Opinions from J. M. Keating 1992
- 'Alisporites grandis belongs to Alisporites' according to Dettmann 1963
- 'Alterbidinium belongs to Peridiniaceae' according to Lentin and Williams 1985
- 'Alterbidinium minus belongs to Alterbidinium' according to Lentin and Williams 1985
- 'Amphidiadema belongs to Myzozoa'
- 'Australisphaera verrucosa belongs to Australisphaera' according to Davey 1978
- 'Biretisporites spectabilis belongs to Biretisporites' according to Dettmann 1963
- 'Callaiosphaeridium asymmetricum belongs to Callaiosphaeridium' according to Davey and Williams 1966
- 'Canningia scabrosa belongs to Canningia' according to Cookson and Eisenack 1970
- 'Canninginopsis colliveri belongs to Canninginopsis' according to Backhouse 1988
- 'Chatangiella multispinosa belongs to Chatangiella' according to Lentin and Williams 1976
- 'Chatangiella serratula belongs to Chatangiella' according to Lentin and Williams 1976
- 'Chatangiella tripartita belongs to Chatangiella' according to Lentin and Williams 1976
- 'Cleistosphaeridium armatum belongs to Cleistosphaeridium' according to Davey 1969
- 'Cribroperidinium cooksoniae belongs to Cribroperidinium' according to Norvick 1976
- 'Cyatheacidites archangelskii belongs to Cyatheacidites' according to Dettmann 1986
- 'Cyclonephelium compactum belongs to Cyclonephelium' according to Deflandre and Cookson 1955
- 'Dinogymnium euclaense belongs to Dinogymnium' according to Cookson and Eisenack 1970
- 'Dinogymnium westralium belongs to Dinogymnium' according to Evitt 1967
- 'Eucladinium madurense belongs to Eucladinium' according to Stover and Evitt 1978
- 'Eucladinium spinosissimum belongs to Eucladinium' according to Stover and Evitt 1978
- 'Exochosphaeridium phragmites belongs to Exochosphaeridium' according to Davey 1966
- 'Foveogleicheniidites confossus belongs to Foveogleicheniidites' according to Burger 1976
- 'Heslertonia striata belongs to Heslertonia' according to Norvick 1976
- 'Heterosphaeridium conjunctum belongs to Heterosphaeridium' according to Cookson and Eisenack 1988
- 'Heterosphaeridium dificile belongs to Heterosphaeridium' according to Ioannides 1986
- 'Hexagonifera glabra belongs to Hexagonifera' according to Cookson and Eisenack 1961
- 'Hystrichosphaeridium paracostatum belongs to Hystrichosphaeridium' according to Cookson and Eisenack 1974
- 'Isabelidinium belfastense belongs to Isabelidinium' according to Lentin and Williams 1976
- 'Isabelidinium thomasii belongs to Isabelidinium' according to Lentin and Williams 1976
- 'Klukisporites scaberis belongs to Klukisporites' according to Dettmann 1963
- 'Laevigatosporites belongs to Pteridophyta' according to Wilson and Webster 1946
- 'Lygistepollenites balmei belongs to Lygistepollenites' according to Stover and Evans 1973
- 'Maduradinum pentagonum belongs to Maduradinum' according to Cookson and Eisenack 1970
- 'Manumiella lata belongs to Manumiella' according to Bujak and Davies 1983
- 'Nelsoniella semireticulata belongs to Nelsoniella' according to Cookson and Eisenack 1960
- 'Neoraistrickia truncata belongs to Neoraistrickia' according to PotoniƩ 1956
- 'Palaeocystodinium rhomboides belongs to Palaeocystodinium' according to Lentin and Williams 1973
- 'Palaeotetradinium silicorum belongs to Palaeotetradinium' according to Deflandre 1936
- 'Peridiniaceae belongs to Peridiniales' according to Ehrenberg 1831
- 'Prolixosphaeridium inequiornatum belongs to Prolixosphaeridium' according to Stover and Helby 1987
- 'Prolixosphaeridium parvispinum belongs to Prolixosphaeridium' according to Davey 1969
- 'Pterodinium cingulatum belongs to Pterodinium' according to Below 1981
- 'Spinidinium echinoideum belongs to Spinidinium' according to Lentin and Williams 1976
- 'Spinidinium lanterna belongs to Spinidinium' according to Cookson and Eisenack 1970
- 'Subtilisphaera ventriosa belongs to Subtilisphaera' according to Jain and Millopied 1973
- 'Tenua hystrix belongs to Tenua' according to Eisenack 1958
- 'Triporoletes simplex belongs to Triporoletes' according to Playford 1971
- 'Tunyosphaeridium isocalamus belongs to Tunyosphaeridium' according to Davey and Williams 1966
- 'Xenascus australis belongs to Xenascus' according to Cookson and Eisenack 1960