A skeleton on the outside of an animal's body, often acting like as a protective barrier. Arthropods, such as crustaceans and insects have an exoskeleton.
- ^ France, Peter, Guerrero, Angeles Gavira; et al. (2006). Ocean. Dorling Kindersley Inc. ISBN 9780756636920.
||This article is part of Project Glossary, a All Birds project that aims to write comprehensive articles on each term related to animals.
||This article is part of Project Invertebrate Anatomy, a All Birds project that aims to write comprehensive articles on each anatomical term related to invertebrates.