What anatomical feature does the specific epithet *marsupialis* refer to?

Answer

A fold of skin along the back that can be inflated.

The specific epithet *marsupialis* points to a distinctive feature: a fold of skin along the back that can be lifted or inflated, concealing a pad of white fur.

What anatomical feature does the specific epithet *marsupialis* refer to?
animalclassificationSpringbok