Family
Nereididae (Ragworms and allies)
Platynereis bicanaliculata. Photo: (c) Hakai Institute, some rights reserved (CC BY-NC)
Nereididae (formerly spelled Nereidae) are a family of polychaete worms. It contains about 500 – mostly marine – species grouped into 42 genera. They may be commonly called ragworms or clam worms.