Dong, X.-P. Donoghue, P. C. J. Cunningham, J. A. Liu, J.-B. Cheng, H. 2005 The anatomy, affinity, and phylogenetic significance of <em>Markuelia</em> Evolution & Development 7 468-482 Gastrotricha Acanthopriapulus Ancalagon Cricocosmia Fieldia Halicryptus Louisella Maccabeus Maotianshania Meiopriapulus Ottoia Palaeoscolex Priapulites Priapulopsis Priapulus Scolecofurca Selkirkia Tubiluchus Kinorhyncha Loricifera Markuelia Nematomorpha Nematoda Aysheaia Peripatus Kerygmachela Palaeopriapulites Sicyophorus Xiaoheiqingella Yunnanpriapulus Corynetis Osteology Maximum Parsimony Based on reanalysis of the original matrix. Dong_etal_2005a