> Thus for example, among cats, genus > _Felis_ encompasses species as diverse as house cats and mountain lions, Sorry, I have to say it again. Pumas deserve their own genus, being too far removed from _Felis_ to belong to it. Even so, _Felis_ remains hopelessly paraphyletic.. OK, so it's _Puma concolor_ folks. Got it? DARREN NAISH dwn194@soton.ac.uk