Animal Taxonomy Chart

In biological classification, taxonomic rank is the relative level of a group of organisms (a taxon) in a taxonomic hierarchy. Examples of taxonomic ranks are species, genus, family, order, class, phylum, kingdom, domain, etc. Living organism classifications are commonly made on the basis of necessity and are often shallow. Anglo-Saxon terminology, like worm and fish, has been used to refer to any crawling creature, such as a snake, earthworm, intestinal parasite, or dragon, as well as any swimming or aquatic creature. Although the terms fish, crayfish, and starfish are all used interchangeably, there are more anatomical differences between a shellfish and a starfish than there are between a bony fish and a man.