Superfamily Ancylocerataceae Rank Family Subclass Ammonites | ||
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Similar Ammonites, Pseudothurmannia, Echioceratidae | ||
Crioceratitidae is an extinct cephalopod family belonging to the subclass Ammonoidea and included in the order Ammonitida.
References
Crioceratitidae Wikipedia(Text) CC BY-SA