Myalina kansasensis Shumard.
Myalina swallowi McChesney.
Nucula? sp. (cast, very small).
Nuculana bellistriata attenuata Meek var.
Pinna lata Beede.
Placunopsis carbonaria Meek and Worthen.
? Pseudomonotis hawni equistriata Beede var.?
* Pteria longa (Geinitz).
Schizodus alpina (Hall) Keyes.
Schizodus circulus Worthen.