The Greek word "antimimos" means "imitating", and refers to the similarity some species have to the different genus Argyroderma.
The species of this varied genus typically grow as dense cushions or mats. Otherwise, Antimima species are very similar in their superficial looks to the related genus Ruschia, with 3-sided waxy succulent leaves, and pink or white flowers.
It contains 104 accepted species, that were split off from the related genus Ruschia. They include: