Nereis is a genus of polychaete worms in the family Nereididae. It comprises many species, most of which are marine. Nereis possess setae and parapodia for locomotion and gas exchange. …

Sabella spallanzanii is a species of marine polychaete worms in the family Sabellidae. Common names include the Mediterranean fanworm, the feather duster worm, the European fan worm …

Bipalium is a genus of large predatory land planarians. They are often loosely called " hammerhead worms " or " broadhead planarians " because of the distinctive shape of their …

The polychaete worms, definitions and keys to the orders, families and genera. <em>Natural History Museum of Los Angeles County: Los Angeles, CA (USA), Science Series.</em> 28:1 …

Anisakiasis is caused by the ingestion of larvae of several species of ascaridoid nematodes (roundworms), which are sometimes called “herringworm”, “codworm”, or “sealworm”, in …

The adult worms are 5–6 cm long and whip-shaped; the cranial slender portion embeds within the epithelial cells of the large intestine, especially the cecum, with the thickened caudal third lying …

Toxocariasis in humans is caused by infection with larvae of Toxocara spp., which are common ascarid roundworms of mammals. Confirmed zoonotic species include the dog roundworm T. …

Strongyloides stercoralis is a zoonotic parasite of dogs and cats with adult parasites that reside in the small intestine. Clinical signs of disease (strongyloidosis) are most commonly observed in …

Gastroscopy is the most efficient means of diagnosis, and immature worms are often found in the vomitus of puppies or kittens. The eggs are difficult to find in feces because they do not readily …

The genus Glycera is a group of polychaetes (bristle worms) commonly known as bloodworms. They are typically found on the bottom of shallow marine waters, and some species (e.g. …