38 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 25 



Family Oweniidae 



Myriochele gracilis Hartman, 1955. Southern California, shelf and slope 



depths. 

 Myriochele pygidialis Hartman, 1960a, p. 149. Southern California, in 



outer deep basins. 

 Myriowcnia calif orniensis Hartman, 1960a, p. 151. Shelf, slope and 



basin depths of southern California. 

 Owenia fusiformis collaris Hartman, 1955. Southern California, in shelf 



depths, sandy to gravelly sediments. 



Family Sabellariidae 



All members of this family in California are represented in intertidal 

 to shallow benthos, chiefly on rocky coasts. 

 Idanthyrsus ornamentatus Chamberlin, 1919. See Hartman, 1944c, p. 



337. Northern California to Alaska. 

 Phragmatopoma calif ornica (Fewkes) 1889. See Hartman, 1944c, p. 



269. Southern California and western Mexico. 

 Sabellaria cementarium Moore, 1906. See Berkeley and Berkeley, 1952a, 



p. 109. Western Canada to southern California, chiefly below 



intertidal in the southern extent of its range. 

 Sabellaria gracilis Hartman, 1944. Southern California, shore to 25 fms, 



on under sides of stones. 

 Sabellaria nanella Chamberlin, 1919. San Francisco, California, rare. 

 Sabellaria spinulosa alcocki, sensu Berkeley and Berkeley, 1941, p. 51. 



Central and southern California, in enclosed bays. 



Family Pectinariidae 



Amphictene auricoma (Muller) 1776. See Berkeley and Berkeley, 1952a, 



p. 105. Alaska south to western Mexico; western Europe; not 



specifically recorded from California. 

 Cistenides brevicoma (Johnson) 1901. See Berkeley and Berkeley, 1952a, 



p. 106. Alaska south to southern California, in coarse sandy 



shallow bottoms. 

 Pectinaria calif orniensis Hartman, 1941. See Plate 31. See Hartman, 



1944c, p. 268. California, in shelf to slope depths, silty sands. 

 Pectinaria calif orniensis newportensis Hartman, 1941. Newport Bay, 



California. Distinguished from the stem species by its longer, 



slenderer paleae. 



