This name is a synonym of Paraphymatoceros hallii (Austin) Hässel de Menéndez.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35190031) with original publication details: Bull. Torrey Bot. Club 6(4): 26 1875.
This name was in version 1 of The Plant List, record tro-35190031.