Classification of Lu and Zhu 2001
Cl. †Trilobita Walch 1771 [trilobite]
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Or. †Ptychopariida Swinnerton 1915
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Fm. †Crepicephalidae Kobayashi 1935
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Fm. †Proasaphiscidae Zhang 1963
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G. †Honanaspis Chang 1959
G. †Zhongtiaoshanaspis Zhang et al. 1980
G. †Ptyctolorenzella Zhang et al. 1980
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†Ptyctolorenzella xuzhuangensis Lu and Zhu 2001