ASPIDOGASTRIDS FROM NORTHEASTERN GULF OF MEXICO RIVER DRAINAGES.
D000818:Animals; D001826:Body Fluids; D060851:Gulf of America; D008800:Mexico; D008974:Mollusca; D012106:Research; D045483:Rivers; D014200:Trematoda; D014481:United States
EXPERIMENTAL LAB STUDY; MOLLUSCA; TREMATODA; UNITED STATES