Phylum Chordata Haeckel 1874
Synonym: Vetulicolia Shu 2001
Parent taxon: Deuterostomia according to R. C. Brusca et al. 2016
See also Edgecombe et al. 2011, McMenamin 2019, Mussini et al. 2024, Nielsen 2012, Sepkoski 2002, Shoshani et al. 1989, Zhang and Hua 2005 and Zrzavy et al. 1998
Sister taxa: Ambulacraria, Saccorhytida, Xenacoelomorpha
Subtaxa: Banffozoa Cephalochordata Metaspriggina Olfactores Pikaia Pikaidae Shenzianyuloma Tunicata Undichna Vertebrata Vetulicolida Yunnanozoon