Abstract 7

Acknowledgements 9
Preface 11
Introduction 19

Classification 21
Gender of Chaetoceros 27
Terminology 33
Methods 39
Sub-genus Phaeoceros 45
Sub-genus Hyalochaete 59
Summary 107
Glossary of Chaetoceros Terminology 109
Appendix A: Diagnostic Characteristics of Sub-genera and
Sections of Chaetoceros 117
References 121
Flates 136

Index 193