From Wiktionary, the free dictionary
From non- + hominin.
nonhominin (plural nonhominins)
- That which is not a hominin.
2015 August 24, Sindya N. Bhanoo, “A Piece of the Earliest Baboon Ever Found”, in New York Times[1]:The ancient baboon, Papio angusticeps, is the first nonhominin primate found at the site.