This name is a synonym of Parodia maasii (Heese) A. Berger.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 5103203) with original publication details: Cact. Succ. J. (Los Angeles) 33: 108, f. 61, 62 1961.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:183513-2.
This name was in version 1 of The Plant List, record tro-5103203.