Opistomum pallidum
Opistomum pallidum is a species of rhabdocoel flatworm in the family Typhloplanidae. Description The animal is 2 to 4.5 mm long. It possesses no eyes. The pharynx is caudally oriented and situated near the posterior end of the body. Taxonomy The species was described by Eduard Oscar Schmidt in 1848. Distribution and habitat It is known from Europe and Virginia (USA). It inhabits freshwater habitats, but is absent from streams and rivers. Ecology and behavior The species is found in Autumn, Winter and Spring. It is known to feed on naidid oligochaetes. References Taxa named by Eduard Oscar Schmidt Rhabdocoela Animals described in 1848