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

6 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.

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 …

Apr 8, 2026 · 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.

Jan 19, 2026 · Explore 50 Types of Worms with detailed identification, pictures, and fascinating facts. Learn about worms’ habitats, diets, and roles in ecosystems.

Mar 18, 2024 · Tapeworm, hookworm, pinworm, and other types of worms affect the body in different ways. A person may notice worms in stool. Types of intestinal worms include tapeworm, hookworm, …

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

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. …

Mar 14, 2026 · Worms fall into three main biological groups: flatworms, roundworms, and segmented worms. Within those groups, you’ll find everything from microscopic soil organisms less than a …