What makes the genus *Antidorcas* evolutionarily distinct regarding its living species count?

Answer

It is a monotypic genus, containing the sole living member

The springbok is the only living member of the genus *Antidorcas*. This status suggests a specialized evolutionary trajectory.

What makes the genus *Antidorcas* evolutionarily distinct regarding its living species count?
mammalclassificationmarsupialSpringbok