Productus semireticulatus (Martin) d’Orbigny.
Pugnax utah (Marcou) Hall and Clarke.
Seminula argentia (Shepard) Hall and Clarke.
Spirifer cameratus Morton.
Spiriferina cristata (Schlotheim) Dawson.
Allorisma costatum Meek and Worthen.
Allorisma geinitzi Meek.
Allorisma granosum (Shumard) Keyes.
Allorisma kansasensis Beede.
Aviculopecten carboniferus (Stevens) Meek.