Trochoidea is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Hygromiidae. The name means "those that are shaped like a top".

(The same name, Trochoidea is currently also used for a superfamily of sea snails with gills, a superfamily that includes the top shells, Trochidae, and the turban shells, Turbinidae.)

Species

Species within the genus Trochoidea include:^[2]

• Trochoidea betulonensis
• Trochoidea carinatoglobosa (Haas, 1934)
• Trochoidea caroni (Deshayes, 1830)
• Trochoidea cucullus (Martens, 1873)
• Trochoidea cumiae (Calcara, 1847)
• Trochoidea claudinae
• Trochoidea elegans (Gmelin, 1791)
• Trochoidea gharlapsi
• Trochoidea jimenensis
• Trochoidea liebetruti (Albers, 1852)
• Trochoidea molinae
• Trochoidea montserratensis
• Trochoidea picardi
• Trochoidea pseudojacosta
• Trochoidea pyramidata (Draparnaud, 1805)
• Trochoidea seetzenii is a synonym for Xerocrassa seetzeni
• Trochoidea spratti (Pfeiffer, 1846)
• Trochoidea simulata
• Trochoidea tarentina (Pfeiffer, 1848)
• Trochoidea trochoides (Poiret, 1789)
• Trochoidea zaharensis

Synonyms:

• Trochoidea geyeri is a synonym for Xerocrassa geyeri (Soós, 1926)

References

Further reading

• Evidence for survival of Pleistocene climatic changes in Northern refugia by the land snail Trochoidea geyeri (Soós 1926) (Helicellinae, Stylommatophora)