Kingdom: Animalia Phylum: Annelida Class: Clitellata Subclass: Oligochaeta Order: Haplotaxida Suborder: Lumbricina Families: - Acanthodrilidae -Criodrilidae -Eudrilidae -Glossoscolecidae -Lumbricidae -Megascolecidae In each of those families there are many species of worm. For example, here's the rest of the tree for the Common Earthworm. In North America, it is called Nightcrawler or Vitalis. In Canada, it is sometimes called the Dew Worm. Family: Lumbricidae Genus: Lumbricus Species: L. terrestris (Lumbricus terrestris) Classified by Linnaeus in 1758.
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