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. 1. \n* Odontorrhynchus alticola Garay - Peru, Argentina 2. \n* Odontorrhynchus castillonii (Hauman) M.N.Correa - Bolivia, Argentina 3. \n* Odontorrhynchus domeykoanus Szlach. - Chile 4. \n* Odontorrhynchus erosus Szlach. - Chile 5. \n* Odontorrhynchus monstrosus Szlach. - Bolivia 6. \n* Odontorrhynchus variabilis Garay - Chile