Search form. Thomas Jefferson. Thomas Jefferson, a spokesman for democracy, was an American Founding Father, the principal author of the Declaration of Independence (1776), and the third President of the United States (1801â1809).
  All dogs, regardless of breed, share the same scientific name: Canus lupus familiarus.   Canis lupus familiaris is the genus, species, and subspecies of domestic do â¦ gs. All dogs, regardless of breed, share the same scientific name: Canus lupus familiarus.   Canis lupus familiaris is the genus, species, and subspecies of domestic do â¦ gs.
Genetic studies reaffirm that the gray wolf is the ancestor of the domestic dog. A number of other Canis lupus subspecies have been identified, though the actual number of subspecies is still open to discussion.