Dinophilus taeniatus

Dinophilus taeniatus is a small annelid worm which lives in tidal pools. It is 1.5 – 2.5 mm long and about 150 μm wide, orange in colour, with two distinct dark pigmented eyes on its prostomium. The anterior part of prostomium has four large and many small bristles and sensory cilia. The trunk consist of 11 rings where the first nine rings are distinctly separate. The ventral trunk is densely covered with cilia. It is widely distributed around the UK coast, from the Irish Sea through to the Barents Sea. It has also been reported in 2021 in the salt marshes on the coast of New England, USA.