Heteroschizodus macomoides Newell & Boyd, 1975 †
Lyroschizodus oklahomensis (Beede, 1907) †
Lyroschizodus orbicularis Newell & Boyd, 1975 †
Prisconaia ventricosa Conrad, 1867 † accepted as Schizodus ventricosus (Conrad, 1867) †
Procostatoria cooperi Newell & Boyd, 1975 †
Procostatoria gloveri Newell & Boyd, 1975 †
Procostatoria sexradiata (C. C. Branson, 1930) †
Schizodus (Prisconaia) perelegans Meek & Worthen, 1870 † (uncertain > unassessed )
Schizodus (Protoschizodus) palaeoneiliformis Herrick, 1888 † (uncertain > unassessed )
Schizodus (Toechomya) freitasi J. M. Clarke, 1899 † (uncertain > unassessed )
Schizodus (Toechomya) rathbuni J. M. Clarke, 1899 † (uncertain > unassessed )
Schizodus (Toechomya) transversus Beushausen, 1884 † (uncertain > taxon inquirendum )
Schizodus aequalis J. Hall, 1885 † (uncertain > unassessed )
Schizodus affinis Herrick, 1887 † (uncertain > unassessed )
Schizodus alpinus (J. Hall, 1858) †
Schizodus alpinus Winkler, 1859 † (uncertain > unassessed )
Schizodus altus Newell & Boyd, 1975 †
Schizodus amazonicus J. C. Mendes, 1966 † (uncertain > unassessed )
Schizodus amplus Meek & Worthen, 1870 †
Schizodus arrondoi González, 1992 †
Schizodus batesvillensis Weller, 1897 † (uncertain > unassessed )
Schizodus bifidus Ciriacks, 1963 †
Schizodus brannerianus Girty, 1915 † (uncertain > unassessed )
Schizodus brodicus Nalivkin, 1960 † (uncertain > unassessed )
Schizodus canalis C. C. Branson, 1930 †
Schizodus chemungensis Herrick, 1888 † (uncertain > unassessed )
Schizodus chemungensis var. aequalis Herrick, 1888 † (uncertain > unassessed )
Schizodus chemungensis var. prolongatus Herrick, 1888 † (uncertain > unassessed )
Schizodus chesterensis Meek & Worthen, 1861 † (uncertain > unassessed )
Schizodus circulus Worthen, 1884 † (uncertain > unassessed )
Schizodus compressus Beede, 1900 † (accepted > unreplaced junior homonym )
Schizodus compressus W. Waagen, 1881 † (uncertain > unassessed )
Schizodus concinnus C. C. Branson, 1930 † accepted as Scaphellina concinna (C. C. Branson, 1930) †
Schizodus contractus J. Hall, 1885 † (uncertain > unassessed )
Schizodus cuneatus Meek, 1875 † (uncertain > unassessed )
Schizodus cuneus Herrick, 1888 † (uncertain > unassessed )
Schizodus curtiformis Walcott, 1884 † (uncertain > unassessed )
Schizodus curtus Meek & Worthen, 1866 † (uncertain > unassessed )
Schizodus degener J. Hall, 1885 † (uncertain > unassessed )
Schizodus deparcus Walcott, 1884 † (uncertain > unassessed )
Schizodus depressus Worthen, 1884 † (uncertain > unassessed )
Schizodus depressus var. abruptus Girty, 1915 † (uncertain > unassessed )
Schizodus devonicus Verneuil, 1845 † (uncertain > unassessed )
Schizodus devonicus var. livenica Nalivkin, 1960 † (unaccepted > unavailable name )
Schizodus devonicus var. minima Nalivkin, 1960 † (unaccepted > unavailable name )
Schizodus dianensis F.-X. Guo, 1985 † (uncertain > unassessed )
Schizodus dubiiformis W. Waagen, 1881 † (uncertain > unassessed )
Schizodus ejneqiensis B.-D. Shi, 1983 † (uncertain > unassessed )
Schizodus elongatus Beushausen, 1884 † (uncertain > unassessed )
Schizodus elongatus Grabau, 1931 † (uncertain > unassessed )
