of generally marine annelid worms, commonly called bristle worms or polychaetes (/ˈpɒlɪˌkiːts/). Each body segment has a pair of fleshy protrusions called...

for locomotion. Most textbooks still use the traditional division into polychaetes (almost all marine), oligochaetes (which include earthworms) and leech-like...

Lanassa is a genus of annelids belonging to the family Terebellidae. The genus has almost cosmopolitan distribution. Species: Lanassa benthaliana McIntosh...

centimeters (9.81 ft) in length, making it the longest known member of the polychaete class. Despite these great lengths, the worms are slim, with the body...

Sternaspis is a genus of annelids belonging to the family Sternaspidae. The genus has cosmopolitan distribution. Species: Sternaspis affinis Stimpson,...

Sabella is a genus of marine polychaete worm. Members of this genus are filter feeders and there are about ninety species. They live in tubes made of mud...

Nicon is a genus of polychaetes belonging to the family Nereididae. The species of this genus are found in Southern Hemisphere. Species: Nicon abyssalis...

Fabricia is a genus of polychaetes belonging to the family Fabriciidae. The genus has almost cosmopolitan distribution. Species: Fabricia acuseta Banse...

Eurythoe is a genus of polychaetes belonging to the family Amphinomidae. The genus has almost cosmopolitan distribution. The following species are recognised:...

Euphrosine is a genus of polychaetes belonging to the family Euphrosinidae. The genus lives in marine benthic environments and has cosmopolitan distribution...