This name is a synonym of Parodia gracilis F. Ritter.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50138507) with original publication details: Kaktus (Odense) 10(2): 42 1975.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:183416-2.
This name was in version 1 of The Plant List, record tro-50138507, and has not been changed.