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''Biomphalaria'' is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails and their allies. ''Biomphalaria'' is the type genus of the tribe Biomphalariini. ''Taphius'' is a synonym for ''Biomphalaria''.〔Bouchet P. & Rocroi J.-P. (2005) "Classification and Nomenclator of Gastropod Families". ''Malacologia'' 47(1-2): 167-168.〕 The shell of this species, like all planorbids is sinistral in coiling, but is carried upside down and thus appears to be dextral. == Species == There are 34〔 species in the genus ''Biomphalaria'' in total. There are 22 American species: # ''Biomphalaria amazonica'' Paraense, 1966 # ''Biomphalaria andecola'' (d'Orbigny, 1835) # ''Biomphalaria cousini'' # ''Biomphalaria edisoni'' Estrada, Velásquez, Caldeira, Bejarano, Rojas & Carvalho, 2006 # ''Biomphalaria glabrata'' (Say, 1818) # ''Biomphalaria havanensis'' (L. Pfeiffer, 1839) # ''Biomphalaria helophila'' (d'Orbigny, 1835) # ''Biomphalaria intermedia'' (Paraense & Deslandes, 1962)〔Rumi A., Gregoric D. E. G., Núñez V. & Darrigran G. A. (2008). "Malacología Latinoamericana. Moluscos de agua dulce de Argentina". ''Revista de Biología Tropical'' 56(1): 77-111. (HTM ).〕 # ''Biomphalaria kuhniana'' (Clessin, 1883) # ''Biomphalaria obstructa'' # ''Biomphalaria occidentalis'' Paraense, 1981〔 # ''Biomphalaria oligoza'' Paraense, 1974〔 # ''Biomphalaria orbignyi'' Paraense, 1975〔 # ''Biomphalaria peregrina'' (d'Orbigny, 1835)〔 # ''Biomphalaria prona'' # ''Biomphalaria schrammi'' (Crosse, 1864) # ''Biomphalaria straminea'' (Dunker, 1848)〔 # ''Biomphalaria subprona'' (Martens, 1899) - () # ''Biomphalaria temascalensis'' Rangel-Ruiz, 1987 # ''Biomphalaria tenagophila'' (d'Orbigny, 1835)〔 There are 12 species in the Old World (Africa, Madagascar and the Middle East): # ''Biomphalaria alexandrina'' # ''Biomphalaria angulosa'' Mandahl-Barth, 1957 # ''Biomphalaria barthi'' Brown, 1973 # ''Biomphalaria camerunensis'' # ''Biomphalaria choanomphala'' # ''Biomphalaria pfeifferi'' (Krauss, 1848) # ''Biomphalaria salinarum'' Morelet # ''Biomphalaria smithi'' Preston, 1910 - type species # ''Biomphalaria stanleyi'' (Smith, 1888) # ''Biomphalaria sudanica'' (Martens, 1870) # ''Biomphalaria tchadiensis'' Germain, 1904 # ''Biomphalaria ruppellii'' Auet. - subspecies: ''Biomphalaria ruppellii ruppellii'' Auet.; ''Biomphalaria ruppellii katangae'' Haas There is one known hybrid ''Biomphalaria glabrata × Biomphalaria alexandrina'' from Egypt. A cladogram showing phylogenic relations of (23 analyzed) species in the genus ''Biomphalaria'':〔, (text ).〕 |label2=Nilotic species complex |2= |2=''Biomphalaria smithi'' }} }} |2=''Biomphalaria glabrata'' }} |2= |2= }} |2= }} |2= }} }} |2= }} |2=''Biomphalaria helophila'' }} |2=''Biomphalaria peregrina'' }} |2=''Biomphalaria schrammi'' }} }} 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「Biomphalaria」の詳細全文を読む スポンサード リンク
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