Before revision: Tridactyly Tridactylous Allosaurus arm Tridactyly (from Greek "three") is the condition of having three digits on a limb, as in the rhinoceros and ancestors of the horse such as Protohippus and Hipparion.
After revision: , Yoda,Tridactyly Tridactylous Allosaurus arm Tridactyly (from Greek "three") is the condition of having three digits on a limb, as in the rhinoceros and ancestors of the horse such as Protohippus and Hipparion.