Cercaria brachidontis Hopkins, 1954, previously known from Louisiana, is reported from its type host, the hooked mussel Ischdium recurvum (Raf.) collected in Galveston Bay, Texas. The metacercarial stage of C. brachidontis is reported from both I. recurvum
and the platform mussel Mytilopsis leucopheata (Conrad) and the parasite is referred to Proctoeces maculatus (Looss, 1901) Odhner, 1911. An adult fluke of the same species is reported from the hindgut of the sheepshead, Archosargus probatocephalus (Walbaum) (Osteichthyes,
Sparidae), collected from Galveston Bay.
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