The head of the marine ragworm, Platynereis dumerilii. These polychaetes have two sets of eyes, one facing forward and another facing up.
The closeup of the head of the marine ragworm, Platynereis dumerilii. These polychaetes have two sets of eyes, one facing forward and another facing up.
A split crown feather duster worm (Anamobaea) from Belize
