Thunnus albacares (Continued) 



PSEUDOCYCNIDAE 



Pseudocycnus appendiculatus Heller 1865. Pacific. Gill filaments. 

 Shiino (1963a); Massachusetts, Mediterranean, Aden, Spain, etc. 

 Wilson (1932); Indian Ocean. Gill cavity. Lewis et al. (1969); 

 Angola. Nunes-Ruivo (1956). 



DIGENEA 



DIDYMOZOIDAE 



Didymozoon longicolle Ishii 1935. Gulf of Mexico. Skin. 



Nikolaeva (1968b); Hawaii. Yamaguti (1971). 

 Didymocystis coatesi Nigrelli 1939. Gulf of Mexico. Nikolaeva 

 (1968b) [=D. acanthocybii - Yamaguti (1971)]. 



Didymocystis wedli Ariola 1902. Gulf of Mexico. Nikolaeva (1968b). 

 Didymocystis sp. Central Pacific. Gills. Iverson and Hoven (1958) 

 Platocystis sp. Gulf of Mexico. Connective tissues. Nikolaeva 



(1968b). 

 Koellikeria globosa ? Ishii 1935. Gulf of Guinea. Caecal mass. 



Bane (1969); Gulf of Mexico. Intestine. Nikolaeva (1968b). 

 Koellikeria abdominal is Yamaguti 1970. Hawaii. Body cavity. 



Yamaguti (1970). 

 Koellikeria bi partita (Wed! 1855) Ishii 1935. Gulf of Mexico. 



Nikolaeva (1968b) as Wedli a bi partita . 

 Koellikeria orientalis (Yamaguti 1934) Ishii 1935. Gulf of Mexico. 



Gills. Nikolaeva (1968b) as Wedlia o. 

 Atalostrophion sardae MacCallum 1915. Gulf of Mexico. Connective 



tissue. Nikolaeva (1968b). 



G0RG0DERIDAE 



Phyllodistomum thunni Baudin-Laurencin 1971. Gulf of Guinea. 

 Kidneys, ureters, urinary bladder. Baudin-Laurencin (1971a). 



HEMIURIDAE 



Brachyphallus parvus (Manter 1947) Skrjabin and Guschanskaja 



1955. Gulf of Mexico. Stomach. Nikolaeva (1968b). 

 Gonocerca sp. Gulf of Mexico. Nikolaeva (1968b). 



HIRUDINELLIDAE 



Hirudinella ventricosa (Pallas 1774) Baird 1853. Atlantic 

 Ocean. Stomach. Watertor (1973); India. Raju (1962); 

 Central Pacific. Iverson and Hoven (1958) all as jH. marina . 



Hirudinella fusca (Bosc 1802) Manter 1926. Gulf of Mexico. 



Stomach. Nikolaeva (1968b). 

 Hirudinella spinulosa Yamaguti 1938. Gulf of Mexico. Stomach. 



Nikolaeva (1968b) as Uroproctinella s. 

 Uroproctinella attenuata Hafeesullah 1971. Arabian Sea. 



Stomach. Hafeezullah (1971). 



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