Fish
Vertebrates
Animals
Existence
Contemporary Jawed Fish
(Taxonomic Rank: Group)
All fish species excluding ancestral jawless genera, extinct ancestral jawed fish, hagfish, and lampreys.
Jawed fish including Neopterygii, Batoidea, Selachii, Holocephali, Chondrostei, Cladistia, Actinopterygian, Aquatic Sarcopterygians, Placodermi, Acanthodii, Prehistoric Elasmobranchs, and  Ancestral Chondrichthyans. Holocephali Selachii Cladistia Chondrostei Batoidea Holostei Osteoglossomorpha Zeiformes Dipnoi Elopomorpha Coelacanthiformes Euteleosteomorpha Percomorphacea Beryciformes Stephanoberyciformes Placodermi Acanthodii Otomorpha Ancestral Sharks & Rays Ancestral Sarcopterygians Ancestral Actinopterygian Prehistoric Neopterygians