Clavagella Clavagellidae List of the prehistoric life of Delaware List of the Mesozoic life of Delaware List of the prehistoric life of Mississippi List of the prehistoric life of Tennessee List of the Mesozoic life of Alabama List of the prehistoric life of New Jersey List of the Mesozoic life of Tennessee List of the prehistoric life of Alabama List of the Mesozoic life of New Jersey List of the Mesozoic life of Mississippi C. elegans (disambiguation)