Synonym: Craniata Linnaeus 1758 [objective synonym]
Full reference: J. -B. Lamarck. 1801. Système des Animaux sans Vertèbres, ou Tableau général des classes, des ordres et des genres de ces animaux. 8:1-432
Parent taxon: Chordata according to M. Richter et al. 2017
See also Brusca et al. 2016, Dineley and Metcalf 1999, Donoghue and Smith 2001, Edgecombe et al. 2011, Haeckel 1866, Heimberg et al. 2010, Nielsen 2012, Nielsen 2012, Shoshani et al. 1989, Shu et al. 1999, Zhang 2011 and Zrzavy et al. 1998
Sister taxa: Cephalochordata, Metaspriggina, Olfactores, Pikaia, Undichna
Subtaxa: Agnatha Ammopus Anaspida Apedolepis Artenolepis Auchenaspis Cephalaspidomorpha Coluber arcuatus Conodonta Conodontomorpha Eosaurus Galeaspida Gnathostomata Herpetichthyes Hoplichnus Hypichthyes Larnovaspis Lepidotosaurus Mannodon Myxinomorphi Myzichthyes Osteostracomorphii Ostracophori Pachycardia Palaeaspis Petromyzontomorphi Pituriaspida Plagiostomi Pteraspidomorphi Saurornia Thelodontida Tidaeus Toxichnus Trihamus
Ecology: