This name is a synonym of Phaius ecalcaratus J.J.Sm..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 150983) with original publication details: Orch. Ambon 18 1905.
This name was in version 1 of The Plant List, record kew-150983, and has not been changed.