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''Hemitoma'' is a genus of slit limpets, marine gastropod molluscs in the family Fissurellidae, the keyhole limpets and slit limpets. 〔 Bouchet, P.; Rosenberg, G. (2012). Hemitoma Swainson, 1840. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=206771 on 2013-01-16〕 In this genus of fissurellid, there is an inconspicuous notch at the anterior end of the shell rather than a slit. The notch is best seen in an interior view of the shell. ==Species== Species within the genus ''Hemitoma'' include:〔http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=69618〕 * ''Hemitoma australis'' (Quoy and Gaimard, 1832) * ''Hemitoma bella'' Gabb, 1865 According to the World Register of Marine Species (WoRMS) the following species names have been accepted 〔(WoRMS : Hemitoma )〕 * ''Hemitoma cumingii'' G.B. Sowerby II, 1863 * ''Hemitoma imbricata'' (A. Adams, 1851) * ''Hemitoma octoradiata'' (Gmelin, 1791) * ''Hemitoma polygonalis'' (A. Adams, 1852) The Indo-Pacific Molluscan Database also includes the following species with names in current use 〔(OBIS : Hemitoma )〕 * ''Hemitoma arabica'' (A. Adams, 1852) * ''Hemitoma modesta'' (H. Adams, 1872) * ''Hemitoma subrugosa'' Thiele, 1916 * ''Hemitoma simpla'' Christiaens, 1987 ;Subgenus ''Montfortia'', Récluz, 1843: accepted as the genus ''Montfortia'' Récluz, 1843 * ''Hemitoma cratitia'' (A. Adams, 1852) ; Subgenus ''Montfortista'', Iredale, 1929 * ''Hemitoma oldhamiana'' (Nevill, 1869) ;Species brought into synonymy: * ''Hemitoma emarginata'' (Blainville, 1825): synonym of ''Montfortia emarginata'' (Blainville, 1825) * ''Hemitoma excentrica'' (Iredale, 1929): synonym of ''Montfortista excentrica'' (Iredale, 1929) * ''Hemitoma hermosa'' Lowe, 1935: synonym of ''Montfortia hermosa'' (Lowe, 1935) * ''Hemitoma livescens'' (Reeve, 1865): synonym of ''Cellana livescens'' (Reeve, 1855) * ''Hemitoma natlandi'' Durham, 1950: synonym of ''Octomarginula natlandi'' (Durham, 1950) * ''Hemitoma panhi'' (Quoy & Gaimard, 1834): synonym of ''Montfortista panhi'' (Quoy & Gaimard, 1834) * ''Hemitoma profunda'' (Deshayes, 1863): synonym of ''Eoacmaea profunda'' (Deshayes, 1863) * ''Hemitoma rubida'' A.H. Verrill, 1850: synonym of ''Hemitoma octoradiata'' (Gmelin, 1791) * ''Hemitoma subemarginata'' (Blainville, 1819): synonym of ''Montfortia subemarginata'' (Blainville, 1819) *'' Hemitoma tricarinata'' (Born, 1778): synonym of ''Amathina tricarinata'' (Linnaeus, 1767) 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「Hemitoma」の詳細全文を読む スポンサード リンク
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