This name is a synonym of Masdevallia caudata Lindl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 335270) with original publication details: Man. Orchid. Pl. 5: 29 1889.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:153967-2.
This name was in version 1 of The Plant List, record kew-335270.