Taxonomy of the Kingdom Animalia

"Nothing to be done really about animals. Anything you do looks foolish. The answer isn't in us. It's almost as if we're put here on earth to show how silly they aren't"
-Russell Hoban


In order to understand the digestion of a domestic dog, it will be helpful to understand the Taxonomy of the Kingdom Animalia (of Animals).

The table below will give you a basic insight of how and why the domestic dog is scientifically classified.


Taxonomy Table for Canis Lupus Familiaris; the Domestic Dog


  • Kingdom Animalia (of Animals) - These are organisms that eat each other; heterotrophs

    • Phylum Chordata (Chordates) - Animlas with a notocord (a rod type support, dorsal nerve cord)

      • Sub-phylum Vertebrata (Vertebrates) - Animals with a skull and true back bone

        • Class Mammals (formaly Mammalia) - Animals that breath air whose females possess mammary glands, both males and females have sweat glands, hair (and/or fur) and have three middle ear bones used for hearing. Females bare living young.

          • Oder Carnivora - This Order is the most diverse in size of any Order of Mammalia. Animals range in size from just 25 grams (Mustela nivalis) to 5,000 kilograms (Mirounga leonina). These animals have teeth, claws and binocular vision which have evolved for catching and eating other animals (prey).

            • Family Canidae - This Family includes such animals as; wolves, foxes, coyotes and the domestic dog. This is a biological family of carnivorous and omnivorous mammals. It is divided into "wolf-like" and "dog-like".

              • Genus Canis - This Genus contains 7 to 10 extant species with many that are now extinct.

                • Species Canis Lupus - The Grey Wolf is closely related to the domestic dog and is the Apex Predator (top of the food chain with no predators of their own).

                  • Sub-species Canis Lupus familiaris - The domestic dog, a close relative of the Grey Wolf.