Larval Bucephalids (Trematoda: Digenea) parasitizing bivalve molluscs in the Galveston Bay area, Texas

Four species of larval bucephalids are reported from bivalve molluscs in the Galveston Bay area, Texas, and are designated as bucephalid cercaria A from Anadara brasiliana, B from Ischadium recurvum, C from Rangia cuneata, and D from Periploma margaritaceum. This report increases the number of bucephalid larvae reported from the Gulf of Mexico from 6 to 10. The metacercarial stage of B was obtained experimentally in fishes of the genus Fundulus.