Holothuroidea de Blainville, 1834
Acutisclerus Gilliland, 1992
Amphitriodites Deflandre-Rigaud, 1963
Andenothyone Haude, 1995
Binoculites Deflandre-Rigaud, 1952
Calclamna Frizzell & Exline, 1955
Calclamnidae
Calclamnoidea Frizzell & Exline, 1955
Clavallus Gilliland, 1992
Costigerites Deflandre-Rigaud, 1963
Cucumariidae Ludwig, 1894
Dictyothurites Deflandre-Rigaud, 1959
Elgerius Deflandre-Rigaud, 1959
Eocaudina Martin, 1952
Exlinellidae
Fissobractites Kirstan-Tollman, 1963
Helfriedella Kozur & Sadeddin, 1990
Heterothyonidae
Huniella Kozur & Sadeddin, 1990
Monilipsolus Smith & Gallemi, 1991
Mortensenites Deflandre-Rigaud, 1952
Pachopsites Kristan-Tollman, 1964
Paracucumarites Deflandre-Rigaud, 1963
Paracucumidae Pawson & Fell, 1965
Parvioctoidus Deflandre-Rigaud, 1963
Petropegia Summerson & Campbell, 1958
Phyllophoridae Östergren, 1907
Placothuriidae Pawson & Fell, 1965
Priscoligula Sadeddin, 1996
Priscolongatus Górka & Luszczewska, 1969
Priscopedatoides
Priscularites
Pseudostaurocumites Mostler, 1969
Psolidae Perrier, 1902
Psolinus Forbes, 1841
Punctatites Mostler, 1968
Schlumbergites
Sclerodactylidae Panning, 1902
Solopedatus
Spinitidae
Spinopriscopedatus Kozur & Sadeddin, 1990
Stichopitella Mostler, 1969
Strobilothyone Smith & Gallemi, 1991
