The document presents a classification of the animal kingdom. It divides animals into two groups: non-chordates and chordates. Non-chordates are further divided into 9 phyla: protozoa, porifera, coelenterata, platyhelminthes, aschelminthes, annelida, arthropoda, mollusca, and echinodermata. Chordates are divided into 5 classes: pisces, amphibia, reptilia, aves, and mammalia. Examples are provided for most groups. The classification system and examples of animals in the major groups are summarized.