The type species is Ampullaria neritoides (Pomella neritoides (d'Orbigny, 1835), which is synonym of Pomella megastoma (Sowerby, 1825)
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith