- Source: Williamia
Williamia is a genus of small sea snails or false limpets, marine pulmonate gastropod molluscs in the family Siphonariidae, the false (air-breathing) limpets.
Their development is similar to other Siphonariids.
Species
Species within the genus Williamia include:
Williamia eximia (Nevill in G. & H. Nevill, 1869)
Williamia gussoni Costa, 1829
Williamia krebsii (Mörch, 1877)
Williamia magellanica Dall, 1927
Williamia peltoides (Carpenter, 1864) - shield false limpet
Williamia radiata (Pease, 1860)
Williamia radiata nutata Headley, 1908
Williamia subspiralis (Carpenter, 1864)
Species brought into synonymy:
Williamia galapagana Dall : synonym of Williamia peltoides (Carpenter, 1864)
Williamia gussonii (O. G. Costa, 1829): synonym of Williamia gussoni (Costa O. G., 1829)
Williamia japonica Habe, 1962: synonym of Williamia radiata (Pease, 1860)
Williamia kermadecensis (Iredale, 1912): synonym of Williamia radiata (Pease, 1860)
Williamia nutata (Headley, 1908): synonym of Williamia radiata nutata (Headley, 1908)
Williamia oblongata (Yokoyama, 1926): synonym of Siphonacmea oblongata (Yokoyama, 1926)
Williamia polynesica Rehder, 1980: synonym of Williamia radiata (Pease, 1860)
Williamia radiata Kuroda & Habe, in Habe, 1961: synonym of Williamia radiata (Pease, 1860)
Williamia tomlini (Robson, 1913): synonym of Aporemodon tomlini Robson, 1913
References
"Williamia". Integrated Taxonomic Information System.
Discover Life
Marshall B.A. (1981) The genus Williamia in the western Pacific (Mollusca: Siphonariidae). New Zealand Journal of Zoology 8: 487-492