This name is a synonym of Ancistrorhynchus clandestinus (Lindl.) Schltr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 114198) with original publication details: Bull. Soc. Roy. Bot. Belgique Compt.-Rend. 38: 65 1899.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:641614-1.
This name was in version 1 of The Plant List, record kew-114198, and has not been changed.