Squalus acanthias (Continued) 

 PHOREIOBOTHRIIDAE 



Trilocularia acanthiaevul garis (Olsson 1867) Olsson 1869. France. 

 Euzet (1956); immature. Iceland. Stomach, spiral valve. 

 Manger (1972); New Zealand. Alexander (1963); Newfoundland. 

 Threlfall (1969) as T. gracilis . 



PHYLLOBOTHRIIDAE 



Phyllobothrium gracile Wed! 1855. Sea of Japan. Zhukov (1960a). 

 Phyllobothrium thridax Van Beneden 1849. Sea of Japan. 



Zhukov (1960ai: 

 Phyllobothrium squali Yamaguti 1952. Japan. Yamaguti (1952); 



France. Euzet (1956) as Crossobothrium s. [ =Crossobothrium s. - 



Williams (1968)]. 

 Phyllobothrium lactuca Van Beneden 1850. France. Joyeux and 



Baer (1936). 

 Phyllobothrj urn sp. Newfoundland. Threlfall (1969). 

 Scyphophyll ideum giganteum (Van Beneden 1858) Woodland 1927. 



Newfoundland. Threlfall (1969). 

 Rhodobothrium pulvinatum Linton 1889. Massachusetts. Yamaguti 



(1959b). 

 Monorygma sp. Massachusetts. Linton (1924). 

 Anthobothrium pulvinatum Linton 1891. Massachusetts. Lint6n (1924) 



PR0S0B0THRIIDAE 



Prosobothrium armigerum Cohn 1902. Atlantic. Cohn (1902); France. 

 Joyeux and Baer (1936) . 



PTYCHOBOTHRIIDAE 



Clestobothrium crassiceps (Rudolphi 1808) Llihe 1899. 

 Massachusetts. "Introduced with Food". Linton (1924). 



TENTACULARIIDAE 



Nybelinia bisulcata (Linton 1889) Dollfusl929. Massachusetts. 

 Stomach. Dollfus (1942). 



TRYPANORHYNCHA 



Tetrarhynchus tetrabothrium Van Beneden 1849. Central California. 

 Pintner (1930]^ 



C0PEP0DA 

 CALIGIDAE 



* Caligus curtus Mtiller 1785. Scandanavia. Parker et al . (1968), 

 Caligus elongatus Nordmann 1832. New England. External surface. 

 Wilson (1905b); Greenland, North Sea. Wilson (1932) both as 

 C. rapax . 



40 



