Table of Contents

Classification Intro


What is a Cetacean?

Odonticeti

Mysticeti

Archaeoceti

Cenozoic Era Time Scale

Evolution


In the beginning...

Terrestrial Ancestor

Ancient Cetaceans

Divergent Evolution - Embryology

Adaptation


Adaptation Intro

Body Design

Respiration

Echolocation

Fresh to Saltwater Environment

Temperature Conditions

Glossary References