They are divided into 6 groups:
* Eulipotyphla (Hedgehogs, Moles and Shrews)
* Chiroptera (Bats)
* Artiodactyla (Even toed ungulates)
* Perissodactyla (Odd toed ungulates)
* Pholidota (Pangolins)
* Carnivora (Dog, Cats, Bears, Seals, Mustelids)
These mammals evolved on Laurasia
They have no anatomical features that unite the group