Pinna
Species
Pinna jurassica Whitfield and Hovey, 1906
Occurrence: Redwater (base)
Reference: Imlay, 1964
Pinna kingi Meek, 1877
Occurrence: Sliderock and Rich Members of Twin Creek Limestone
Reference: Imlay, 1964; Imlay, 1967
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Pinna kingi
Photograph from Imlay, 1967