Carcharhinus obscurus (Continued) 



Crossobothrium anqustum (Linton 1889) Linton 1901. 

 Massachusetts. Linton (1924). 



PR0S0B0THRIIDAE 



Platybothrium cervinum Linton 1891. Massachusetts. Spiral 

 valve. Linton (1891 ). 



PTEROBOTHRIIDAE 



Pterobothrium heteracanthum Diesinq 1850. Larva. Massachusetts. 

 Cysts in stomach. Linton (1924) as Synbothrium filicolle . 



TENTACULARIIDAE 



Nybelinia bisulcata (Linton 1889) Do! If us 1929. Massachusetts. 



Intestines. Linton (1889) as Rhynchobothrium b.i sulcatum . 

 Nybelinia robusta (Linton 1891) Dollfus 1930. Massachusetts. 



Dollfus (1942). 

 Tentacularia coryphaenae Bosc 1302. Postlarva and adult. 



Massachusetts. Dollfus (1942). 



TRYPANORHYNCHA 



Tetrarhynchus bicolor (Bartels 1832) Wagener 1854. 



Massachusetts. Linton (1924). f- Tentacularia coryphaenae - 

 Dollfus (1942).] f Species incertae sedis - Yamaguti (1961).] 



Rhynchobothrium tumidulum Linton 1905. Massachusetts. Spiral 

 valve. Linton (1924). 



C0PEP0DA 



DICHELESTHIIDAE 



Anthosoma crassum (Abildgaard 1794) Gould 1841. Wilson 

 (1932). 



EUDACTYLINIDAE 



Nemesis robusta (van Beneden 1851) Brian 1906. Massachusetts. 



Wilson (1932); Gulf of Mexico. Gills. Bere (1936) as N. pallida 

 Nemesis spinulosus Cresse.y 1970. West Florida. Gills. 



Cressey (1970). 

 N emesis atlantica Wilson 1922. Massachusetts. Gills. 



Wilson (1924). 

 Eudactylina spinifera Wilson 1932. Gulf of Mexico. Gills. 



Bere (1936). 



EURYPH0RIDAE 



Paralebion elonqatus Wilson 1911. Gulf of Mexico. Mouth. 

 Bere (1936). 



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