There are roughly 75 mammal species in the Succulent Karoo hotspot, of which two are endemic: De Winton's golden mole (Cryptochloris wintoni, VU), and the Namaqua dune mole rat (Bathyergus janetta).    From Wordnik.com.  [Biological diversity in the Succulent Karoo] Reference

The Namaqua dune molerat (Bathyergus janetta LR) is also near-endemic in the Namib Desert, as are two bat species; the Namib long-eared bat (Laephotis namibensis EN) and the Angola wing-gland bat (Myotis seabrai VU).    From Wordnik.com.  [Namib desert] Reference

Anomalurus derbianus, scaly-tailed flying squirrel; (h) Trichosurus vulpecula, common brushtail possum; (i) Bathyergus suillus, Cape dune mole-rat; (j) Atherurus africanus, brush-tailed porcupine; (k) Castor canadensis, beaver; (l) Microtus pennsylvanicus, meadow vole, shown with a partially uncoiled large bowel.    From Wordnik.com.  [Evolution of the appendix? - The Panda's Thumb] Reference

Other strict endemics include the Cape spiny mouse (Acomys subspinosus), the Cape dune molerat (Bathyergus suillis), and Duthie’s golden mole (Chlorotelpa duthiae).    From Wordnik.com.  [Lowland fynbos and renosterveld] Reference

The other species considered endemic include Namaqua dune molerat (Bathyergus janetta), river rabbit (Bunolagus monticularis), Cape golden mole (Chrysochloris asiatica), Grant’s golden mole (Eremitapia granti), and Brant’s whistling rat (Parotomys brantsii).    From Wordnik.com.  [Succulent Karoo] Reference