中國北部上寒武紀之三葉蟲化石
By: Sun Yuntao zhuan
Series: Zhongguo gu sheng wu zhi. Yi zhong -- di 7 hao : di 2 ce; Zhongguo gu sheng wu zhi -- di 7 hao : di 2 ce
Publisher: Zhongguo di zhi diao cha suo; Beiping yan jiu yuan di zhi ye jiu suo
Published: 1935
Place of publication: China
Language: chi
Other titles: Zhongguo bei bu shang han wu ji zhi san ye chong hua shi