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

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 …

3 days ago · 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 in …

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. …

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

May 27, 2024 · Worms are one of the largest groups of invasive species in the world. With over one million species, the bilateral symmetry of their elongated bodies makes them easy to …

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.

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.

Most people are familiar with earthworms found in garden soil. Although many different kinds of animals are commonly lumped together as “worms,” there are several distinct phyla that fit the …