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

Dec 3, 2025 · As part of a collaboration between WoRMS and Edaphobase, the World Database of Nematodes (Nemys) has been integrated as the official taxonomic backbone for Nematoda …

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 …

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.

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

Oct 24, 2024 · Discover 35 fascinating facts about worms, from their vital ecological roles to surprising behaviors, and uncover their hidden world beneath our feet.

Of the thirty-odd phyla in the animal kingdom, at least a third are generally referred to as worms. If you include the more exotic, lesser-known phyla described as “worm-like,” it’s well over half. …

Worms vary in size from microscopic to over 1 metre (3.3ft) in length for marine polychaete worms (bristle worms); [1]6.7 metres (22ft) for the African giant earthworm, Microchaetus rappi; [2] …

Jul 22, 2025 · Intestinal worms can appear in human poop. Parasites like pinworms, hookworms, and tapeworms can cause symptoms like stomach pain, vomiting, and diarrhea.

There are approximately 2,700 different kinds of earthworms. Worms live where there is food, moisture, oxygen and a favorable temperature. If they don’t have these things, they go …