1. Plantae
  2. Tracheophyta
  3. Magnoliopsida
  4. Caryophyllales
  5. Cactaceae
  6. Mammillaria
  7. Mammillaria spinosissima

Mammillaria spinosissima 'Bella'

Appears to be a trade name of no prominent standing.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Caryophyllanae
order      Caryophyllales
family       Cactaceae
genus        Mammillaria Haw.
species         Mammillaria spinosissima Lem.