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