This name is a synonym of Mammillaria pottsii Scheer ex Salm-Dyck.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50148720) with original publication details: Allg. Gartenzeitung 21: 94 1853.
This name was in version 1 of The Plant List, record tro-50148720, and has not been changed.