Dogs, wolves, and dingoes have sometimes been classified as separate species.
[6] In 1758, the
Swedish botanist and zoologist Carl Linnaeus assigned the genus name Canis (which is the Latin word
for "dog")[13] to the domestic dog, the wolf, and the golden jackal in his book, Systema Naturae. He
classified the domestic dog as Canis familiaris and, on the next page, classified the grey wolf as Canis
lupus.[2] Linnaeus considered the dog to be a separate species from the wolf because of its upturning
tail (cauda recurvata in Latin term), which is not found in any other canid.[14] In the 2005 edition
of Mammal Species of the World, mammalogist W. Christopher Wozencraft listed the wolf as a