Praematuratropis ovatus (FOSSIL) Rollins & al., 1971 †
Prosoptychus globulus (FOSSIL) (Lindström, 1884 †)
Prosoptychus plenus (FOSSIL) (Billings, 1874 †)
Prosoptychus projectus (FOSSIL) J. Perner, 1903 †
Prosoptychus rotunda (FOSSIL) J. Perner, 1903 †
Prosoptychus sibiricus (FOSSIL) Vostokova, 1955 †
Prosoptychus sphaera (FOSSIL) (Lindström, 1884 †)
Prosoptychus wenlockensis (FOSSIL) (Murchison, 1839 †)
Ptychobellerophon gubleri (FOSSIL) Delpey, 1941 †
Ptychosphaera amplifalcata (FOSSIL) Wang, 1980 †
Ptychosphaera carinata (FOSSIL) (J. de C. Sowerby& Murchison, 1839 †)
Ptychosphaera carinata reedi (FOSSIL) (Pitcher, 1939 †)
Ptychosphaera constricta (FOSSIL) J. Perner, 1903 †
Ptychosphaera convolutus (FOSSIL) (de Koninck, 1876 †)
Ptychosphaera obesa (FOSSIL) Wang, 1980 †
Ptychosphaera ouralicus (FOSSIL) (Murchison & al., 1845 †)
Ptychosphaera thalia (FOSSIL) (J.W. Hall, 1859 †)
Semilukispira petinensis (FOSSIL) (Nalivkin, 1930 †)
Sphaerocyclus altemontanus (FOSSIL) Spitz, 1907 †
Sphaerocyclus angustomphalus (FOSSIL) Spitz, 1907 †
Sphaerocyclus bohemicus (FOSSIL) J. Perner, 1903 †
Sphaerocyclus exquisitus (FOSSIL) Spitz, 1907 †
Sphaerocyclus heros (FOSSIL) Spitz, 1907 †
Sphaerocyclus hintzei (FOSSIL) (Frech, 1894 †)
Sphaerocyclus iners (FOSSIL) Spitz, 1907 †
Sphaerocyclus morganianus (FOSSIL) (Hartt & Rathbun, 1875 †)
Sphaerocyclus tuber (FOSSIL) (J.W. Hall, 1879 †)
Sphaerocyclus whidbornei (FOSSIL) (J. Perner, 1903 †)
Sphenosphaera bilineatus (FOSSIL) (Ulrich & Scofield,1897 †)
Sphenosphaera burginensis (FOSSIL) (Ulrich & Scofield,1897 †)
Sphenosphaera capax (FOSSIL) (Ulrich & Scofield,1897 †)
Sphenosphaera centervillensis (FOSSIL) (Foerste, 1923 †)
Sphenosphaera consimilis (FOSSIL) (Savage, 1913 †)
Sphenosphaera eiseni (FOSSIL) (Lindström, 1884 †)
Sphenosphaera fiscellostriata (FOSSIL) (Foerste, 1887 †)
Sphenosphaera kepinensis (FOSSIL) Yü, 1961 †
Sphenosphaera laurentinus (FOSSIL) (Twenhofel, 1928 †)
Sphenosphaera mohri (FOSSIL) (Miller, 1874 †)