Williamia
Williamia is a genus of small sea snails or false limpets, marine pulmonate gastropod molluscs in the family Siphonariidae, the false limpets.
Their development is similar to other Siphonariids.
Species
Species within the genus Williamia include:- Williamia eximia
- Williamia gussoni Costa, 1829
- Williamia krebsii
- Williamia magellanica Dall, 1927
- Williamia peltoides - shield false limpet
- Williamia radiata
- * Williamia [radiata nutata] Headley, 1908
- Williamia subspiralis
- Williamia galapagana Dall : synonym of Williamia peltoides
- Williamia gussonii : synonym of Williamia gussoni
- Williamia japonica Habe, 1962: synonym of Williamia radiata
- Williamia kermadecensis : synonym of Williamia radiata
- Williamia nutata : synonym of Williamia radiata nutata
- Williamia oblongata : synonym of Siphonacmea oblongata
- Williamia polynesica Rehder, 1980: synonym of Williamia radiata
- Williamia radiata Kuroda & Habe, in Habe, 1961: synonym of Williamia radiata
- Williamia tomlini : synonym of Aporemodon tomlini Robson, 1913