Book

Hou, X.-G., Aldridge, R.J., Bergström, J., Siveter, D.J., Siveter, D.J. & Feng, X.-H. 2004. The Cambrian fossils of Chengjiang, China: the flowering of early animal life. Blackwell Publishing: [i]-xii, [1]-233.

Original Classification (root)

([unranked]) organisms