Trochoidea may refer to:
*
Trochoidea (genus)
''Trochoidea'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Helicellinae of the family Geomitridae.
MolluscaBase eds. (2022). MolluscaBase. Trochoidea T. Brown, 1827. Accessed through: Worl ...
, a genus of land snails
*
Trochoidea (superfamily)
Trochoidea is a superfamily of small to very large vetigastropod sea snails with gills and an operculum.Gofas, S. (2013). Trochoidea. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id ...
, a superfamily of marine snails
{{Taxonomy disambiguation