Schizodus elongatus Gümbel, 1861 † (uncertain > unassessed )
Schizodus eminens J. Hall, 1885 † (uncertain > unassessed )
Schizodus fallax Beushausen, 1884 † (uncertain > unassessed )
Schizodus ferrieri Girty, 1910 † (uncertain > unassessed )
Schizodus fitzroyensis Dickins, 1963 †
Schizodus gapeevi Fedotov, 1932 † (uncertain > unassessed )
Schizodus guizhouensis L. Liu & J.-T. Xu, 1976 † (uncertain > unassessed )
Schizodus harii S. A. Miller, 1892 † (uncertain > unassessed )
Schizodus harlamensis Herrick, 1888 † (uncertain > unassessed )
Schizodus hedongensis L. Liu, 1976 † (uncertain > unassessed )
Schizodus hengshanensis R.-J. Zhang, 1977 † (uncertain > unassessed )
Schizodus insignis N. F. Drake, 1897 † (uncertain > unassessed )
Schizodus jakovlevi Fedotov, 1932 † (uncertain > unassessed )
Schizodus jiangheensis Y.-J. Lu, 1986 †
Schizodus jiangxiensis J.-H. Li & B.-L. Ding, 1982 † (uncertain > unassessed )
Schizodus judicensis Scalia, 1912 † (uncertain > unassessed )
Schizodus kefersteini Beushausen, 1884 † (uncertain > unassessed )
Schizodus kennedyensis Dickins, 1956 †
Schizodus kobayashii Ichikawa, 1951 † (uncertain > unassessed )
Schizodus lianyuanensis R.-J. Zhang, 1977 † (uncertain > unassessed )
Schizodus licharewi Kulikov, 1967 † (uncertain > unassessed )
Schizodus lopingensis Kayser, 1883 † (uncertain > unassessed )
Schizodus lutugini Fedotov, 1932 † (uncertain > unassessed )
Schizodus magnus Worthen, 1884 † (uncertain > unassessed )
Schizodus malani Mansuy, 1912 † (uncertain > unassessed )
Schizodus medinaensis Meek, 1871 † (uncertain > unassessed )
Schizodus meekanus Girty, 1899 †
Schizodus mocamboensis Anelli, 1994 † (unaccepted > nomen nudum )
Schizodus mooresi S. A. Miller, 1889 † accepted as Schizodus amplus Meek & Worthen, 1870 †
Schizodus nauvcoensis Worthen, 1884 † (uncertain > unassessed )
Schizodus newarkensis Herrick, 1888 † (uncertain > unassessed )
Schizodus obrotundatus Beushausen, 1884 † (uncertain > unassessed )
Schizodus obscurus (J. Sowerby, 1821) †
Schizodus occidentalis F. R. C. Reed, 1930 †
Schizodus oklahomaensis Beede, 1907 † accepted as Lyroschizodus oklahomensis (Beede, 1907) †
Schizodus ovalis W. Keferstein, 1841 † (uncertain > unassessed )
Schizodus pandatus Girty, 1899 † (uncertain > unassessed )
Schizodus patulus J. Hall, 1885 † (uncertain > unassessed )
Schizodus paucus González, 1977 † (uncertain > unassessed )
Schizodus peregrinus Beushausen, 1889 † (uncertain > unassessed )
Schizodus phosphoriensis C. C. Branson, 1930 † accepted as Scaphellina concinna (C. C. Branson, 1930) †
Schizodus pinguis W. Waagen, 1881 † (uncertain > unassessed )
Schizodus pintoensis Walcott, 1884 † (uncertain > unassessed )
Schizodus planus Golovkinski, 1869 † accepted as Oriocrassatella plana (Golovkinski, 1869) †
Schizodus qijiagouensis Z.-R. Yang, 1983 † (uncertain > unassessed )
Schizodus radiatus Ichikawa, 1951 † (uncertain > unassessed )
Schizodus randolphensis Worthen, 1890 † (uncertain > unassessed )
Schizodus rossicus Verneuil, 1845 † (uncertain > unassessed )
Schizodus rotundatus (T. Brown, 1841) †
Schizodus sandimanensis Dickins, 1963 †