User:Tr3ndyBEAR/fish


 * fish (Vertebrata): sister clade to the Tunicata (tunicates), together forming the Olfactores. It is split into 3 living superclasses: jawless fish (Agnatha), cartilaginous fish (Chondrichthyes), and bony fish (Osteichthyes); as well as 2 extinct superclasses: armored fish (Placodermi) and spiny sharks (Acanthodii).
 * tunicates (Tunicata):
 * jawless fish (Agnatha):
 * cartilaginous fish (Chondrichthyes):
 * bony fish (Osteichthyes):