Sebastes alutus (Continued) 



Lecithaster gibbosus (Rudolphi 1802) Luhe 1901. Northeastern 



Pacific. Sekerak and Arai (1977). 

 Derogenes varicus (Muller 1784) Looss 1901. Northeastern Pacific. 



Stomach. Sekerak and Arai (1973). 

 Tubulovesicula lindbergi (Layman 1930) Yamaguti 1934. Northeastern 



Pacific. Stomach. Sekerak and Arai (1973). 



LEPOCREADIIDAE 



Opechona alaskensis Ward and Fill ingham 1934. Northeastern Pacific. 



Pyloric caeca, intestine. Sekerak and Arai (1973). 

 Opechona occidental is Montgomery 1957. Northeastern Pacific. 



Intestine. Sekerak and Arai (1977). 

 Neolepidapedon sebastisci (Yamaguti 1938) Manter 1954. Northeastern 



Pacific. Sekerak and Arai (1977). 

 Lepidapedon gadi (Yamaguti 1934) Acena 1947. Bering Sea. Mamaev (1965) 



0PEC0ELIDAE 



Neohelicometra sebastis Sekerak and Arai 1974. Northeastern Pacific. 



Pyloric caeca, intestine. Sekerak and Arai (1974). 

 Podocotyle sp. Immature. British Columbia. Arai (1969b). 

 Hel icometrina sp. Northeastern Pacific. Pyloric caeca, intestine. 



Sekerak and Arai (1973). 



Podocotyle atomon (Rudolphi 1802) Odhner 1905. Bering Sea. Mamaev 



(1965). 

 Podocotyle reflexa (Creplin 1825) Odhner 1905. Bering Sea. Mamaev 



(1965). 



SANGUINICOLIDAE 



Psettarium sebastodqrum Holmes 1971. Northeast Pacific. Heart. 

 Sekerak and Arai (1973). 



SYNC0ELIDAE 



Syncoelium filiferum (Leuckart in Sars 1885) Odhner 1911. 

 Northeastern Pacific. Sekerak and Arai (1977). 



Z00G0NIDAE 



Steganoderma formosum Stafford 1904. Bering Sea. Mamaev (1965). 



M0N0GENEA 



ACANTH0C0TYLIDAE 



Pseudacanthocotyla williamsi (Price 1938) Yamaguti 1963. 

 Northeastern Pacific. Gills. Sekerak and Arai (1973). 



CAPSALIDAE 



Trochopus trituba (Pratt and Aldrich 1953) Bravo-Hollis 1958. Oregon. 

 Pratt and Aldrich (1953) as Megalocotyle t . 



305 



