All living organisms can be placed in one of six different animal kingdomclassifications. The characteristics of each animal kingdom are: 1. Animal – A kingdom of complex multi-celle… See more

After animal kingdom, animal species usually fall into one of seven different phylum or phyla: 1. Porifera – Marine animals more commonly known as sponges and found i… See more

The phylum group is then divided into even smaller groups, known as animal classes. The Chordata phylum splits into these seven animal classes: 1. Agnatha (jaw-less fish) – Prim… See more

Each class is divided into small groups again, known as orders. There is no universally accepted breakdown for the class Mammalia. Some outline as many as 26 differen… See more