• Cetomya albida (Dall, 1886)
• Cetomya bacata Krylova, 2001
• Cetomya butoni (Prashad, 1932)
• Cetomya celsa Krylova, 2001
• Cetomya curta (G.B. Sowerby III, 1904)
• Cetomya elongata (Dall, 1886)
• Cetomya eximia (Pelseneer, 1911)
• Cetomya intermedia (Habe, 1952)
• Cetomya malespinae (Ridewood, 1903)
• Cetomya nataliae Krylova, 2001
• Cetomya neaeroides (Seguenza, 1877)
• Cetomya niasensis (Thiele & Jaeckel, 1931)
• Cetomya orientalis (Thiele & Jaeckel, 1931)
• Cetomya perla (Dall, 1908)
• Cetomya poutiersi Krylova, 2001
• Cetomya scapha (Dall, 1902)
• Cetomya tornata (Jeffreys, 1876)
• Cetomya transversa (Dall, Bartsch & Rehder, 1938)
• Cetomya umbonata (Knudsen, 1982)
• Cetomya voskresenskii Krylova, 2001
• Dermatomya beringiana Dall, 1916 accepted as Dermatomya tenuiconcha (Dall, 1913)
• Dermatomya buttoni Dall, 1916
• Dermatomya castanea (Habe, 1952)
• Dermatomya chilensis (Dall, 1908)
• Dermatomya hyalina Bernard, 1989
• Dermatomya kurilensis Scarlato, 1981 accepted as Dermatomya tenuiconcha (Dall, 1913)
• Dermatomya leonina Dall, 1916 accepted as Dermatomya tenuiconcha (Dall, 1913)
• Dermatomya mactroides (Dall, 1889)
• Dermatomya tenuiconcha (Dall, 1913)
• Dermatomya trosti Strong & Hertlein, 1937
• Dilemma frumarkernorum Leal, 2008
• Dilemma inexpectatum (Crozier, 1966)
• Dilemma japonicum Sasaki & Leal, 2008
• Dilemma spectralis Leal, 2008
• Ectorisma granulata Tate, 1892 accepted as Poromya illevis Hedley, 1913
• Ectorisma neozelanica Dell, 1956 accepted as Poromya neozelanica (Dell, 1956)
• Embla korenii Lovén, 1846 accepted as Poromya granulata (Nyst & Westendorp, 1839)
• Liopistha aequivalis Mueller †
• Lissomya hyalina (Bernard, 1989)
• Lissomya rotundula Krylova, 1997
• Perlaporomya perla (Dall, 1908) accepted as Cetomya perla (Dall, 1908)
• Poromya adelaidis (Hedley, 1916)
• Poromya albida Dall, 1886
• Poromya anatinoides Forbes, 1844 accepted as Poromya granulata (Nyst & Westendorp, 1839)
• Poromya australis E.A. Smith, 1885
• Poromya beringiana (Dall, 1916)
• Poromya butoni Prashad, 1932
• Poromya canadensis Bernard, 1969 accepted as Dermatomya tenuiconcha (Dall, 1913)
• Poromya carinata Lan, 2000
• Poromya castanea Habe, 1952
• Poromya chilensis Dall, 1908 accepted as Dermatomya chilensis (Dall, 1908)
• Poromya curta G.B. Sowerby III, 1904 accepted as Cetomya curta (G.B. Sowerby III, 1904)
• Poromya cymata Dall, 1890
• Poromya elongata Dall, 1886
• Poromya equatorialis Dall, 1908 accepted as Dermatomya mactroides (Dall, 1889)
• Poromya eximia Pelseneer, 1911 accepted as Cetomya eximia (Pelseneer, 1911)
• Poromya eximia Prashad, 1932 accepted as Cetomya eximia (Pelseneer, 1911)
• Poromya flexuosa Yokoyama, 1922
• Poromya forbesi H. Adams, 1875 accepted as Cetoconcha forbesi (H. Adams, 1875)
• Poromya gilchristi G.B. Sowerby III, 1904 accepted as Cetoconcha gilchristi (G.B. Sowerby III, 1904)
• Poromya gloriosa Prashad, 1932 accepted as Cetoconcha gloriosa (Prashad, 1932)
• Poromya granatina Dall, 1881 accepted as Basterotia quadrata (Hinds, 1843)
• Poromya granifera (Cotton, 1931)
• Poromya granosissima G.B. Sowerby III, 1904
• Poromya granulata (Nyst & Westendorp, 1839)
• Poromya granulata Dall, 1886 accepted as Poromya rostrata Rehder, 1943
• Poromya granuloderma Scarlato, 1981
• Poromya hayashii Habe, 1958
• Poromya houbricki F.R. Bernard, 1989
• Poromya hyalina F.R. Bernard, 1989 accepted as Lissomya hyalina (Bernard, 1989)
• Poromya illevis Hedley, 1913
• Poromya intracta (Sturany, 1899)
• Poromya isocardioides Dautzenberg & H. Fischer, 1897 accepted as Cetomya tornata (Jeffreys, 1876)
• Poromya laevis E.A. Smith, 1885
• Poromya leonina (Dall, 1916)
• Poromya mactroides Dall, 1889 accepted as Dermatomya mactroides (Dall, 1889)
• Poromya malespinae Ridewood, 1903
• Poromya margarita Dall, 1886 accepted as Cetoconcha margarita (Dall, 1886)
• Poromya microdonta Dall, 1890 accepted as Cetomya tornata (Jeffreys, 1876)
• Poromya microsculpta Dell, 1995
• Poromya neaeroides Seguenza, 1877
• Poromya neozelanica (Dell, 1956)
• Poromya niasensis Thiele & Jaeckel, 1931 accepted as Cetomya niasensis (Thiele & Jaeckel, 1931)
• Poromya orientalis Thiele & Jaeckel, 1931 accepted as Cetomya orientalis (Thiele & Jaeckel, 1931)
• Poromya pergranosa Pelseneer, 1911
• Poromya perla Dall, 1908 accepted as Cetomya perla (Dall, 1908)
• Poromya pulchella Adams & Reeve, 1850 accepted as Raeta pulchella (A. Adams & Reeve, 1850)
• Poromya romanchensis Odhner, 1960 accepted as Cetomya tornata (Jeffreys, 1876)
• Poromya rostrata Rehder, 1943
• Poromya rotundata Jeffreys, 1876 accepted as Poromya granulata (Nyst & Westendorp, 1839)
• Poromya sansibarica Thiele & Jaeckel, 1931
• Poromya sinica Xu, 1999
• Poromya spinosula Thiele, 1912
• Poromya spinulosa Thiele, 1912 accepted as Poromya spinosula Thiele, 1912
• Poromya striata Sowerby, 1904
• Poromya sublevis Dall, 1889 accepted as Cetomya tornata (Jeffreys, 1876)
• Poromya sublevis Verrill, 1884 accepted as Cetomya tornata (Jeffreys, 1876)
• Poromya sumatrana Thiele & Jaeckel, 1931
• Poromya tenuiconcha Dall, 1913
• Poromya tornata (Jeffreys, 1876)