Atacama Morris, 1980 (extant flag source)
Axelella Petit, 1988 (extant flag source)
Boreas Morris, 1980 (extant flag source)
Brachycythara Woodring, 1928 (extant flag source)
Catenicella de Blainville, 1830 (extant flag source)
Ceratoconcha Kramberger-Gorjanovic, 1889 (extant flag source)
Ceriopora Goldfuss, 1826 † (extant flag source)
Christinella Powell, 1967 accepted as Buffonellaria Canu & Bassler, 1927 (extant flag source)
Colletosia Jullien, 1886 accepted as Umbonula Hincks, 1880 (extant flag source)
Costoanachis Sacco, 1890 (extant flag source)
Crassatella Lamarck, 1799 (extant flag source)
Cretiscalpellum Withers, 1922 † (extant flag source)
Cryoturris Woodring, 1928 (extant flag source)
Cubanina Palmer, 1936 † (extant flag source)
Cymakra Gardner, 1937 accepted as Mitromorpha Carpenter, 1865 (extant flag source)
Cythereis Jones, 1849 (extant flag source)
Dacryoporella Bassler in Quenstedt, 1935 (extant flag source)
Dentimargo Cossmann, 1899 (extant flag source)
Didianema Woodring, 1928 (extant flag source)
Diplotresis Canu & Bassler, 1933 (extant flag source)
Dolicholatirus Bellardi, 1884 (extant flag source)
Dorothia Plummer, 1931 (extant flag source)
Echinanthus Gray, 1825 accepted as Clypeaster Lamarck, 1801 (extant flag source)
Echinanthus Leske, 1778 accepted as Echinolampas Gray, 1825 (extant flag source)
Engoniophos Woodring, 1928 (extant flag source)
Epistomina Terquem, 1883 † (extant flag source)
Erycina Lamarck, 1805 (extant flag source)
Euritina Canu, 1900 (extant flag source)
Flustra Linnaeus, 1761 (extant flag source)
Fungella von Hagenow, 1851 (extant flag source)
Gyrodes Conrad, 1860 (extant flag source)
Hadoceras Hershler & Longley, 1986 accepted as Phreatoceras Hershler & Longley, 1987 (extant flag source)
Haeuslerella Parr, 1935 † (extant flag source)
Haswellia Busk, 1884 accepted as Porina d'Orbigny, 1852 (extant flag source)
Heterillina Munier-Chalmas & Schlumberger in Schlumberger, 1905 (extant flag source)
Hymedesmia Bowerbank, 1864 (extant flag source)
Indophyllia Gerth, 1921 † (extant flag source)
Kronothoa Morris, 1980 (extant flag source)
Lagenorhynchus Gray, 1846 (extant flag source)
Larus Linnaeus, 1758 (extant flag source)
Leguminocythereis Howe in Howe & Law, 1936 † (extant flag source)
Leptoteuthis Verrill, 1884 accepted as Chiroteuthis d'Orbigny [in Férussac & d'Orbigny], 1841 (extant flag source)
Lyropecten Conrad, 1862 (extant flag source)
Manzonella Jullien, 1888 (extant flag source)
Marssonopora Lang, 1914 (extant flag source)
Metroperiella Canu & Bassler, 1917 (extant flag source)
Miraclathurella Woodring, 1928 (extant flag source)
Nannastacus Bate, 1865 (extant flag source)
Nodobacularia Rhumbler, 1895 (extant flag source)
Nuculoma Cossmann, 1907 accepted as Ennucula Iredale, 1931 (extant flag source)
Oceanodroma Reichenbach, 1850 (extant flag source)
Ophiothrix Müller & Troschel, 1840 (extant flag source)
Ophthalmidium Kubler & Zwingli, 1870 (extant flag source)
Orbicula Cuvier, 1798 accepted as Crania Retzius, 1781 † (extant flag source)
Parallelodon Meek & Worthen, 1866 † (extant flag source)
Planitrochus Perner in Barrande, 1903 (extant flag source)
Platycythara Woodring, 1928 (extant flag source)
Plectina Marsson, 1878 (extant flag source)
Pseudomiltha P. Fischer, 1887 † (extant flag source)
Ptychosalpinx Gill, 1867 (extant flag source)
Rectocibicides Cushman & Ponton, 1932 (extant flag source)
Rhadinocythere Hart, 1962 (extant flag source)
Rhynchonella Fischer de Waldheim, 1809 (extant flag source)
Rimosodaphnella Cossmann, 1916 (extant flag source)
Ripacubana Loeblich & Tappan, 1964 † (extant flag source)
Rotalia Lamarck, 1804 (extant flag source)
Salicornaria Schweigger, 1819 accepted as Cellaria Ellis & Solander, 1786 (extant flag source)
Schizosmittina Vigneaux, 1949 (extant flag source)
Spiroporina Stoliczka, 1865 accepted as Porina d'Orbigny, 1852 (extant flag source)
Spirosigmoilina Parr, 1942 (extant flag source)
Stenella Gray, 1866 (extant flag source)
Stigmatoechos Marsson, 1887 (extant flag source)
Tatella Etheridge, 1901 (extant flag source)
Tenaturris Woodring, 1928 (extant flag source)
Terebratula Müller, 1776 (extant flag source)
Tessarelasma Withers, 1936 † (extant flag source)
Thecidea Defrance in Cuvier & Brongniart, 1822 (extant flag source)
Thelecythara Woodring, 1928 (extant flag source)
Thelxiope Rafinesque, 1814 accepted as Homola Leach, 1816 (extant flag source)
Tubinella Rhumbler, 1906 (extant flag source)
Turbinolia Lamarck, 1816 (extant flag source)
Verneuilina d'Orbigny in Sagra, 1839 (extant flag source)
Xerobates Agassiz, 1857 (extant flag source)