Classification of 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