Monoceratina
Species
Monoceratina incisa Peterson, 1954
Occurrence: Rierdon, lower Sundance (rare)
Reference: Peterson, 1954
Monoceratina pararossae Peterson, 1954
Occurrence: Rierdon, lower Sundance (common to abundant)
Reference: Peterson, 1954
Monoceratina sundancensis Swain and Peterson, 1951
Occurrence: Redwater, Swift, Rierdon, Swift (common)
Reference: Swain and Peterson, 1951, 1952; Peterson, 1954