xo. 3 hartman: submarine canyons 79 



Megalomma spp. 

 Redondo en, north wall, in 107 m ( 1 jv) . 

 Tanner en, in 496 m (2), 644 m ( ? 1). 



Myxicola infundibulum (Renier) 1804 

 San Pedro sea valley, dredged in 100-300 m (1). 



Potamethus mucronatus (Moore) 1923 

 Santa Monica en, in 583 m ( ? 1 ) . 



Redondo en, fan, in 652 m (5, in tubes), 751 m (1, in cylindrical 

 tube 95 mm long, resembling a rubber hose). 



Potamethus sp. 

 Redondo en, slope, in 167 m ( ?6). 

 Catalina en, in 379 m (1 fragment) . 

 Tanner en, in 603 m (1 small, in silt covered tube). 



Pseudopotamilla sp. 

 Dume en, trawled in 80-100 m, roeky bottom ( 1 ) . 



sabellid, not identified 

 Redondo en, south wall, in 575 m (1, radioles lack filaments), 

 axis, 422 m (2), fan, 602 m (2), 706 m (2). 

 La Jolla en, in 976 m (1 jv) . 

 Santa Cruz en, in 218 m (2 jv) . 

 Catalina en, in 559 m (1 jv) . 

 San Clemente rift valley, in 1591 m (1), 1620 m (1). 



Family SERPULIDAE 



Apomatus sp. 

 Dume en, trawled in 80-100 m (1, in white cylindrical tube, its 

 base attached to a rock) . 



Protis pacifica Moore, 1923 



Santa Monica en, in 583 m (tubes). 



Redondo en, in 554 m (? 1, tube attached to mollusk shell). 



San Pedro sea valley, in 480 m (2), 461 m (2), 666 m (1). 



protulid 

 Redondo en, in 542 m (1), fan, 686 m (1), 706 m (several), 

 715 m (1 or more). 



