Family Gonyaulacaceae Subfamily uncertain

Family Gonyaulacaceae Subfamily uncertain

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). (=Hexasphaera Clarke and Verdier 1967; illegitimate, nomenclatural junior synonym, having same type) ?Chytroeisphaeridia ( Sarjeant, 1962a) Downie and Sarjeant 1965; Jurassic (Oxfordian). (=Tapeinosphaeridium Ioannides et al. 1977; taxonomic junior synonym according to Davey, 1979d, p.211) ?Cometodinium Deflandre and Courteville 1939; Cretaceous (Turonian). ?Compositosphaeridium Dodekova 1974; Jurassic (Oxfordian). (=Compositosphaeridium Erkmen and Sarjeant 1980; name illegitimate; taxonomic junior synonym - see Williams et al., 1998, p.132) ?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. (Muraticysta Head et al. 1989b; taxonomic junior synonym according to Head 1994b, p.234) ?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). (=Heliodinium Alberti 1961; taxonomic junior synonym according to Clarke and Verdier 1967, p.37-38) ?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). (=Bacchidinium Davey 1979b; taxonomic junior synonym according to Below, 1982c, p.13-15) ?Komewuia Cookson and Eisenack 1960b; Jurassic (?Tithonian). (=Pontiadinium Stover and Evitt 1978; taxonomic junior synonym according to Chen, 1982, p.36) ?Lagenorhytis Duxbury 1979b; Cretaceous (Valanginian). (=Speetonia Duxbury 1977; illegitimate homonym -Lagenorhytis is substitute) ?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). (=Alaskadinium Duxbury 1977; taxonomic junior synonym according to Stover and Williams, 1987, p.11) ?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). (=Tenua Davey 1978; illegitimate homonym; illegitimate nomenclatural junior synonym, having same type) ?Sepispinula Islam 1993; Cretaceous (Albian-Cenomanian). Sirmiodiniopsis Drugg 1978; Jurassic (Callovian). (=Arkellidinium Beju 1979; taxonomic junior synonym according to Beju in Lentin and Williams, 1981, p.21) ?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). (=Stomodinium He Chengquan 1984a; taxonomic junior synonym according to Chen et al., 1988, p.31) ?Yalkalpodinium Morgan 1980; Cretaceous (Neocomian-Albian). Other names: (?Headinium Zevenboom and Santarelli in Zevenboom 1995; name not validly published)

Family Gonyaulacaceae