Until 1983, all the owl monkeys were regarded as subspecies of Aotus trivirgatus, and all were referred to as douroucoulis.
1983년까지, 모든 올빼미원숭이들은 세줄무늬올빼미원숭이(Aotus trivirgatus)의 아종으로 간주되었으며, 모두 밤원숭이들을 지칭했다.