Is a worm an animal?

There are also mollusk 'worms', or worms from the Cnidaria phylum (jellyfish). As for insects, many larvae have the body shape of a worm. Since the term is solely based on body features, I think that any animal that looks like a worm, IS a worm, in the language of the general public. read more

In taxonomy, "worm" refers to an obsolete grouping, Vermes, used by Carl Linnaeus and Jean-Baptiste Lamarck for all non-arthropod invertebrate animals, now seen to be polyphyletic. read more

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