CONTENTS 



Introduction 1 



Order of Discussion 2 



Previous Studies 2 



Materials and Methods 5 



Macrofauna Samples 5 



Sampling Gear 6 



Sample Processing 6 



Data Treatment 8 



Geographic Areas 8 



Bottom Sediments 9 



Bathymetry 10 



Temperature 10 



Sediment Organic Carbon 11 



Description of the Region 11 



Topography 11 



Bottom Sediments 13 



Sediment Organic Carbon 14 



Hydrography 14 



Zoogeography 16 



Fauna] Composition 19 



Total Macrobenthos — All Taxonomic Groups Combined 28 



Geographic Distribution 28 



Bathymetric Distribution 40 



Relation to Bottom Sediments 47 



Relation to Water Temperature 51 



Relation to Sediment Organic Carbon 53 



Taxonomic Groups 55 



Porifera 56 



Coelenterata 71 



Hydrozoa 71 



Anthozoa 75 



Alcyonaria 75 



Zoantharia 79 



Platyhelminth.es 81 



Turbellaria 81 



Nemertea 85 



Aschelminthes 91 



Nematoda 91 



Annelida 94 



Pogonophora 100 



Sipunculida 103 



Echiura 108 



Priapulida 108 



