Bristle Worms (Polychaeta)

Spirobranchus giganteus, commonly known as the Christmas tree worm, is a polychaete worm belonging to the family Serpulidae building calcareous tubes.

Palola viridis (or Eunice viridis), commonly known as the palolo worm, Samoan palolo worm, balolo, wawo, or nyale, is a Polychaeta species from the waters of some of the Pacific islands, including Samoa, Tonga, Fiji, Vanuatu, the Solomon Islands, Papua New Guinea, and the islands of the maritime Southeast Asia (which

Riftia is a monotypic genus of polychaete annelid worms in the Siboglinidae family, which contains the sole species Riftia pachyptila, commonly known as the giant tubeworm or giant beardworm.

Sabellidae, or feather duster worms, are a family of marine polychaete tube worms characterized by protruding feathery branchiae.

Polychaeta () is a paraphyletic class of generally marine annelid worms, commonly called bristle worms or polychaetes ().

The blow lugworm (Arenicola marina), also known as sandworm, is a large species of marine worm.

Sabellida is an order of annelid worms formerly in the class Polychaeta.

Alitta virens (common names include sandworm, sea worm, and king ragworm; older scientific names, including Nereis virens, are still frequently used) is an annelid worm that burrows in wet sand and mud.