Project 4864: J. Ma, P. D. Taylor, F. Xia, R. Zhan, G. Sevastopulo. 2015. The oldest known bryozoan:Prophyllodictya(Cryptostomata) from the lower Tremadocian (Lower Ordovician) of Liujiachang, south-western Hubei, central China. Palaeontology. 58 (5):925-934.
This project has 4 specimens.