Classification of Yu et al. 1974

G. †Cheilotomona Strand 1928
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Cheilotomona pentagonum Yu et al. 1974
G. †Coelocentrus von Zittel 1882
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Coelocentrus applanatus Kutassy 1937
G. †Discotoma
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Discotoma planoconvexa Yu et al. 1974
G. †Eucycloscala Cossmann 1895
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Eucycloscala binodosa Münster 1841
G. †Fossariopsis Laube 1868
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Fossariopsis binodosa Münster 1841
G. †Schizogonium Kokn 1889
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Schizogonium pentagonum Yu et al. 1974
G. †Worthenia de Koninck 1883
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Worthenia gigas Koken 1898
Worthenia marmolatae Kittl 1894
Worthenia multicarinata Assmann 1924
Worthenia qingyanensis Yu et al. 1974
Worthenia supraornata Kittl 1894
G. †Zygites Kittl 1891
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Zygites qingyanensis Yu et al. 1974
Zygites rotundinodosus Yu et al. 1974
G. †Coelostylina Kittl 1894
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Kittliconcha obesa Yu et al. 1974
G. †Trypanostylus Cossmann 1895
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Trypanostylus haueri Giebel 1856
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Subg. †Zygopleura (Allocosmia) Cossmann 1897
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Zygopleura granietzensis Ahlburg 1906
G. †Riselloidea Cossmann 1909
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Riselloidea guizhouensis Yu et al. 1974
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