Vaugonia
Species
Vaugonia conradi (Meek and Hayden, 1860)
Occurrence: Canyon Springs; Rich, Watton Canyon, and Leeds Creek Members of Twin Creek Limestone
Reference: Imlay, 1964; Imlay, 1967
Vaugonia utahensis Imlay, 1964
Occurrence: southwest Utah (unit unknown)
Reference: Imlay, 1964