Yuan, J. L.; Li, Y.; Mu, X. N.; Lin, J. P.; Zhu, X. J. (2012). Trilobite fauna of the Changhia Formation (Cambrian Series 3) from Shandong and adjacent area, North China. Palaeontologica Sinica, New Series B. 35: 1-758.
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Yuan, J. L.; Li, Y.; Mu, X. N.; Lin, J. P.; Zhu, X. J.
2012
Trilobite fauna of the Changhia Formation (Cambrian Series 3) from Shandong and adjacent area, North China