Biology
Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 35, Problem 2TY
Summary Introduction

Introduction: Cyclostomes are the group of jawless fishes having epidermal scales acting as teeth. They have a round mouth and are placed in the taxon called agnatha alongside Ostracoderms which are extinct fishes. These cyclostomes provide links for the evolution of teeth, vertebrae, and jaws in the vertebrates.

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