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''Pupa'' is a genus of small sea snails, marine gastropod molluscs in the family Acteonidae. 〔 Bouchet, P. (2012). Pupa Röding, 1798. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=204293 on 2012-06-04 〕 The genus is named ''Pupa'' because the shell of these snails resemble an insect pupa in overall shape. The animal has a large headshield with a deep median slit, separating it into two posteriorly projecting lobes. ==Species== According to the World Register of Marine Species (WoRMS), the following species are included within the genus ''Pupa'':〔 (WoRMS : Pupa; accessed : 12 October 2010 ) 〕 * ''Pupa affinis'' (A. Adams, 1854) * * Distribution : South Africa, Red Sea, Indo-Pacific * * Length : 11-20 mm * * Description : cream-colored shell with horizontal spiraled patterns (dark brown, light brown or greenish) without dark borders; sharp apex * ''Pupa coccinata'' L. A. Reeve, 1842 (considered by some to be a color form of ''Pupa strigosa'') * * Distribution : Japan, tropical Indo-West Pacific * * Length : 25 mm * * Description : headshield flaps cover the opening of the mantle cavity; white-colored with many orange-red spots in spiraling bands * ''Pupa davisi'' Kilburn, 1975 * * Distribution: South Africa * * Length : 12.5 mm * * Description : cream-colored shell with sharp apex. * ''Pupa nitulida'' (Lamarck, 1816) Smooth pink pupa * * Distribution : Indo-Pacific, Philippines, New Caledonia, South Africa * * Length : 10-18 mm * * Description : shell has a smooth creamy to pink color; sharp apex. * ''Pupa pascuana'' Raines, 2002 * ''Pupa sinica'' Lin, 1989 * ''Pupa solidula'' Linnaeus, 1758 Solid pupa * * Distribution : cosmopolitan, Indo-Pacific * * Length : 15-35 mm * * Description: shell with a white background, covered with horizontally spiraling bands of dark brown to light brown patterns; sharp apex. * ''Pupa sulcata'' (Gmelin, 1791) Furrowed pupa * * Distribution : cosmopolitan, tropical Indo-Pacific, Japan * * Length : 10-25 mm * * Description : intertidal and up to depths of 30 m, burrowing in the sand; lightbrown shell with horizontal darker bands, where the darkest parts form a vertical band; sharp apex * ''Pupa tragulata'' Iredale, 1936 ;Species brought into synonymy: * ''Pupa flammea'' (Gmelin, 1791): synonym of ''Maxacteon flammeus'' (Bruguière, 1789) * ''Pupa grisebla'' Röding, 1798: synonym of ''Pupa solidula'' (Linnaeus, 1758) * ''Pupa kirki'' (Hutton, 1873): synonym of ''Pupa affinis'' (A. Adams, 1855) * ''Pupa nivea'' (Angas, 1871) : synonym of ''Pupa affinis'' (A. Adams, 1855) * ''Pupa strigosa'' (Gould, 1859): synonym of ''Buccinulus strigosus'' Gould, 1859: synonym of ''Pupa affinis'' (A. Adams, 1855) * ''Pupa suturalis'' (A. Adams, 1854): synonym of ''Japonactaeon suturalis'' (A. Adams, 1855) The database Indo-Pacific Molluscan Database (OBIS) also includes the following names in current use : 〔 (OBIS : Pupa ) 〕 * ''Pupa acuta'' * ''Pupa alba'' (Hutton, 1873) * ''Pupa alveola'' (Souverbie, 1863) * ''Pupa cinerea'' * ''Pupa fraterculus'' *'' Pupa insculpta'' * ''Pupa niecaensis'' (Barnard, 1963) * ''Pupa pudica'' * ''Pupa pusilla'' * ''Pupa roseomaculata'' Iredale, 1936 * ''Pupa strigosa'' * ''Pupa tessellata'' (Reeve, 1842) * ''Pupa thaanumi'' Pilsbry, 1917 * ''Pupa tragulata'' Iredale, 1936 * ''Pupa (Pupa) coccinata'' ''(Reeve, 1842-c)'' * ''Pupa (Rictaxiella) choshiensis'' (Habe, 1958-c) ---- * ''Pupa alveola'' Souverbie, 1863 * * Distribution : Indo-Pacific * ''Pupa choshiensis'' T. Habe, 1958 * * Distribution : Japan * ''Pupa cinerea'' R. B. Watson, 1886 * * Distribution : Japan * ''Pupa clathrata'' Yokoyama, 1922 * * Distribution : Japan * ''Pupa fumata'' Gould, 1859 Brown Pupa * * Distribution : tropical, Western Australia, Indo-Pacific * * Length : 20 mm * * Description : shell with spiral ribs; patterns of brown or gray spots on a cream-colored background; whorls separated by a white narrow band. * ''Pupa niecaensis'' K. H. Barnard, 1963 * * Distribution : South Africa * ''Pupa pudica'' Adams, 1854 * * Distribution : Hawaii * * Length : 7 mm * * Description : pink-colored elongate shell, with spiral bands of lightbrown patterns. * ''Pupa solidula'' fumata (= Pupa fumata) Reeve, 1865 Brown pupa * * Distribution : Philippines, Thailand * * Length : 6 mm * ''Pupa suturalis'' A. Adams, 1855 * * Distribution : Indo-Pacific 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「Pupa (gastropod)」の詳細全文を読む スポンサード リンク
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