Modiolopsis modiolaris (FOSSIL) (T.A. Conrad, 1838 †) UK, England, Shropshire
Modiolopsis modiolaris (FOSSIL) J.W. Hall 1847 †
Whiteavesia modioliformis (FOSSIL) F.B. Meek & A.H. Worthen †, Minnesota
Callodonta monilifera (FOSSIL) Isberg, 1934 † Sweden, Dalarna
Modiolopsis morierei (FOSSIL) (Tromelin, 1840 †) Spain, Castilla-La Mancha, Ciudad Real
Spathella munda (FOSSIL) Whidborne, 1896 † UK, Devon
Colpomya munini (FOSSIL) Liljedahl, 1994 † Sweden, Gotland
Modiomorpha mytiloides (FOSSIL) T.A. Conrad † United States, New York, Solsville
Modiolopsis nana (FOSSIL) Ulrich, 1894 † USA, Minnesota, Goodhue
Arcticlam nanseni (FOSSIL) Marincovich Jr., 1993 † Alaska, North Slope County
Orthodesma nasutum (FOSSIL) (J.W. Hall, 1847 †) Canada, Ontario, Toronto
Modiolopsis nilssoni (FOSSIL) (Hisinger, 1837 †) Norway, Buskerud, Modum
Aristerella nitidula (FOSSIL) Ulrich, 1894 † Minnesota
Aristerella nitiduloides (FOSSIL) Bekker, 1921 † Estonia
Mimerodonta njordi (FOSSIL) Liljedahl, 1994 † Sweden, Gotland
Parallelodus obliquus (FOSSIL) R.M. Branson, 1909 † United States, Missouri, Lincoln
Modiolopsis orthoconcavus (FOSSIL) Fisher, 1957 † USA, New York, Madison
Cymatonota orthonotum (FOSSIL) F.B. Meek & A.H. Worthen †, Illinois
Modiomorpha ostbjorkae (FOSSIL) Isberg, 1934 †
Modiolopsis ovata (FOSSIL) (T.A. Conrad, 1842 †) USA, New York, Oneida
Modiomorpha ovata (FOSSIL) F.B. Meek, 1877 † USA, Nevada, Pershing
Modiolodon oviformis (FOSSIL) (Ulrich, 1894 †) USA, Kentucky, Woodford
Modiolopsis oweni (FOSSIL) Ulrich, 1894 † Minnesota
Cymatonota parallela (FOSSIL) (J.W. Hall, 1847 †) Canada, Quebec, Arthabaska
Modiolopsis parviuscula (FOSSIL) Billings, 1859 † Canada, Québec, Communauté-Urbaine-de-l'Outaouais
Modiolodon patulus (FOSSIL) Ulrich, 1894 † Minnesota
Mimerodonta phaseolus (FOSSIL) Kríž, 2008 † Czech Republic, StÅ™edoĨeský, Praha - západ
Pholadomorpha pholadiformis (FOSSIL) (J.W. Hall, 1851 †) Canada, Ontario, Toronto
Cymatonota pholadis (FOSSIL) (J.W. Hall, 1847 †) USA, Virginia, Warren
Modiolopsis pojetai (FOSSIL) Jakobsen & al., 2016 †
Cymatonota postlatum (FOSSIL) (Ulrich, 1894 †) Iowa
Modiolopsis postlineata (FOSSIL) McCoy † UK, Wales
Orthodesma postplicatum (FOSSIL) Foerste, 1914 †
Modiolodon poststriatus (FOSSIL) Foerste, 1914 †
Janicula potens (FOSSIL) (Barrande, 1881 †) Czech Republic, StÅ™edoĨeský, Praha - západ