Chonotes granulifer Owen.
Productus nebraskensis Owen.
Productus pertenuis Meek.
Reticularia perplexa (McChesney) Schuchert.
Seminula argentia (Shepard) Hall.
Spirifer cameratus Morton.
Aviculopecten carboniferus (Stevens) Meek.
Aviculopecten maccoyi Meek and Hayden.
Aviculopecten occidentalis (Shumard) White.
Limopteria gibbosa (Meek and Worthen).