Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 26, Animal Evolution and Diversity - Assessment - 26.2 Chordate Evolution and Diversity - Understand Key Concepts/Think Critically - Page 776: 15


The two groups of fishes are the cartilaginous fishes belonging to the class Chondrichthyes and the bony fishes belonging to the class Osteichthyes.

Work Step by Step

Class Chondrichthyes includes the sharks, skates, and rays. Class Osteichthyes are the familiar bony fishes.
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