|West South Bird's Head|
|Bird's Head Peninsula, Indonesian Papua|
|Linguistic classification||? Trans–New Guinea|
Inanwatan–Duriankere or Inanwatan is a pair of South Bird's Head languages spoken in New Guinea:
Noting low cognacy rates, Holton and Klamer (2018) tentatively consider Inanwatan–Duriankere, as well as Konda–Yahadian and the Nuclear South Bird's Head family to each be independent language families until further evidence can be demonstrated.
- Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2017). "Inanwatan". Glottolog 3.0. Jena, Germany: Max Planck Institute for the Science of Human History.
- Holton, Gary; Klamer, Marian (2018). "The Papuan languages of East Nusantara and the Bird's Head". In Palmer, Bill (ed.). The Languages and Linguistics of the New Guinea Area: A Comprehensive Guide. The World of Linguistics. 4. Berlin: De Gruyter Mouton. pp. 569–640. ISBN 978-3-11-028642-7.