Invertebrate animals commonly called "worms" include annelids, nematodes, flatworms, nemerteans, chaetognaths, priapulids, and insect larvae such as grubs and maggots.

5 days ago · WoRMS is continuously updating and strives to reflect current published scientific knowledge, without making new taxonomic decisions. The Data Management Team welcomes any …

Enter the world of worms and read about various types, from earthworms to blood flukes, and find out how to avoid their parasitic cousins.

Jan 7, 2026 · Worms are neither insects nor amphibians, but it is easy to understand why many confuse them as such. Worms have a slimy body and can often be seen in wet soils, just like amphibians. …

Worms belong to the ‘annelid’ family along with leeches. There are over 3,000 different types of worm, some are so tiny you would not be able to see them under a microscope.

Intestinal parasites include worms and one-celled organisms that rely on human hosts (their guts in particular) to hatch, grow and thrive. They spread when an unsuspecting host unknowingly ingests …

Dec 13, 2025 · worm, any of various unrelated invertebrate animals that typically have soft, slender, elongated bodies. Worms usually lack appendages; polychaete annelids are a conspicuous exception.

Mar 18, 2024 · A person may notice worms in stool. Types of intestinal worms include tapeworm, hookworm, liver fluke, threadworm, Ascaris, which causes ascariasis, and Trichinella, which causes …

Dec 11, 2008 · While there are more than 4,400 different types of worms, there are 2,700 different types or earthworm alone and more than 1,200 species of inch worm. Earthworms can be found in just …

Sep 3, 2024 · Find out about the types of worms that humans can get, how it happens, and what the symptoms and treatments are.