He T.G. (1984). Discovery of Lapworthella bella assemblage from Lower Cambrian Meishucun Stage in Niuniuzhai, Leibo County, Sichuan province. Professional Papers of Stratigraphy and Paleontology. 13:23-34 (In Chinese with English abstract).
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He T.G.
1984
Discovery of Lapworthella bella assemblage from Lower Cambrian Meishucun Stage in Niuniuzhai, Leibo County, Sichuan province
Professional Papers of Stratigraphy and Paleontology