Acamptogenotia

Acamptogenotia is a genus of predatory sea snails, marine gastropod mollusks belonging to an unassigned family in the Conoidea.[3]

First appearing 48.6 Ma and believed to go extinct 7.246 Ma. Specimens of the Acamptogenotia have been found in Austria, Denmark, Germany, The Netherlands, The UK, and The continental United States. The Acamptogenotia lived during the Paleocene epoch of Denmark and Greenland, The Oligocene epoch of Mexico, and in the Pliocene epoch of Italy