Ammonites from the
Prionocyclus hyatti

Prionocyclus hyatti  (Stanton) 1893

  gracile hyatti  


Robust form of P. hyatti, 42mm dia.

Placenticeras pseudoplacenta (Hyatt) 1903

C. inflatum
From the Lower Ferron Sandstone Member

Scaphites carlislensis Morrow 1935

Scaphites carlislensis
The only specimen of Scaphites I have found from this biozone in Utah,
45mm long, from the Lower Ferron Member near Mounds.

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