Gladius antarcticus Harwood, 1988 † (uncertain > unassessed )
Gladius antarcticus f. alta Harwood, 1988 (uncertain > unassessed )
Gladius antiquus Forti & Schulz, 1932 † (uncertain > unassessed )
Gladius antiquus var. nodosus Gersonde & Harwood, 1990 (uncertain > unassessed )
Gladius antiquus var. tenuis Gersonde & Harwood, 1990 (uncertain > unassessed )
Gladius clavatus Jousé, 1951 † (uncertain > unassessed )
Gladius hispidus Jousé, 1955 † (uncertain > unassessed )
Gladius jouseanus Hajós, 1974 † (uncertain > unassessed )
Gladius maximus Hajós, 1974 † (uncertain > unassessed )
Gladius pacificus M.Hajós & H.Stradner, 1975 † (uncertain > unassessed )
Gladius pacificus f. minor Hajós, 1974 (uncertain > unassessed )
Gladius perfectus Gersonde & Harwood, 1990 † (uncertain > unassessed )
Gladius pistilliformis Jousé, 1955 † (uncertain > unassessed )
Gladius rhizophorus Gersonde & Harwood, 1990 † (uncertain > unassessed )
Gladius schulzii Jousé, 1955 † (uncertain > unassessed )
Gladius speciosus P.Schulz, 1935 † (uncertain > unassessed )
Gladius speciosus f. aculeolatus (Strelnikova) Strelnikova, 1974 (uncertain > unassessed )
Gladius speciosus f. ellipsoideus (Strelnikova) Strelnikova, 1974 (uncertain > unassessed )
Gladius speciosus f. poratus (Strelnikova) Strelnikova, 1974 (uncertain > unassessed )
Gladius trispinosus Gersonde & Harwood, 1990 † (uncertain > unassessed )
Gladius trispinosus var. tenuis Gersonde & Harwood, 1990 (uncertain > unassessed )
Gyrodiscus hillabyanus Wise, 1956 † (uncertain > unassessed )
Gyrodiscus hungaricus Pantocsek, 1889 † (uncertain > unassessed )
Gyrodiscus intricatus Barker & Meakin, 1946 † (uncertain > unassessed )
Gyrodiscus kamichevensis Meister, 1937 † (uncertain > unassessed )
Gyrodiscus nona Arkhangelskii, 1953 † (uncertain > unassessed )
Gyrodiscus radiosus Barker & Meakin, 1946 † (uncertain > unassessed )
Gyrodiscus vortex Witt, 1885 † (uncertain > unassessed )
Mastogonia actinocyclus Ehrenberg, 1855 (uncertain > unassessed )
Mastogonia actinoptychus (Ehrenberg) Ehrenberg, 1845 (1845) accepted as Pyxidicula actinoptychus Ehrenberg, 1844
Mastogonia biaculeata Cleve-Euler, 1951 (uncertain > unassessed )
Mastogonia crux Ehrenberg, 1844 (1845) (uncertain > unassessed )
Mastogonia discoplea Ehrenberg, 1849 (uncertain > unassessed )
Mastogonia heptagonae Ehrenberg, 1844 (1845) (uncertain > unassessed )
Mastogonia hexagona Ehrenberg, 1845 (uncertain > unassessed )
Mastogonia ocella Chin & Cheng, 1984 (uncertain > unassessed )
Mastogonia oculuschamaeleontis (Ehrenberg) Ehrenberg, 1844 (1845) accepted as Pyxidicula oculuschamaeleontis Ehrenberg, 1844
Mastogonia pentagona Jurilj, 1957 (uncertain > unassessed )
Mastogonia praetexta (Ehrenberg) Ehrenberg, 1854 accepted as Pyxidicula praetexta Ehrenberg, 1844
Mastogonia quinaria Ehrenberg, 1844 (1845) (uncertain > unassessed )
Mastogonia rota Ehrenberg, 1844 (1845) (uncertain > unassessed )
Mastogonia sexangula Ehrenberg, 1844 (1845) (uncertain > unassessed )
Mastogonia simbirskiana Pantocsek, 1889 (uncertain > unassessed )
Pyrgupyxis caput-avis (Brun) Hendey, 1969 † (uncertain > unassessed )
Pyrgupyxis caput-avis var. gracilis (Tempère) Hendey, 1969 (uncertain > unassessed )
Pyrgupyxis eocena Hendey, 1969 † (uncertain > unassessed )
Pyrgupyxis gracilis (Tempère & Forti) Hendey, 1969 † accepted as Pyxilla gracilis var. gracilis Tempère & Forti in Forti, 1909
Pyrgupyxis gracilis var. buccinalis (Forti) Hendey, 1969 accepted as Pyxilla gracilis var. buccinalis A.I.Forti
Pyrgupyxis gracilis var. saratoviana (Pantocsek) Hendey, 1969 accepted as Hemiaulus saratovianus Pantocsek, 1889
Pyrgupyxis johnsoniana N.I.Hendey † accepted as Pyxilla johnsoniana var. johnsoniana Greville, 1865
