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Oligochaeta US English

A class of annelid worms that includes the earthworms. They have simple setae projecting from each segment and a small head lacking sensory appendages

Oligochaeta in earthworm US English

A burrowing annelid worm that lives in the soil. Earthworms play an important role in aerating and draining the soil and in burying organic matter

Oligochaeta in oligochaete US English

An annelid worm of the class Oligochaeta, such as an earthworm

Oligochaeta in tubifex US English

A small red annelid worm that lives in fresh water, partly buried in the mud