965 Mississippian Lower Mississippian Hannibal Formation
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Blastammina eisenackiConkin, Conkin and Pike, 1965 Mississippian Lower Mississippian Chouteau Group Limestones
 | Hyperammina casteriConkin, 1961 Mississippian Lower Mississippian Northview Formation
 | Hyperammina casteriConkin, 1961 Mississippian Lower Mississippian Northview Formation
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Hyperammina casteriConkin, 1961 Mississippian Lower Mississippian Northview Formation
 | Hyperammina casteriConkin, 1961 Mississippian Lower Mississippian Hannibal Formation
 | Hyperammina casteriConkin, 1961 Mississippian Lower Mississippian Chouteau Group Limestones
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Hyperammina compactaGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Hyperammina constrictaGutschick&Treckmann, 1959 Mississippian Lower Mississippian Hannibal Formation
 | Hyperammina constrictaGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
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Hyperammina gracilentaGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Hyperammina nitidaGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Hyperammina rockfordensisGutschick&Treckmann, 1959 Mississippian Lower Mississippian Northview Formation
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Hyperammina rockfordensisGutschick&Treckmann, 1959 Mississippian Lower Mississippian Hannibal Formation
 | Hyperammina rockfordensisGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Hyperammina sappingtonensisGutschick, 1962 Mississippian Lower Mississippian Chouteau Group Limestones
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Lagenammina cumberlandiae(Conkin, 1961) Mississippian Lower Mississippian Northview Formation
 | Lagenammina cumberlandiae(Conkin, 1961) Mississippian Lower Mississippian Hannibal Formation
 | Lagenammina sp.--- Mississippian Lower Mississippian Hannibal Formation
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Lagenammina sp.--- Mississippian Lower Mississippian Hannibal Formation
 | Oxinoxis ligulaGutschick, Weiner&Young, 1961 Mississippian Lower Mississippian Hannibal Formation
 | Oxinoxis ligulaGutschick, Weiner&Young, 1961 Mississippian Lower Mississippian Hannibal Formation
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Oxinoxis ligulaGutschick, Weiner&Young, 1961 Mississippian Lower Mississippian Chouteau Group Limestones
 | Oxinoxis swallowiConkin&Conkin&Canis, 1968 Mississippian Lower Mississippian Chouteau Group Limestones
 | Psammosphaera sp.--- Mississippian Lower Mississippian Hannibal Formation
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Psammosphaera sp.--- Mississippian Lower Mississippian Chouteau Group Limestones
 | Pseudoastrorhiza conicaGutschick, Weiner&Young, 1961 Mississippian Lower Mississippian Hannibal Formation
 | Pseudoastrorhiza conicaGutschick, Weiner&Young, 1961 Mississippian Lower Mississippian Chouteau Group Limestones
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Pseudoastrorhiza delicataGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Reophax buccinaGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Reophax buccinaGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
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Reophax calathusGutschick,Weinert&Young, 1961 Mississippian Lower Mississippian Chouteau Group Limestones
 | Reophax lachrymosusGutschick&Treckmann, 1959 Mississippian Lower Mississippian Northview Formation
 | Reophax lachrymosusGutschick&Treckmann, 1959 Mississippian Lower Mississippian Hannibal Formation
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Reophax lachrymosusGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Reophax northviewensisConkin and Conkin, 1964 Mississippian Lower Mississippian Northview Formation
 | Reophax northviewensisConkin and Conkin, 1964 Mississippian Lower Mississippian Northview Formation
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Reophax northviewensisConkin and Conkin, 1964 Mississippian Lower Mississippian Hannibal Formation
 | Reophax northviewensisConkin and Conkin, 1964 Mississippian Lower Mississippian Chouteau Group Limestones
 | Reophax sp.--- Mississippian Lower Mississippian Hannibal Formation
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Reophax sp.--- Mississippian Lower Mississippian Chouteau Group Limestones
 | Rhabdammina sp.--- Mississippian Lower Mississippian Chouteau Group Limestones
 | Saccammina howeiConkin&Conkin&Canis, 1968 Mississippian Lower Mississippian Chouteau Group Limestones