Pyrgupyxis johnsoniana var. intermedia (J.A.J.C.Tempère & A.I.Forti) N.I.Hendey accepted as Pyxilla johnsoniana f. intermedia Tempère & Forti in Forti, 1909
Pyrgupyxis oligocaenica (Jousé) Schrader in Schrader & Fenner, 1976 † accepted as Pyxilla oligocaenica var. oligocaenica Jousé, 1955
Pyrgupyxis prolongata (Brun) Hendey, 1969 † (uncertain > unassessed )
Pyxilla aculeifera Grunow in Van Heurck, 1882 (uncertain > unassessed )
Pyxilla americana (Ehrenberg) Grunow (uncertain > unassessed )
Pyxilla americana var. americana (Ehrenberg) Grunow in Van Heurck, 1883 (uncertain > unassessed )
Pyxilla americana var. dilatata Gaponov, 1915 (uncertain > unassessed )
Pyxilla antarctica Jouse in Jouse, Koroleva & Nagaeva, 1962 (uncertain > unassessed )
Pyxilla antiqua (Pantocsek) M. Peragallo, 1903 accepted as Zygoceros antiquus var. antiquus Pantocsek, 1892
Pyxilla antiqua Cleve-Euler, 1951 (uncertain > unassessed )
Pyxilla antiqua var. interrupta (Pantocsek) M. Peragallo, 1903 (uncertain > unassessed )
Pyxilla ascidiiformis Jousé, 1949 (uncertain > unassessed )
Pyxilla asiatica Jousé, 1955 (uncertain > unassessed )
Pyxilla baltica Grunow
Pyxilla baltica V.Hensen (uncertain > unassessed )
Pyxilla baltica var. antiqua (Cleve-Euler) Tsumura, 1960 accepted as Pyxilla antiqua Cleve-Euler, 1951
Pyxilla baltica var. baltica Grunow in Schmidt, 1874 (uncertain > unassessed )
Pyxilla barbadensis Greville, 1865 (uncertain > unassessed )
Pyxilla barboi (J.-J.Brun) J.-J.Brun (uncertain > unassessed )
Pyxilla bicornis Krotov, 1959 (uncertain > unassessed )
Pyxilla boothi Hanna & Brigger, 1964 (uncertain > unassessed )
Pyxilla boreale (J.W. Bailey) Wolle, 1890 accepted as Chaetoceros borealis Schutt, 1893
Pyxilla capitata Barker & Meakin, 1948 (uncertain > unassessed )
Pyxilla caputavis (uncertain > unassessed )
Pyxilla caputavis var. caputavis Brun, 1896 (uncertain > unassessed )
Pyxilla caputavis var. gracilis Tempère & Forti, 1909 (uncertain > unassessed )
Pyxilla carinifera Grunow accepted as Ktenodiscus cariniferus (Grunow) S.Blanco & C.E.Wetzel, 2016
Pyxilla carinifera var. carinifera Grunow in Van Heurck, 1882 (uncertain > unassessed )
Pyxilla carinifera var. fossilis De Toni, 1894 (uncertain > unassessed )
Pyxilla carinifera var. russica Pantocsek, 1892 (uncertain > unassessed )
Pyxilla cleveana Forti, 1909 (uncertain > unassessed )
Pyxilla conoidalis Jousé, 1951 (uncertain > unassessed )
Pyxilla cornuta Pantocsek, 1886 (uncertain > unassessed )
Pyxilla cretacea Jousé, 1949 (uncertain > unassessed )
Pyxilla danica (Grunow ex Van Heurck) Kanaya, 1957 accepted as Stephanogonia danica Grunow, 1866 † accepted as Furtheca danica (Grunow) S.Blanco & C.E.Wetzel, 2016 †
Pyxilla danica A.Tempère (uncertain > unassessed )
Pyxilla digitus F.Azpeitia Moros (uncertain > unassessed )
Pyxilla digitus var. digitus Azpeitia y Moros, 1911 (uncertain > unassessed )
Pyxilla digitus var. scutiformis Azpeitia y Moros, 1911 (uncertain > unassessed )
Pyxilla digitus var. subspinosa Azpeitia y Moros, 1911 (uncertain > unassessed )
Pyxilla directa Pantocsek, 1892 (uncertain > unassessed )
Pyxilla dubia Grunow in Van Heurck, 1882 (uncertain > unassessed )
Pyxilla fossilis (Pantocsek) Forti, 1909 (uncertain > unassessed )
Pyxilla fungairinoi Azpeitia y Moros, 1911 (uncertain > unassessed )
Pyxilla gracilis J.A.J.C.Tempère & A.I.Forti (uncertain > unassessed )
Pyxilla gracilis var. buccinalis A.I.Forti (uncertain > unassessed )
Pyxilla gracilis var. gracilis Tempère & Forti in Forti, 1909 (uncertain > unassessed )
Pyxilla gracilis var. saratoviana (Pantocsek) Tempère & Forti in Forti, 1909 accepted as Hemiaulus saratovianus Pantocsek, 1889
Pyxilla hungarica Pantocsek, 1892 (uncertain > unassessed )
Pyxilla johnsoniana Greville