Eric Walker added Popa langur: Scientists discover new endangered primate species in Myanmar, with only 260 left - CNN and Popa langur - Wikipedia to Popa langur, and added Popa langur to Trachypithecus

Eric Walker added Popa langur to Trachypithecus, and added Trachypithecus to Cercopithecidae

Eric Walker added Trachypithecus to Cercopithecidae, and added Cercopithecidae to Simiiformes