PRINCIPLES OF ANIMAL TAXONOMY portrays the scientific quest regarding nomenclature, identification, interrelationship of different groups of animals along with different aspects of taxonomy from Linnaeus to present day Aspects related with biodiversity, information retrieval, collection and preservation of animals along with recent trends in animal taxonomy and biosystematics which culminates the description of one of the most interesting phenomenon of zoology. Each chapter contains logically organized, easy to understand contents that provides the reader important aspects of animal taxonomy. It is a complete manual for all biologists especially for those interested in understanding the basic concepts of taxonomy and conservation and management of biodiversity. It would be useful for undergraduate and post graduate students of zoology as well as for those aspiring for competitive examination.