Phylum Priapulida Delage & Hérouard, 1897 - priapulids Class †Palaeoscolecida Conway Morris & Robison, 1986 Family †Cricocosmiidae Hou, Bergström, Wang, Feng & Chen, 1999 Genus †Tabelliscolex Han, X. Zhang, Z. Zhang & Shu, 2003