Cyathocotylidae Mühling, 1898
Mesostephanus odhneri (Travassos, 1924)
Hosts: Bittiolum alternatum (Say) (Gastropoda: Cerithiidae), Potamides sp. (Gastropoda: Potamididae). Cercarian group: strigeid.
Habitat: marine.
Definitive host group: birds.
Locality: Rio de Janeiro, RJ.
References: Lutz (1933, 1935b), Dubois (1970).