Characteristics & Appearances
Post-anal tail,dorsal hollow nerve cord, and pharyngeal slits
All chordatans are aquatic. As shown above , you may notice that the Chordatan phylum lists all the species of fish. Image #1 is an example of a box fish. Image #2 is an example of an x-Ray tetran. Image #3 is an example of a laborus merula. These are all chordatans.