Monotis alaskana (FOSSIL) Smith, 1927 †
Eomonotis anjuensis (FOSSIL) (Bytschkov & Efimova,1966 †)
Praeotapiria bakevelliaeformis (FOSSIL) Kurushin, 1985 †
Otapiria bakevilliaeformis (FOSSIL) Kurushin 1985 †
Lupherella boechiformis (FOSSIL) (A. Hyatt, 1894 †)
Pacimonotis callazonensis (FOSSIL) (Westermann, 1962 †)
Eomonotis daonellaeformis (FOSSIL) (Kiparisova, 1960 †)
Eomonotis diptonensis (FOSSIL) J. Grant-Mackie, 1980 †
Otapiria dissimilis (FOSSIL) (Cox, 1878 †)
Monotis haueri (FOSSIL) E.A.L. Kittl, 1912 †
Lupherella huidongensis (FOSSIL) (Chen 1987) †
Eomonotis inaequivalvis (FOSSIL) (H.G. Bronn, 1930 †)
Eomonotis jakutica (FOSSIL) (Teller, 1896 †)
Eomonotis kiritihereensis (FOSSIL) J. Grant-Mackie, 1980 †
Otapiria marshalli (FOSSIL) (C.T. Trechmann, 1923 †)
Eomonotis marwicki (FOSSIL) J. Grant-Mackie, 1980 †
Otapiria masoni (FOSSIL) J. Marwick, 1953 †
Eomonotis murihikuensis (FOSSIL) J. Grant-Mackie, 1980 †
Otapiria neuquensis (FOSSIL) Damborenea, 1987 †
Otapiria norica (FOSSIL) McRoberts, 2011 †
Eomonotis obtusicostata (FOSSIL) (Westermann, 1966 †)
Entomonotis ochotica (FOSSIL) (Keyserling, 1848 †)
Entomonotis pachypleura (FOSSIL) (Teller, 1886 †)
Otapiria pacifica (FOSSIL) Covacevich & Escobar,1979 †
Eomonotis pinensis (FOSSIL) (Westermann, 1962 †)
Entomonotis posteroplana (FOSSIL) Westermann, 1962 †
Monotis pygmaea (FOSSIL) Münster, 1841 †
Eomonotis rauparaha (FOSSIL) J. Grant-Mackie, 1980 †
Monotis salinaria (FOSSIL) H.G. Bronn, 1830 †
Monotis scutiformis (FOSSIL) Teller, 1886 †
Monotis subcircularis (FOSSIL) (W.M. Gabb, 1864 †)
Otapiria tailleuri (FOSSIL) Imlay, 1967 †
Eomonotis typica (FOSSIL) (Kiparisova, 1936 †)
Eomonotis wairakae (FOSSIL) J. Grant-Mackie, 1980 †
Inflatomonotis warepana (FOSSIL) J. Grant-Mackie, 1980 †