Hierarchy of taxonomy

The hierarchy means a series of different ranks and it is a system of arrangement for classification in which the different categories are placed in order to logical sequences. Taxonomy is the science of classification applied to living things and it involves their identification, naming and arrangement. The system of classification derived by Linnaeus (1707-1778), a Swedish botanist, has now been accepted universally as a means of references;

The kingdom is the highest taxonomic category. All the animals are included in animal kingdom. The lowest base category in the kingdom is the species. The species is a basic unit in taxonomy as well as in evolution. A species is a group of individual which are similar in morphological characteristics, reproductively isolated and genetically distinct from other group of individuals.

A genus comprised the related species having more features in common than in other closely related group of species. All the species of a genus have been evolved from a common ancestor.

A family includes related genera and in separated from other related families by important characteristic differences.

The next higher taxonomic category is the order which includes related families. The organisms of related order are kept under the next higher category named as class. The classes of animals having some features in common are included in a phylum.

Kingdom: Animal

Phylum: Chordata-(with back bone or spinal cord

Sub- phylum: vertebrata ( with boney spines )
Class:  Mammalia (Worm blooded, hairy animal, suckle milk for their babies)

Order: Ungulata- (Hoofed animal)