Aspect: Horn bell-shaped array of radioles, but with a deep u-shaped distorsion, spreading from a thin and often concealed tube. Feathers are usually banded white over purple or brown. CAUTION: not to be confused with the Horseshoe Worm, which is a phoronida - a totally different phylum. This is a Star Horseshoe Worm. Population: Not abundant. Notable feature: - Environment: Usually hidden under ledges or in recesses. Behaviour: Immediately retracts if appoached too closely or too fast.
