Cuspidaria parva A.E. Verrill & K.J. Bush,1898 America4,2 mm
Cuspidaria patagonica (E.A. Smith, 1885) Chile, Desolacion Island30 mm
Myonera paucistriata W.H. Dall, 1886 Florida Keys
Cardiomya pavascotti (FOSSIL) C.J.S. Hickman, 2014 † Oregon
Cardiomya pectinata (Carpenter, 1865) British Columbia, Vancouver Island40 mm
Cuspidaria pellucida (W. Stimpson, 1853) America
Cardiomya penjica (FOSSIL) V.N. Sinelnikova, 1997 † Western Kamchatka
Pseudoneaera periplomoides K. Sakurai& T. Habe in T. Habe, 1961 Indo Pacific
Cardiomya perrostrata (W.H. Dall, 1881) Panama East9 mm
Cuspidaria persulcata (FOSSIL) (Stanton, 1895 †) California, Paskenta
Luzonia philippinensis (R.B. Hinds, 1843)
Cardiomya pinna (J.C. Verco, 1908) South Australia
Cardiomya planetica (W.H. Dall, 1908) USA, Washington10,3 mm
Cuspidaria platensis (E.A. Smith, 1885) Brazil7 mm
Octoporia podobeda E.M. Krylova, 1994
Cuspidaria potti R. Sturany, 1901
Octoporia poutiera J.A. Allen, 2011
Cuspidaria precuspidata (FOSSIL) Gillet & W. Theobald,1936 † Germany, Mecklenburg4 mm
Myonera pretiosa A.E. Verrill & K.J. Bush,1898 Gulf of Mexico
Cuspidaria prolatissima J. Poutiers, 1981 China, Zhejiang26,6 mm
Plectodon pruinosus B.A. Marshall, 2002 New Zealand, Three Kings Islands
Bathyneaera quadrostrata (J. Poutiers, 1984)
Cuspidaria raincourti (FOSSIL) A.E.M. Cossmann, 1886 † France, Paris Basin7 mm
Austroneaera raoulensis A.W.B. Powell, 1958 New Zealand, Kermadec Islands
Rhinoclama raoulensis A.W.B. Powell, 1958 New Zealand, Kermadec Islands
Cardiomya rectimarginata R.K. Dell, 1962 New Zealand
Plectodon regalis B.A. Marshall, 2002 New Zealand
Cardiomya reticulata (J.T. Kuroda, 1948) Indo Pacific
Cuspidaria rosea (R.B. Hinds, 1843)
Myonera rostra J. Poutiers& F.R. Bernard, 1995
Cuspidaria rostrata (L. Spengler, 1793) Spain15 mm
Rhinoclama rugata (C.B. Adams, 1864) Australia, Port Jackson
Octoporia rugosa E.M. Krylova, 1994
Cardiomya saba J. Knudsen, 1982
Cuspidaria sadoensis T.A. Okutani & K. Itô,1983 Philippines, Aliguay Island19,4 mm