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, Nelson et al. 2016, Nielsen 2012, Nielsen 2012, Shoshani et al. 1989, Shu et al. 1999, Van Der Laan 2019, Zhang 2011 and Zrzavy et al. 1998
Sister taxa: Cephalochordata, Metaspriggina, Myllokunmingiidae, Olfactores, Pikaidae, Tunicata, Undichna, Yunnanozoon
Subtaxa: Acrania Agnatha Ammopus Anaspidomorphi Apedolepis Artenolepis Cephalaspidomorpha Coluber arcuatus Conodontomorpha Craniota Cyclostomata Cyclostomi Eosaurus Eotetrapoda Galeaspida Gnathostomata Herpetichthyes Hoplichnus Hypichthyes Lepidotosaurus Mannodon Myllokunmingiiformes Myxinomorphi Myzichthyes Ophis Osteostraci Osteostracomorphii Ostracophori Pachycardia Palaeoxyris Petromyzontomorphi Pituriaspida Protetrapoda Pteraspidomorphi Saurornia Thelodontomorphi Thoracophis Tidaeus Toxichnus Zamponiopteron
Ecology: