Odontorrhynchus is a genus of orchids (family Orchidaceae) belonging to the subfamily Orchidoideae. It constrains 6 known species, all native to the southern half of South America.Odontorrhynchus alticola Garay - Peru, ArgentinaOdontorrhynchus castillonii (Hauman) M.N.Correa - Bolivia, ArgentinaOdontorrhynchus domeykoanus Szlach. - ChileOdontorrhynchus erosus Szlach. - ChileOdontorrhynchus monstrosus Szlach. - BoliviaOdontorrhynchus variabilis Garay - Chile↑ ↑