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THE POLYCHAETE WORMS DEFINITIONS AND KEYS TO THE ORDERS, FAMILIES AND GENERA r THE POLYCHAETE WORMS Definitions and Keys to the Orders, Families and Genera
By Kristian Fauchald
NATURAL HISTORY MUSEUM OF LOS ANGELES COUNTY In Conjunction With THE ALLAN HANCOCK FOUNDATION UNIVERSITY OF SOUTHERN CALIFORNIA
Science Series 28 February 3, 1977
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TABLE OF CONTENTS
PREFACE VII
ACKNOWLEDGMENTS I S
INTRODUCTION 1
CHARACTERS USED TO DEFINE HIGHER TAXA 2
CLASSIFICATION OF POLYCHAETES 7
ORDERS OF POLYCHAETES 9
KEY TO FAMILIES 9
ORDER ORBINIIDA 1 4
ORDER CTENODRILIDA 1 9
ORDER PSAMMODRILIDA 20
ORDER COSSURIDA 21
ORDER SPIONIDA