Campaniloidea

The Campaniloidea is a superfamily of sea snails, marine gastropod molluscs. The Campaniloidea are unassigned in the clade Caenogastropoda.

Taxonomy
The following four families have been recognized in the taxonomy of Bouchet & Rocroi (2005):

(Families that are exclusively fossil are indicated with a dagger †)
 * Family Campanilidae Douvillé, H., 1904
 * Family Ampullinidae A. E. M. Cossmann, 1919
 * Family Plesiotrochidae Houbrick, 1990
 * † Family Trypanaxidae Gougerot & Le Renard, 1987
 * Families brought into synonymy:
 * Ampullospiridae Cox, 1930 †: synonym of Ampullinidae Cossmann, 1919
 * Diozoptyxidae Pchelintsev, 1960 †: synonym of Campanilidae Douvillé, 1904
 * Globulariidae Wenz, 1941 : synonym of Ampullinidae Cossmann, 1919
 * Gymnocerithiidae Golikov & Starobogatov, 1987 †: synonym of Campanilidae Douvillé, 1904
 * Gyrodidae Wenz, 1938 †: synonym of Ampullinidae Cossmann, 1919
 * Pseudamauridae Kowalke & Bandel, 1996 †: synonym of Ampullinidae Cossmann, 1919