Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Chondrichthyes Subclass: Holocephali Subclass: Elasmobranchii Superorder Batoidea Superorder.
17. Class Chondrichthyes Notes
Diversity of Fishes II. Phylum Chordata –Superclass Agnatha Class Pteraspidomorphi † Class Myxini (?) Class Cephalaspidomorphi –Superclass Gnathostomata.