Fossil genera:
Actinotheca Cookson and Eisenack 1960a; Cretaceous (Turonian). Aireiana Cookson and Eisenack 1965a; Late Eocene. ?Amphorosphaeridium Davey 1969c; Cretaceous (Campanian-Maastrichtian). ?Arachnodinium Wilson and Clowes 1982; Eocene-Oligocene. ?Archeotectatum Habib 1972; Jurassic (Oxfordian-Kimmeridgian). ?Barbatacysta Courtinat 1989; Jurassic (Kimmeridgian-Oxfordian). Belodinium Cookson and Eisenack 1960b; ?Jurassic (?Tithonian). Callaiosphaeridium Davey and Williams 1966b; Cretaceous (Senonian).
?Chytroeisphaeridia (Sarjeant, 1962a) Downie and Sarjeant 1965; Jurassic (Oxfordian).
?Cometodinium Deflandre and Courteville 1939; Cretaceous (Turonian). ?Compositosphaeridium Dodekova 1974; Jurassic (Oxfordian).
?Coronifera Cookson and Eisenack 1958; Cretaceous (Albian). ?Corradinisphaeridium Masure 1986; Cretaceous (Senonian). ?Diphasiosphaera Duxbury 1980; Cretaceous (Barremian). ?Discorsia Duxbury 1977; Cretaceous (Barremian). ?Dissiliodinium Drugg 1978; Jurassic (Kimmeridgian). ?Emslandia Gerlach 1961; Mid Miocene. ?Escharisphaeridia Erkmen and Sarjeant 1980; Jurassic (Callovian). ?Fibrocysta Stover and Evitt 1978; Early Eocene. ?Filisphaera Bujak 1984; Late Miocene-Early Pleistocene.
?Foucheria Monteil 1992a; Cretaceous (Valanginian) Furzidinium Stancliffe 1991; Jurassic (Oxfordian) ?Galeacysta Corradini and Biffi 1988; Miocene (Messinian). Gelatia Bujak 1984; Late Eocene-Late Oligocene. Glossodinium Ioannides et al. 1977; Jurassic (Kimmeridgian). ?Gongylodinium Fenton et al. 1980; Jurassic (Bajocian-Bathonian). ?Gordiacysta Miles 1990; Cretaceous (Albian). ?Habibacysta Head et al. 1989b; Late Miocene-Early Pliocene. ?Helbydinium Snape 1992; Jurassic (Tithonian) Hemiplacophora Cookson and Eisenack 1965a; Late Eocene. ?Hemisphaeridium Bujak in Bujak et al. 1980b; Late Jurassic. ?Histiophora Klement 1960; Late Jurassic. Hurunuia Wilson 1984a; Jurassic (Tithonian). ?Hystrichodinium Deflandre 1935; Cretaceous (Senonian).
?Hystrichosphaerina Alberti 1961; Cretaceous (Barremian-Turonian). ?Invertocysta Edwards 1984; Mid-Late Miocene. Isthmocystis Duxbury 1979a; Cretaceous (Valanginian). ?Kaiwaradinium Wilson 1978; Jurassic (Tithonian). ?Kiokansium Stover and Evitt 1978; Cretaceous (Albian-Cenomanian).
?Komewuia Cookson and Eisenack 1960b; Jurassic (?Tithonian).
?Lagenorhytis Duxbury 1979b; Cretaceous (Valanginian).
?Lanternosphaeridium Morgenroth 1966a; Early Eocene. ?Liesbergia Berger 1986; Jurassic (Oxfordian). ?Melitasphaeridium Harland and Hill 1979; Pliocene. Mosaicodinium Dodekova 1990; Jurassic (Bathonian). ?Nelchinopsis Wiggins 1972; Cretaceous (Neocomian).
?Neodiacrodium Fedorova-Shakhmundes 1976; Cretaceous (Valanginian). ?Nexosispinum Davey 1979b; Cretaceous (Aptian-Albian). ?Pervosphaeridium Yun Hyesu 1981; Late Cretaceous. ?Pilosidinium Courtinat 1989; Jurassic (Kimmeridgian). ?Polystephanephorus Sarjeant 1961b; Jurassic (Oxfordian). ?Protoellipsodinium Davey and Verdier 1971; Cretaceous (Albian). ?Pulchrasphaera Schiøler et al. 1997; Cretaceous (Maastrichtian). ?Pyxidinopsis Habib 1975; Cretaceous (Berriasian-Hauterivian). ?Saturnodinium Brinkhuis et al. 1992; Late Oligocene-Early Miocene. ?Scriniodinium Klement 1957; Jurassic (Oxfordian). ?Sentusidinium Sarjeant and Stover 1978; Jurassic (Callovian).
?Sepispinula Islam 1993; Cretaceous (Albian-Cenomanian). Sirmiodiniopsis Drugg 1978; Jurassic (Callovian).
?Stephodinium Deflandre 1936a; Cretaceous (Senonian). ?Surculosphaeridium Davey et al. 1966; Jurassic (Oxfordian). Taeniophora Klement 1960; Jurassic (Oxfordian). ?Trichodinium Eisenack and Cookson 1960; Cretaceous (Aptian). ?Vexillocysta Harding 1990b ex Harding in Williams et al. 1998; Cretaceous (Barremian). ?Xenicodinium Klement 1960; Jurassic (Kimmeridgian).
?Yalkalpodinium Morgan 1980; Cretaceous (Neocomian-Albian).
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