Buchitidae

The Buchitidae comprises a family of ceratitid ammonites from the upper Triassic included in the Clydonitaceae characterized by generally evolute shells with subquadrate to suboval whorl sections, flattened to rounded venters, and sides that bear radial ribs. Sutures are ceratic. Includes Buchites, Eremites, Helicites, and Martolites.