Please come across below posting on dog breeds different species.
dog breeds different species picture set
Many breeds originate from a small amount of animals, which leads to mating in kinship. The effect is several hereditary (genetic) diseases which are common in some breeds, for example, hip dysplasia (specifically in German shepherds), epilepsy, ataxia, oculoskeletal dysplasia, and others.
Source of your dog
The dogs can be divided into crossbreeds and breeds with a pedigree and a breed without a pedigree.
Non-canine breeds (hybrids): they’re the consequence of an unintended mating (crossing) of different breeds of dogs or canines whose resource is unknown.