Class Chondrichthyes consists of the cartilaginous fish, like sharks and rays. Cartilage is the material that we have in our nose and ears instead of bones. For animals in class Chondrichthyes, their entire skeleton is made up of this flexible material. Only their teeth and sometimes the vertebrae have calcium.
This category has the following 9 subcategories, out of 9 total.
Pages in category "Chondrichthyes"
The following 4 pages are in this category, out of 4 total.