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Sorosphaera cooperensisConkin&Conkin&Canis, 1968 Mississippian Lower Mississippian Chouteau Group Limestones
 | Sorosphaera cooperensisConkin&Conkin&Canis, 1968 Mississippian Lower Mississippian Chouteau Group Limestones
 | Sorosphaera papillaGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
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Thurammina congestaGutschick, Weiner&Young, 1961 Mississippian Lower Mississippian Chouteau Group Limestones
 | Thurammina sp.--- Mississippian Lower Mississippian Chouteau Group Limestones
 | Thurammina triradiataGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
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Thuramminoides sphaeroidalisPlummer, 1945 Mississippian Lower Mississippian Northview Formation
 | Thuramminoides sphaeroidalisPlummer, 1945 Mississippian Lower Mississippian Hannibal Formation
 | Thuramminoides sphaeroidalisPlummer, 1945 Mississippian Lower Mississippian Chouteau Group Limestones
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Tolypammina bransoniConkin&Conkin&Canis, 1968 Mississippian Lower Mississippian Chouteau Group Limestones
 | Tolypammina bransoniConkin&Conkin&Canis, 1968 Mississippian Lower Mississippian Chouteau Group Limestones
 | Tolypammina bulbosaGutschick&Treckmann, 1959 Mississippian Lower Mississippian Hannibal Formation
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Tolypammina bulbosaGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Tolypammina cyclopsGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Tolypammina frizzelliConkin and Conkin, 1964 Mississippian Lower Mississippian Northview Formation
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Tolypammina frizzelliConkin and Conkin, 1964 Mississippian Lower Mississippian Northview Formation
 | Tolypammina frizzelliConkin and Conkin, 1964 Mississippian Lower Mississippian Hannibal Formation
 | Tolypammina frizzelliConkin and Conkin, 1964 Mississippian Lower Mississippian Chouteau Group Limestones
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Tolypammina gersterensisConkin and Conkin, 1964 Mississippian Lower Mississippian Northview Formation
 | Tolypammina gersterensisConkin and Conkin, 1964 Mississippian Lower Mississippian Northview Formation
 | Tolypammina gersterensisConkin and Conkin, 1964 Mississippian Lower Mississippian Chouteau Group Limestones
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Tolypammina gersterensisConkin and Conkin, 1964 Mississippian Lower Mississippian Chouteau Group Limestones
 | Tolypammina jacobschapelensisConkin, 1961 Mississippian Lower Mississippian Hannibal Formation
 | Tolypammina jacobschapelensisConkin, 1961 Mississippian Lower Mississippian Chouteau Group Limestones
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Tolypammina rotulaGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Tolypammina sp.--- Mississippian Lower Mississippian Hannibal Formation
 | Trepeilopsis glomospiroidesGutschick&Treckmann, 1959 Mississippian Lower Mississippian Northview Formation
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Trepeilopsis glomospiroidesGutschick&Treckmann, 1959 Mississippian Lower Mississippian Hannibal Formation
 | Trepeilopsis glomospiroidesGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Trepeilopsis recurvidensGutschick&Treckmann, 1959 Mississippian Lower Mississippian Northview Formation
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Trepeilopsis recurvidensGutschick&Treckmann, 1959 Mississippian Lower Mississippian Hannibal Formation
 | Trepeilopsis recurvidensGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
 | Trepeilopsis recurvidensGutschick&Treckmann, 1959 Mississippian Lower Mississippian Chouteau Group Limestones
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Trepeilopsis sp.--- Mississippian Lower Mississippian Northview Formation
 | Trepeilopsis spiralisGutschick&Treckmann, 1959 Mississippian Lower Mississippian Northview Formation
 | Trepeilopsis spiralisGutschick&Treckmann, 1959 Mississippian Lower Mississippian Northview Formation
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Trepeilopsis spiralisGutschick&Treckmann, 1959 Mississippian Lower Mississippian Hannibal Formation
 | Trepeilopsis spiralisGutschick&Treckmann, 1959 Mississippian Lower Mississippian Hannibal Formation
 | Trochammina mehliConkin and Conkin, 1964 Mississippian Lower Mississippian Northview Formation
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Trochammina mehliConkin and Conkin, 1964 Mississippian Lower Mississippian Hannibal Formation
 | Trochammina mehliConkin and Conkin, 1964 Mississippian Lower Mississippian Chouteau Group Limestones
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