Subphylum Cephalochordata Haeckel 1866 (lancelet)
PaleoDB taxon number: 149948
Parent taxon: Chordata according to R. C. Brusca et al. 2016
Sister taxa: Craniata, Metaspriggina, Olfactores, Pikaia, Undichna, Vertebrata
Subtaxa: Leptocardii, Palaeobranchiostoma, Yunnanozoon
Ecology: