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1
Conodonts from subsurface Champlainian (Ordovician) rocks of eastern Indiana
Veröffentlicht 1986Buch -
2
Preliminary range chart of conodonts from the Chester series (Mississippian) in the Illinois Basin
Veröffentlicht 1961Buch -
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5
Conodonts from the Keokuk Warsaw, and Salem Formations (Mississippian) of Illinois
Veröffentlicht 1965Buch -
6
Conodonts from the St. Louis formation (Valmeyeran series) of Illinois, Indiana, and Missouri
Veröffentlicht 1963Buch -
7
Conodonts from the Chester series in the type area of southwestern Illinois
Veröffentlicht 1957Buch