Promyophorella
(a subgenus of Myophorella)
Species
Promyophorella montanaensis (Meek, 1873)
Occurrence: Carmel; Sliderock, Rich, and Watton Canyon Members of Twin Creek Limestone
Also called Myophorella (Promyophorella) montanaensis
Reference: Imlay, 1964; Imlay, 1967

Promyophorella montanaensis
Photograph from Imlay, 1964