偏口蛤属

根據WoRMS，本屬物種包括有[1]：

• 大偏口蛤 Chama ambigua Lischke, 1870：又名迷樣偏口蛤[3]
• Chama arcana F. R. Bernard, 1987
• 棘猿头蛤 Chama asperella Lamarck, 1819：即Chama jukesii Reeve, 1847[4]
• 甘蔗猿头蛤 Chama brassica Reeve, 1847：又名寶石偏口蛤[5]、白偏口蛤[6]或棘偏口蛤[3]。
• Chama buddiana C.B. Adams, 1852
• Chama cerinorhodon Hamada & Matsukuma, 2005
• Chama cerion Matsukuma, Paulay & Hamada, 2003
• Chama circinata di Monterosato, 1878
• Chama congregata Conrad, 1833
• Chama coralloides Reeve, 1846
• Chama crenulata Lamarck, 1819
• Chama croceata Lamarck, 1819
• 敦氏猿头蛤 Chama dunkeri Lischke, 1870
• Chama echinata Broderip, 1835
• Chama florida Lamarck, 1819
• Chama frondosa Broderip, 1835
• Chama gryphoides Linnaeus, 1758
• Chama hicksi Valentich-Scott & Coan, 2010
• Chama isaacooki Healy, Lamprell & Stanisic, 1993
• Chama lactuca Dall, 1886
• 翘鳞猿头蛤 Chama lazarus Linnaeus, 1758：又名菊花偏口蛤[3]
• 紫口猿头蛤 Chama limbula Lamarck, 1819：又名紫緣偏口蛤
• Chama linguafelis Reeve, 1847
• 叶片猿头蛤 Chama lobata Broderip, 1835：又名鱗偏口蛤 [3]
• Chama macerophylla Gmelin, 1791
• Chama oomedusae Matsukuma, 1996
• 太平洋偏口蛤 Chama pacifica Broderip, 1835
• Chama pellucida Broderip, 1835
• Chama producta Broderip, 1835
• Chama pulchella Reeve, 1846
• Chama rubropicta Bartsch & Rehder, 1939
• Chama ruderalis Lamarck, 1819
• Chama sarda Reeve, 1847
• Chama sinuosa Broderip, 1835
• Chama sordida Broderip, 1835
• Chama tinctoria F. R. Bernard, 1976
• Chama venosa Reeve, 1847
• Chama yaroni Delsaerdt, 1986

本屬的化石種計有[7]：

• Chama asperella† Lamarck, 1819[7]
• Chama aspersa† Reeve, 1846
• Chama berjadinensis† Hodson 1927
• Chama bezanconi † Cossmann 1887
• Chama brassica† Reeve 1847
• Chama calcarata† Lamarck 1806
• Chama callipona† Maury 1924
• Chama chipolana† Dall 1903
• Chama corticosaformis† Weisbord 1929
• Chama eudeila† Maury 1924
• Chama fimbriata† Defrance 1817
• Chama fragum† Reeve 1847
• Chama huttoni† Hector 1886
• Chama involuta† Guppy 1873
• Chama lamellifera† Tenison Woods 1877
• Chama monroensis† Aldrich 1903
• Chama nejdensis† Abbass, 1972
• Chama pacifica† Broderip, 1834
• Chama pittensis† Marwick, 1928
• Chama radiata† Dockery, 1977
• Chama ruderalis† Lamarck 1819
• Chama scheibei† Anderson 1929
• Chama strepta† Woodring 1982

Fossil shell of Chama gryphoides

本屬物種的化石紀錄存在於白垩纪到第四紀期間（即1.3億年前到現在），遍佈全球[7]。

• 草莓猿头蛤（Chama fragum Reeve, 1847）：本物種WoRMS認為是疑問名[8]。
• 日本偏口蛤（Chama japonica Lamarck, 1819）：本物種WoRMS認為是疑問名[9]。
• 半紫猿头蛤（Chama semipurpurata Lischke, 1870）：本物種WoRMS認為其實是敦氏猿头蛤（Chama dunkeri Lischke, 1870）[10]的同種異名。
• 扭曲猿头蛤（Chama reflexa Reeve, 1846）：又名扭偏口蛤[3]，本物種WoRMS認為其實是太平洋偏口蛤的異名[11]。
• 反轉偏口蛤 Chama retroversa Lischke, 1870[3]：WoRMS將本物種歸到擬偏口蛤屬（Pseudochama retroversa (Lischke, 1870)）去[12]。