Fresvillia

Fresvillia is an extinct cephalopod genus belonging to baculitid family of the ammonoid order Ancyloceratida that lived during the Late Cretaceous, found in France. Baculitids are a kind of heteromorph ammonite characterized by a straight adult shaft, often preceded by a small coiled juvenile portion.
"Baculites", "Boehmoceras", "Eubaculites", and "Lechites", are among related genera.