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''Punctum'' is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the family Punctidae, the dot snails. ==Species== The genus ''Punctum'' includes the following species: The type species is ''Helix minutissima'' Lea, 1841. * ''Punctum azoricum'' De Winter, 1988〔("Species in genus ''Punctum''" ) (n=2). AnimalBase, accessed 5 July 2011.〕 * ''Punctum blandianum'' Pilsbry, 1900 * ''Punctum californicum'' Pilsbry, 1898 * ''Punctum minutissimum'' I. Lea, 1841 - but ''Helix minutissima'' may be considered as a synonym of ''Punctum pygmaeum''〔("Synonyms of ''Helix pygmaea'' ). accessed 5 July 2011.〕 * ''Punctum pallidum'' Connolly, 1922〔Wronski T. & Hausdorf B. (2010). "Diversity and body-size patterns of land snails in rain forests in Uganda". ''Journal of Molluscan Studies'' 76(1): 87-100. .〕 * ''Punctum pygmaeum'' (Draparnaud, 1801)〔Draparnaud J. P. R. 1801. ''Tableau des mollusques terrestres et fluviatiles de la France''. pp. (), 1-116. Montpellier, Paris. (Renaud; Bossange, Masson & Besson).〕〔 - type species * ''Punctum randolphi'' Dall, 1895 * ''Punctum ugandanum'' (E. A. Smith, 1903)〔 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「Punctum (gastropod)」の詳細全文を読む スポンサード リンク
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