Cyrtochilum ionodon is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Cymbidieae, subtribe: Oncidiinae,  
Genus Cyrtochilum   section: Eucyrtochilum 
Infraspecific taxa recognized within Cyrtochilum ionodon: infraspecific taxa
This species is found in Ecuador to Peru.