Protodrilus spongioides Pierantoni

Protodrilus spongioides Pierantoni, 1903 Ecology: FW, CP?

Distribution: PA

Habitat: unknown

Additional references: Pierantoni (1908), Gerlach (1978), Nordheim (1989) Comment: Only known from an aquarium with running fresh water and Petromyzon at Naples, Italy; possibly commensal.