Ophiopsila annulosa is a species of brittle stars belonging to the family Ophiocomidae.

It occurs in the Mediterranean Sea and adjacent Atlantic Ocean north to western Scotland.

[3] annulosus = Latin: ringed brendan smith rules A large brittle star with long banded arms which lives partially buried in gravel seabeds.

The arm spines are flattened and arranged in groups of 11-12.

The tentacle scales are longer than those of Ophiopsila aranea and exceptionally large, supporting the tube feet when the animal is suspension feeding.