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''Williamia'' is a genus of small sea snails or false limpets, marine pulmonate gastropod molluscs in the family Siphonariidae, the false (air-breathing) limpets. 〔 Bouchet, P.; Gofas, S. (2011). Williamia Monterosato, 1884. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138490 on 2011-02-08 〕 Their development is similar to other Siphonariids〔Collin, Rachel. 2000. The development of three heterobranch mollusks from California, USA. The Nautilus, 114(3): 117-119.〕 ==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'' Hedley, 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'' (Hedley, 1908): synonym of ''Williamia radiata nutata'' (Hedley, 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 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Williamia」の詳細全文を読む スポンサード リンク
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