Bloyd Shale, and Prairie Grove Member of the Hale Formation
Boone Formation
Atoka Formation, undivided
Pitkin Limestone, Fayetteville Shale (including the Wedington Sandstone member), and Batesville Sandstone (including the Hindsville Limestone Member)
Cane Hill Member of Hale Formation
St. Peter Sanstone and Everton Formation (Middle Ordovician)
Cason Shale and Fernvale Limestone (Upper Ordovician) and Kimmswick Limestone, Plattin Limestone, and Joachim Dolomite (Middle Ordovician)
Powell Dolomite
Lafferty, St. Clair and Brassfield Limestones