Actinolepidae Gross, 1940 † accepted as Actinolepididae Gross, 1940 † (extant flag source)
Actinolepidae Gross, 1940 † accepted as Actinolepididae Gross, 1940 † (basis of record)
Agassizocrinidae † (basis of record)
Agassizocrinidae † (extant flag source)
Anomalocystitidae † (extant flag source)
Anomalocystitidae † (basis of record)
Astrosphaeridae Haeckel, 1881 † (basis of record)
Astrosphaeridae Haeckel, 1881 † (extant flag source)
Batocrinidae † (extant flag source)
Batocrinidae † (basis of record)
Binneyitidae † (basis of record)
Binneyitidae † (extant flag source)
Buchitidae † (extant flag source)
Buchitidae † (basis of record)
Clonocrinidae † (basis of record)
Clonocrinidae † (extant flag source)
Cricotidae † (extant flag source)
Cricotidae † (basis of record)
Cromyocrinidae † (basis of record)
Cromyocrinidae † (extant flag source)
Cupressocrinitidae Roemer, 1954 † (extant flag source)
Cupressocrinitidae Roemer, 1954 † (basis of record)
Cyphornithidae † (basis of record)
Cyphornithidae † (extant flag source)
Dichocrinidae Miller, 1889 † (extant flag source)
Dichocrinidae Miller, 1889 † (basis of record)
Dolatocrinidae † (basis of record)
Dolatocrinidae † (extant flag source)
Edriocrinidae † (extant flag source)
Edriocrinidae † (basis of record)
Eoscorpiidae Scudder, 1884 † (extant flag source)
Eoscorpiidae Scudder, 1884 † (basis of record)
Eusparassidae † (basis of record)
Eusparassidae † (extant flag source)
Gemmelleroiidae † (extant flag source)
Gemmelleroiidae † (basis of record)
Glyptocrinidae † (basis of record)
Glyptocrinidae † (extant flag source)
Graphiocrinidae † (extant flag source)
Graphiocrinidae † (basis of record)
Gwyneddichnidae Bock, 1952 † (basis of record)
Gwyneddichnidae Bock, 1952 † (extant flag source)
Gyronitidae Waagen, 1895 † (extant flag source)
Gyronitidae Waagen, 1895 † (basis of record)
Hexecontasomatidae Hannibal, 2000 † (basis of record)
Housiidae † (basis of record)
Housiidae † (extant flag source)
Ichthyocrinidae † (extant flag source)
Ichthyocrinidae † (basis of record)
Leodicidae † (extant flag source)
Leodicidae † (basis of record)
Leptophragmatidae † (basis of record)
Leptophragmatidae † (extant flag source)
Lologosepiidae † accepted as Loligosepiidae Regteren Altena, 1949 † (extant flag source)
Lologosepiidae † accepted as Loligosepiidae Regteren Altena, 1949 † (basis of record)
Marsupiocrinidae † (basis of record)
Marsupiocrinidae † (extant flag source)
Mazoniidae Petrunkevitch, 1913 † (extant flag source)
Mazoniidae Petrunkevitch, 1913 † (basis of record)
Neurankylidae † (basis of record)
Neurankylidae † (extant flag source)
Osmeroididae Forey, 1973 † (basis of record)
Pachylocrinidae Kirk, 1942 † (basis of record)
Pachylocrinidae Kirk, 1942 † (extant flag source)
Panxiosteidae † (extant flag source)
Panxiosteidae † (basis of record)
Parasuchidae Lydekker, 1885 † (basis of record)
Parasuchidae Lydekker, 1885 † (extant flag source)
Porcelliidae von Zittel, 1895 † (basis of record)
Proconulidae Cox, 1960 † (basis of record)
Proterotheridae † accepted as Proterotheriidae Ameghino, 1887 † (basis of record)
Proterotheridae † accepted as Proterotheriidae Ameghino, 1887 † (extant flag source)
Pyrigiidae † (basis of record)
Pyrigiidae † (extant flag source)
Receptaculitidae Eichwald, 1860 † accepted as Receptaculitaceae Eichwald, 1860 † (extant flag source)
Scyphocrinitidae † (extant flag source)
Scyphocrinitidae † (basis of record)
Selenichnidae Lull, 1915 † (basis of record)
Selenichnidae Lull, 1915 † (extant flag source)
Stichocorythidae Haeckel, 1882 † (basis of record)
Stichocorythidae Haeckel, 1882 † (extant flag source)
Synerocrinidae † (extant flag source)
Synerocrinidae † (basis of record)
Thaumantiadidae Gegenbauer, 1856 accepted as Campanulariidae Johnston, 1836 (extant flag source)
Thaumantiadidae Gegenbauer, 1856 accepted as Campanulariidae Johnston, 1836 (basis of record)
Theocorythidae Haeckel, 1882 † (basis of record)
Theocorythidae Haeckel, 1882 † (extant flag source)
Timorechinidae † (extant flag source)
Timorechinidae † (basis of record)
Tremataspidae † accepted as Tremataspididae Woodward, 1891 † (basis of record)
Tremataspidae † accepted as Tremataspididae Woodward, 1891 † (extant flag source)