Before revision: Commercial snail farming in the Western world is typically done with Cornu aspersum (morphotypically divided into C. a. aspersa and C. a. maxima), formerly known as Helix aspersa.
After revision: Commercial snail farming in the Western world typically utilizes snails in the family Helicidae, particularly Cornu aspersum (morphotypically divided into C. a. aspersa and C. a. maxima), formerly known as Helix aspersa.