Digenetic Trematodes 



Family ACANTHOCOLPIDAE 



Stepbanostomum casum (Linton, 1910) McFarlane, 1934 



Synonyms : StepJianochasnius casum Linton, 1910 

 Lechradena cdentula Linton, 1910 

 Stephanostomum cdentula (Linton, 1910) Yamaguti, 1953 



Hosts : Sehastodes sp. B.C. McFarlane, 1934 



Ophiodon elongatus B.C. McFarlane, 1936 



Also reported from Mexico (Bravo-Hollis, 1956), Florida (Linton, 1910; 

 Manter, 1947), Japan (Yamaguti, 1934) and North Carolina (Manter, 1931). 



Morphology: This form was described and figured by McFarlane (1934, 1936) 

 and Manter, (1947). Nothing is known of the life history of this form. 



Stephanostomum tristephanum McFarlane, 1936 



Hosts : Ophiodon elongatus B.C. McFarlane, 1936 



Wash. McFarlane, 1936; 



Ching, 1960b 



This form has not been reported elsewhere. 



Family ACCACOELIIDAE 



Accacladocoelium macrocotyle (Diesing, 1858) Odhner, 1928 



Synonyms : Distoma macrocotyle Diesing, 1858 



Podocotyle macrocotyle (Diesing, 1858) Stossich, 1898 



Host: Mola mola Ore. *Pacific Ocean off Newport 



Other records from Massachusetts (Linton, 1913), Ireland, Scandinavia, 

 Mediterranean area, and North America according to Yamaguti (1958). Nothing 

 is known of the life history. 



Odhnerium calyptrocotyle (Monticelli, 1893) Yamaguti, 1934 



Synonyms : Distoma calyptrocotyle Monticelli, 1893 



Mneidodhneria calyptrocotyle (Monticelli, 1893) Dollfus, 1935 

 Accocoelium calyptrocotyle (Monticelli, 1893) Luhe, 1900 

 Orophocotyle calyptrocotyle (Monticelli, 1893) Looss, 1902 

 Distomum foliatum Linton, 1898 (Yamaguti, 1953) 

 Orophocotyle foliata (Linton, 1898) Looss, 1902 

 Mneiodhneria foliata (Linton, 1898) Dollfus, 1935 



Host: Mola mola B.C. Lloyd, 1938 



Additional hosts include Beroe ovata from Naples (Monticelli, 1893) and 

 Mola mola from Japan (Yamaguti, 1934) and New Zealand (Manter, 1954). 

 Nothing is known of the life cycle. 



Asterisks denote new (previously unpublished) reports of the parasite in the area, 



13 



