AaronP this is not an opinion. You are the one asserting opinion as fact with nothing to back it up.
Blood Pythong Genus: Python, Species: Curtus
Royal Python (aka Ball Python) Genus: Python, Species: Regius
All humans are Genus: Homo, Species: sapiens
All dogs are Genus: Canis, Species: Lupus
I understand that you want to classify animals according to how much they look like other animals but this is simply wrong.