Phylum Chordata. What Is A Chordate? 4 characteristics present at some stage of life 1.A dorsal, hollow nerve cord (called spinal cord in vertebrates)
Marine Vertebrates: Fishes (part 2). Fishes Phylum Chordata Subphylum Vertebrata 3 Classes: Class Agnatha (jawless fishes) Class Chondrichthyes.
Chapter 8 Marine Fishes. Classification of Fishes.
Marine Vertebrates: Fishes (part 2)
O S _ _ _ _ _ _ _ _ _ _ _ _ T E I C H T H Y E S. Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Superclass:Osteichthyes.
O S _ _ _ _ _ _ _ _ _ _ _ _ T E
