* Phylum: Chordata (animals with a notochord, a flexible rod that supports the body)
* Class: Mammalia (animals with fur or hair, mammary glands, and live birth)
* Order: Carnivora (meat-eating mammals)
* Family: Canidae (dogs, wolves, foxes, etc.)
* Genus: *Canis*
* Species: *Canis lupus familiaris* (domestic dog)
Note: Golden Retriever is not a scientific classification but rather a breed within the species *Canis lupus familiaris*.