Acuticylindra Iredale, 1929 accepted as Cylindromitra Fischer, 1884 accepted as Pterygia Röding, 1798 (source of synonymy)
Atrimitra Dall, 1918 (verified source for family)
Cancillopsis Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Carinomitra Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Charitodoron Tomlin, 1932 (verified source for family)
Charitodoronidae Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Condylomitra Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Conoelix Swainson, 1821 accepted as Imbricaria Schumacher, 1817 (source of synonymy)
Dibaphus Philippi, 1847 accepted as Nebularia Swainson, 1840 (source of synonymy)
Domiporta Cernohorsky, 1970 (extant flag source)
Episcomitra Monterosato, 1917 (status source)
Fuscomitra Pallary, 1900 accepted as Isara Adams, 1853 † (source of synonymy)
Fusidomiporta Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Gemmulimitra Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Imbricariopsis Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Isara Adams, 1853 † (status source)
Isara Adams, 1853 † (verified source for family)
Mitroidea Pease, 1865 accepted as Nebularia Swainson, 1840 (source of synonymy)
Neotiara Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Papalaria Ball, 1915 accepted as Mitra Lamarck, 1798 (source of synonymy)
Phaeomitra Martens in Moebius, 1880 accepted as Strigatella Swainson, 1840 (source of synonymy)
Pleioptygma Conrad, 1863 (verified source for family)
Probata Sarasua, 1989 (status source)
Probata Sarasua, 1989 (verified source for family)
Profundimitra Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Pseudonebularia Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Quasimitra Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Roseomitra Fedosov, Herrmann, Kantor & Bouchet in Fedosov et al., 2018 (original description)
Swainsonia H. Adams & A. Adams, 1853 (status source)
Tiarella Swainson, 1840 accepted as Mitra Lamarck, 1798 (source of synonymy)

 Taxonomic remark

 for Elorhynchus Ezcurra, Fiorelli, Trotteyn, Martinelli & Desojo, 2021 †

Year given as 2020 in ION/Zoological Record, however the journal issue (for 2020) was not published (online) until ... [details]

 Taxonomic remark

 for Sorosoceras Evans, Ghobadi Pour, Popov & Jahangir, 2021 †

Second author given as Pour in ION/Zoological Record, Ghobadi Pour is correct per original work. [details]