Qian, Y. Y.; Zhou, Z. M. (1984). Middle and early Upper Cambrian trilobites from Kunshan, Jiangsu, with reference to their distribution in the lower Yangtze region. Acta Palaeontologica Sinica. 23: 170-184.
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Qian, Y. Y.; Zhou, Z. M.
1984
Middle and early Upper Cambrian trilobites from Kunshan, Jiangsu, with reference to their distribution in the lower Yangtze region