ANIMAL LIFE OF THE DEEP SEA BOTTOM 



195 



Fishes Neopterygii 



Sponges Porifera 



Barnacles Cirripedia 



Black Corals Aritipatharia ... 



Tusk-shells Scaphopoda 



Brittle-stars Ophiuroidea . . . 



Ascidians Ascidia 



Sc\ phomedusa; Scyphozoa . . . 



Roundworms Nematoda 



Sea-spiders Pycnogonida 



Sea-pens Alcyonaria 



Coral-like animals 



Zoantharia 



Ostracoda Ostracoda 



Sea-mats Bryozoa 



