Classification of vertebrates

This animation approaches the theme of vertebrate classification via use of a series of nested boxes, with each member of any series defined by a group with common characteristics. It shows how a selection of vertebrates are classified via the nested boxes, and according to the current  classification of living things. The classification used in this animation is, nonetheless, simplified.

Each animal is represented in a particular series of nested boxes, with each box representing, from largest to smallest, a group to which that animal belongs.