From all other members of the family the marsupial, or banded, ant-eater (Myrmecobius fasciatus) differs by the presence of more than seven pairs of cheek-teeth in each jaw, as well as by the exceedingly long and protrusile tongue.
From the number of its cheek-teeth, the banded ant-eater has been regarded as related to some of the primitive Jurassic mammals; but this view is disputed by Mr Bensley, who regards this multiplicity of teeth as a degenerate feature.
- The Marsupial or Banded Ant-eater (Myrmecobius fasciatus).
The crystals are feebly doubly refracting, and in polarized light exhibit a banded structure parallel to the cube faces.
The banded duiker (C. doriae) from West Africa is golden brown with black transverse bands on the back and loins.