Hatam–Mansim languages
Hatam–Mansim is a small language family of Western New Guinea, consisting of two languages:
Ross tentatively classified Hatam as a branch of the West Papuan family, based on similarities in pronouns, but Glottolog continues to list Hatam–Mansim as an independent family. Following Reesink, Glottolog lists Mansim as a language distinct from Hattam: "comparisons of old wordlists readily confirm this difference."