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:''For the plant genus, see its synonym'' Sedum. ''Cepaea'' is a genus of medium-sized air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Helicidae. The shells of species within this genus are often brightly colored and patterned with stripes. Species from this genus, in particular the common and widespread ''C. nemoralis'' and ''C. hortensis'', have been model species for early studies of genetics and natural selection. They occur in Europe, although introduced populations occur elsewhere in the world.〔 Like many Helicidae, this genus of snails create and use love darts.〔 ==Species== Four species are currently classified in the genus ''Cepaea''.〔 However, molecular phylogenetic studies suggest that the latter two should be placed in unrelated genera: * ''Cepaea hortensis'' (O. F. Müller, 1774) * ''Cepaea nemoralis'' (Linnaeus, 1758) * ''Cepaea sylvatica'' (Drapanaud, 1801) * ''Cepaea vindobonensis'' (Férussac, 1821) 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「Cepaea」の詳細全文を読む スポンサード リンク
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