Phylum Priapulida Delage & Hérouard, 1897 - priapulids
Class †Palaeoscolecida Conway Morris & Robison, 1986
Family †Cricocosmiidae Hou, Bergström, Wang, Feng & Chen, 1999
1 Genus †Houscolex Zhang & Pratt, 1996
2 Genus †Cricocosmia Hou & Sun, 1988
3 Genus †Tabelliscolex Han, X. Zhang, Z. Zhang & Shu, 2003