Top Snails, Turban Snails, and Allies
Trochoidea
Trochoidea is a superfamily of small to very large vetigastropod sea snails with gills and an operculum. Species within this superfamily have nacre as the inner shell layer. The families within this superfamily include the Trochidae, the top snails. This superfamily is the largest vetigastropodan superfamily, containing more than 2,000 species.
14 branches of this superfamily, most-observed first
Top Snails
familyTrochidae
Tegulidae
familyTegulidae
Turban Snails
familyTurbinidae
Calliostomatidae
familyCalliostomatidae
Pheasant Shells
familyPhasianellidae
Margaritesidae
familyMargaritesidae
Colloniidae
familyColloniidae
Angariidae
familyAngariidae
Liotiidae
familyLiotiidae
Areneidae
familyAreneidae
Skeneidae
familySkeneidae
Solariellidae
familySolariellidae
Conradiidae
familyConradiidae
Lodderena
genusLodderena
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Trochoidea in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 474466.