Classification of Sugiyama 1992

G. Cenosphaera Ehrenberg 1854
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†Cenosphaera andoi Sugiyama 1992
G. †Entactinia Foreman 1963
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†Entactinia morii Sugiyama 1992
G. †Parentactinia Dumitrica 1978
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G. †Plafkerium Pessagno et al. 1979
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†Plafkerium antiquum Sugiyama 1992
G. †Polyentactinia Foreman 1963
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†Polyentactinia biacus Sugiyama 1992
†Polyentactinia crux Sugiyama 1992
G. †Pseudostylosphaera Kozur and Mostler 1981
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†Pseudostylosphaera kozuri Sugiyama 1992
G. †Tiborella Dumitrica et al. 1980
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†Tiborella agria Sugiyama 1992
G. †Cryptostephanidium Dumitrica 1978
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G. †Hozmadia Dumitrica et al. 1980
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†Hozmadia ozawai Sugiyama 1992
G. †Poulpus De Wever 1979
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†Poulpus nishimurae Sugiyama 1992
G. †Tetrarchiplagia Dumitrica 1982
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†Tetrarchiplagia simplex Sugiyama 1992
G. †Parasepsagon Dumitrica et al. 1980
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†Parasepsagon leptaleus Sugiyama 1992
G. †Zamolxis Dumitrica 1982
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†Zamolxis dumitricai Sugiyama 1992
G. †Triassobipedis Kozur 1984
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†Triassobipedis aetoides Sugiyama 1992
G. †Hinedorcus Dumitrica et al. 1980
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†Hinedorcus holdsworthi Sugiyama 1992
G. †Pegoxystris Sugiyama 1992
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†Pegoxystris mizutanii Sugiyama 1992
G. †Pentabelus Sugiyama 1992
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†Pentabelus furutanii Sugiyama 1992