Catasetum uncatum is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Cymbidieae, subtribe: Catasetinae,  
Genus Catasetum   subgenus Catasetum  section: Isoceras 
Infraspecific taxa recognized within Catasetum uncatum: infraspecific taxa
This species is found in Brazil (Pernambuco).