The scaly ramenta which occur in abundance on the leaf-stalk bases of fossil Cycads constitute another fern-character surviving in Mesozoic Cycadales.
Tongue scaly, feebly nicked in front.
Though generally nearly smooth, or but slightly scaly, the surface of some hairs is imbricated; that is to say, shows projecting scale-like processes, as in some bats, while in the twotoed sloth (Choloepus) they are longitudinally grooved or fluted.
The scaly fish include members of the carp and perch kind.
There is also a scaly ant-eater and various species of pangolins, of arboreal habit, which live on ants.