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Several shark teeth have been collected from limestones in the marine-nonmarine transitional zone of the lower Cutler beds in the Shafer Basin near Moab, Utah. The shark teeth include the Pennsylvanian pet­alodontiform Petalodus ohioensis, which is the first described from the state, and the Permo-Carboniferous cladodontomorph Cladodus sp. The Petalodus specimens are compared with the holotype P. hastingsae Owen, P. acuminatus (Agassiz), P. ohioensis (Shafer), and P. alleghaniensis (Leidy). Several of these key taxa are illustrated with photographs for the first time.

Permo-Pennsylvanian shark teeth from the Lower Cutler beds near Moab, Utah