Archæocidaris sp.
Archæocidaris sp.
Ambocœlia planoconvexa (Shumard) Hall and Clarke.
Chonetes granulifer Owen.
Derbya crassa (Meek and Hayden) Waagen.
Hustedia mormoni (Marcou) Hall and Clarke.
Meekella striaticostata (Cox) White and St. John.
Productus cora d’Orbigny.
Productus longispinus Sowerby.
Productus nebraskensis Owen.