Your ammonite probably is...
Mortoniceras
Mortoniceras had an evolute shell with a strong ventral keel. It also had a square-shaped whorl cross-section. This Lower Cretaceous ammonite was a poor swimmer.
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Your ammonite probably is...
Mortoniceras had an evolute shell with a strong ventral keel. It also had a square-shaped whorl cross-section. This Lower Cretaceous ammonite was a poor swimmer.