The Dicrocoelium (Distoma) Lanceolatum is about 8 to 10 mm. long, 2 to 2.5 mm. wide. The anterior end is the more pointed. Has two suckers, quite widely separated, and in between them is the genital pore.

The eggs are oval, about 0.04 to 0.05 mm. long.

The snout has a spread-out membrane like an umbrella.

Is frequently found in combination with the F. hepaticum. Intermediate host unknown.