Poromya laevis E.A. Smith, 1885
Pseudocuspidaria lakiensis (FOSSIL) (Cox, 1938 †)
Poromya lata (FOSSIL) E. Forbes, 1846 †
Poromya lohaliensis (FOSSIL) Kirkland, 1996 †
Dermatomya mactroides (W.H. Dall, 1889)
Cetomya malespinae (W.G. Ridewood, 1903)
Psilomya meeki (FOSSIL) White, 1874 †
Poromya microsculpta R.K. Dell, 1995
Poromya mississippiensis (FOSSIL) †
Cetomya nataliae E.M. Krylova, 2001
Cetomya neaeroides (G. Seguenza, 1877)
Poromya neozelanica (R.K. Dell, 1956)
Cetomya niasensis (K.H.J. Thiele& S.G.A. Jaeckel, 1931)
Cetomya orientalis (K.H.J. Thiele& S.G.A. Jaeckel, 1931)
Neaeroporomya pakistanica (FOSSIL) F.E. Eames, 1951 †
Cetomya perla (W.H. Dall, 1908)
Psilomya peterpondi (FOSSIL) McLearn, 1933 †
Cetomya poutiersi E.M. Krylova, 2001
Psilomya profunda (FOSSIL) (White 1887) †
Liopistha protexta (FOSSIL) (T.A. Conrad, 1853 †)
Poromya rostrata H.A. Rehder, 1943
Lissomya rotundula E.M. Krylova, 1997
Poromya sansibarica K.H.J. Thiele& S.G.A. Jaeckel, 1931
Cetomya scapha (W.H. Dall, 1902)
Liopistha sergipensis (FOSSIL) White, 1887 †
Poromya sinica F.S. Xu, 1999
Neaeroporomya soriensis (FOSSIL) F.E. Eames, 1951 †
Dilemma spectralis J.H. Leal, 2008
Poromya spinosula K.H.J. Thiele, 1912
Poromya spinulosa K.H.J. Thiele, 1912
Poromya striata G.B. Sowerby, 1904
Poromya sumatrana K.H.J. Thiele& S.G.A. Jaeckel, 1931
Dermatomya tenuiconcha (W.H. Dall, 1913)
Cetomya tornata (J.G. Jeffreys, 1876)
Cetomya transversa (W.H. Dall, P. Bartsch& H.A. Rehder, 1938)