Dielasma bovidens (Morton) White.
Enteletes hemiplicata (Hall) Hall and Clarke.
Hustedia mormoni (Marcou) Hall and Clarke.
Lingula umbonata Cox.
Meekella striaticostata (Cox) White and St. John.
Orbiculoidea manhattanensis (Meek and Hayden) Hall and Clarke.
Productus cora d’Orbigny.
Productus longispinus Sowerby.
Productus nebraskensis Owen.
Productus semireticulatus (Martin) d’Orbigny.