The Campaniloidea is a superfamily of sea snails, marine gastropod molluscs. The Campaniloidea are unassigned to an order in the clade Caenogastropoda.
Taxonomy The following four families have been recognized in the taxonomy of Bouchet & Rocroi (2005):
Family Campanilidae Douvillé, H., 1904 Family Ampullinidae A. E. M. Cossmann, 1919 Family Plesiotrochidae Houbrick, 1990 † Family Trypanaxidae Gougerot & Le Renard, 1987 (Families that are exclusively fossil are indicated with a dagger †) 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
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