He T., Pei F. & Fu G. (1984). Some small shelly fossils from the Lower Cambrian Xinji Formation in Fangcheng County, Henan Province. Acta Palaeontologica Sinica. 23(4):350-357. In Chinese, with English abstract.
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He T., Pei F. & Fu G.
1984
Some small shelly fossils from the Lower Cambrian Xinji Formation in Fangcheng County, Henan Province