Taxonomy of the animals (Hutchins et al., 2003)

The taxonomy of the animals presented by Hutchins "et al." in 2003 in "Grzimek's Animal Life Encyclopedia" is a system of classification which covers all the metazoans, from phyla to orders (or families, for Hexapoda and Pisces, or species, for Amphibia, Reptilia, Aves and Mammalia).