Please enable JavaScript.

Coggle requires JavaScript to display documents.

Chordata (Body (bilateral, triploblastic, coelomate, organ system level,…

- - - - Exclusively marine
      - Notochord only in larval tail
      - Examples
        
        Ascidia
        
        Salpa
        
        Doliolum
    - - Exclusively marine
      - Notochord extends from head to tail region and is persistent throughout life
      - Examples
        
        Brachiostomata (Amphioxus or Lancelet)
  - - - dorsal hollow nerve cord
      - presence of notochord
      - paired pharyngeal gill slits
      - ventral muscular heart
        
        2,3 or 4 chambers
      - Kidneys for excretion and osmoregulation
      - Paired appendages with may be fins or limbs
    - - Agnatha (lacks jaw)
        
        Class
        
        Cyclostomata
      - Gnathostomata (bears jaw)
        
        Superclass
        
        Pisces (bears fins)
        
        Class
        
        Chondrichthyes
        
        Osteichthyes
        
        Tetrapoda (bears limbs)
        
        Class
        
        Amphibia
        
        Reptilia
        
        Aves
        
        Mammalia