Asteracanthion Müller & Troschel, 1840 accepted as Asterias Linnaeus, 1758 (extant flag source)
Axinopsis G.O. Sars, 1878 accepted as Axinopsida Keen & Chavan in Chavan, 1951 (extant flag source)
Catillopecten Iredale, 1939 (extant flag source)
Chelone Brongniart, 1805 accepted as Chelonia Brongniart, 1800 (extant flag source)
Cithara Agassiz, 1846 accepted as Cythara Schumacher, 1817 (extant flag source)
Cyprina Lamarck, 1818 accepted as Arctica Schumacher, 1817 (extant flag source)
Dendrostrea Agassiz, 1846 accepted as Dendostrea Swainson, 1835 (extant flag source)
Goniodiscus Müller & Troschel, 1842 accepted as Culcita Agassiz, 1836 (extant flag source)
Gonocerus Berthold in Latreille, 1827 (extant flag source)
Hypudaeus Illiger, 1811 accepted as Lemmus Link, 1795 (extant flag source)
Perodipus Fitzinger, 1867 accepted as Dipodomys Gray, 1841 (extant flag source)
Pseudamusium accepted as Pseudamussium Mörch, 1853 (extant flag source)
Scymnus Cuvier, 1816 accepted as Dalatias Rafinesque, 1810 (extant flag source)
Syrrhopus Boulenger, 1888 accepted as Eleutherodactylus Duméril & Bibron in Roret, 1841 (extant flag source)
Trichecus Müller, 1773 accepted as Trichechus Linnaeus, 1758 (extant flag source)
Zygaena Cuvier, 1816 accepted as Sphyrna Rafinesque, 1810 (extant flag source)