Orthosplanchnus arcticus Odhner, 1905 

 Host: Erignathus barbatus - bearded seal. 

 Locations: Gall bladder, bile ducts, pancre- 

 atic ducts. 

 Locality: Alaska. 

 Recorded by: Johnson et al. (1966). 



Orthosplanchnus fraterculus Odhner, 1905 



Hosts: Enhydra lutris- sea otter; Erignathus 

 barbatus - bearded seal. 



Locations: Gall bladder, bile ducts, pancre- 

 atic ducts. 



Locality: Alaska. 



Recorded by: Rausch and Locker (1951); 

 Rausch (1953); Kenyon (1969). 



Phocitrema fusiforme Goto and Ozaki, 1930 

 Hosts: Callorhinus ursinus - northern fur 



seal; Enhydra lutris - sea otter; Phoca vitu- 



lina richardi - harbour seal. 

 Location: Intestine. 

 Locality: Alaska. 

 Recorded by: Rausch and Locker (1951); 



Rausch (1953); Neiland (1961); Keyes 



(1965). 



Stictodora ubelakeri Dailey, 1969 



Host: Zalophus calif ornianus - California sea 



lion. 

 Location: Intestine. 

 Locality: California. 

 Recorded by: Dailey (1969) ; Dailey and Hill 



(1970). 



Zalophotrema hepaticum Stunkard and Alvey, 

 1929 



Host: Zalophus calif ornianus - California sea 

 lion. 



Location: Liver. 



Localities: California and Baja California 

 (wild and captive animals); New York 

 Aquarium; Washington, D.C. (zoo); Balti- 

 more Zoo. 



Recorded by: Stunkard and Alvey (1929, 

 1930); Price (1932); Schroeder and Wege- 

 forth (1935); Fleischman and Squire 

 (1970). 



Remarks: Of several species of pinnipeds ex- 

 amined from Baja California and from the 

 San Diego, Calif., Zoo, Schroeder and Wege- 

 forth (1935) did not specify in which they 

 found Zalophotrema hepaticum. 



Pricetrema zalophi (Price, 1932) Ciurea, 1933 

 Syn.: Apophallus zalophi Price, 1932. 



Hosts: Callorhinus ursinus - northern fur 

 seal; Enhydra lutris - sea otter; Eumetopias 

 jubatus - Steller sea lion; Zalophus calif orni- 

 anus - California sea lion. 



Location: Intestine. 



Localities: Alaska; California; Washington, 

 D.C. (zoo). 



Recorded by: Price (1932); Rausch and 

 Locker (1951); Rausch (1953); Neiland 

 (1961); Keyes (1965); Dailey and Hill 

 (1970). 



Remarks: Ciurea (1933) created a new genus, 

 Pricetrema, for Apophallus zalophi Price, 

 1932, described from the California sea lion. 



Stephanoprora denticidata (Rudolphi, 1802) 



Odhner, 1910 

 Host: Zalophus calif ornianus - California sea 



lion. 

 Location: Intestine. 

 Locality: Washington, D.C. (zoo). 

 Recorded by: Price (1932). 



Cestoda 



Abothrium gadi van Beneden, 1871 



Host: Eumetopias jubatus - Steller sea lion. 



Location: Intestine. 



Locality: British Columbia. 



Recorded by: Margolis (1956). 



Remarks: This is a typical parasite of marine 

 fishes of the family Gadidae. It must be re- 

 garded as a pseudoparasite of the sea lion, 

 its presence in this mammal indicating re- 

 cent ingestion of a gadid. 



Diphyllobothrium spp. 



Hosts: Balaenoptera borealis - sei whale; 



Erignathus barbatus - bearded seal. 

 Location: Intestine. 

 Localities: Alaska; California. 

 Recorded by: Kenyon (1962); Rice (1963). 



Diphyllobothrium alascense Rausch and Wil- 

 liamson, 1958 

 Host: Phoca vitulina richardi - harbour seal. 

 Location: Intestine. 



