Noun | 1. | ![]() animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals annelid, annelid worm, segmented worm - worms with cylindrical bodies segmented both internally and externally Archiannelida, class Archiannelida - a class of Annelida class Oligochaeta, Oligochaeta - earthworms class Polychaeta, Polychaeta - marine annelid worms class Hirudinea, Hirudinea - hermaphroditic aquatic or terrestrial or parasitic annelids phylum - (biology) the major taxonomic group of animals and plants; contains classes |