Chondroceras
Species
Chondroceras oblatum (Whiteaves, 1876)
Occurrence: Sawtooth
Originally named Ammonites loganianus (?), also called Stephanoceras oblatum and Defonticeras oblatum
Reference: Imlay, 1948
Chondroceras cf. C. allani) (McLearn, 1928)
Occurrence: Sawtooth
Reference: Imlay, 1967