This name is a synonym of Parodia subterranea F. Ritter.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50323567) with original publication details: Letzeb. Cacteefren 2(1): 2 1981.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:980803-1.
This name was in version 1 of The Plant List, record tro-50323567, and has not been changed.