Classification of Hofmann and Jackson 1991

Ph. Cyanobacteria Stanier 1973
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G. †Brachypleganon Lo 1980
G. †Polybessurus Green et al. 1987
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†Polybessurus bipartitus Green et al. 1987
G. †Talakania Kolosov 1983
G. †Uluksanella Hofmann and Jackson 1991
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†Uluksanella baffinensis Hofmann and Jackson 1991
Unr. †Acritarcha Evitt 1963 [acritarchs]
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G. †Eupoikilofusa Cramer 1970
G. †Siphonophycus Schopf 1968
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†Siphonophycus kestron Schopf 1968
G. †Eomycetopsis Schopf 1968
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†Eomycetopsis robusta Schopf 1968
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Invalid names: Eomycetopsis filiformis Schopf 1968 [synonym]
G. †Rhicnonema Hofmann 1976
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†Rhicnonema antiquum Hofmann 1976
G. †Eosynechococcus Hofmann 1976
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†Eosynechococcus grandis Hofmann 1976
†Eosynechococcus medius Hofmann 1976
G. †Sphaerophycus Schopf 1968
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†Sphaerophycus medium Horodyski and Donaldson 1980
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Invalid names: Sphaerophycus wilsonii Knoll 1982 [synonym]
†Sphaerophycus parvum Schopf 1968
G. †Myxococcoides Schopf 1968
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†Myxococcoides grandis Horodyski and Donaldson 1980
†Myxococcoides minor Schopf 1968
G. †Tenuofilum Schopf 1968
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†Tenuofilum septatum Schopf 1968
G. †Gloeodiniopsis Schopf 1968
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†Gloeodiniopsis magna Nyberg and Schopf 1984
†Gloeodiniopsis mikros Knoll 1982
G. †Phanerosphaerops Schopf and Blacic 1971
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†Phanerosphaerops capitaneus Schopf and Blacic 1971
G. †Archaeoellipsoides Horodyski and Donaldson 1980
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G. †Eogloeocapsa Golovenok and Belova 1984
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†Eogloeocapsa bella Golovenok and Belova 1984
G. †Tetraphycus Oehler 1978
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