The Mairasi languages, also known as Etna Bay are a small independent family of Papuan languages in the classifications of Malcolm Ross and Timothy Usher, that had been part of Stephen Wurm's Trans–New Guinea proposal. They are named after Etna Bay, located in the southeastern corner of West Papua province, in Indonesia.
Bayono–Awbono is a recently discovered Papuan language cluster spoken in Papua Province, Indonesia, to the south of the Somahai languages. All that is known of them is a few hundred words recorded in first-contact situations recorded in Wilbrink (2004) and Hischier (2006).
The Kiwaian languages form a language family of New Guinea. They are a dialect cluster of half a dozen closely related languages. They are grammatically divergent from the Trans–New Guinea languages, and typically have singular, dual, trial, and plural pronouns.
The Pauwasi languages are a likely family of Papuan languages, mostly in Indonesia. The subfamilies are at best only distantly related. The best described Pauwasi language is Karkar, across the border in Papua New Guinea. They are spoken around the headwaters of the Pauwasi River in the Indonesian-PNG border region.
The South Bird's Head or South Doberai languages are three families of Papuan languages. They form part of the Trans–New Guinea languages in the classifications of Malcolm Ross (2005) and Timothy Usher (2020), though Pawley and Hammarström (2018) do not consider them to be part of Trans–New Guinea. However, according to Dryer (2022), based on a preliminary quantitative analysis of data from the ASJP database, South Bird's Head languages are likely to be a subgroup of Trans–New Guinea.
The Teberan languages are a well established family of Papuan languages that Stephen Wurm (1975) grouped with the Pawaia language as a branch of the Trans–New Guinea phylum.
The Tirio languages are a family of Trans–New Guinea languages in the classification of Malcolm Ross. The Tirio languages have about 40% of their lexicon in common.
The Gogodala–Suki or Suki – Aramia River languages are a small language family of Papua New Guinea, spoken in the region of the Aramia River.
The Yareban or Musa River languages are a small family of Trans–New Guinea languages spoken near the Musa River in the "Bird's Tail" of New Guinea. They are classified within the Southeast Papuan branch of Trans–New Guinea.
The Kwalean or Humene–Uare languages are a small family of Trans–New Guinea languages spoken in the "Bird's Tail" of New Guinea. They are classified within the Southeast Papuan branch of Trans–New Guinea.
The Goilalan or Wharton Range languages are a language family spoken around the Wharton Range in the "Bird's Tail" of New Guinea. They were classified as a branch of the Trans–New Guinea languages by Stephen Wurm (1975), but only tentatively retained there in the classification of Malcolm Ross (2005) and removed entirely by Timothy Usher (2020).
The Kolopom languages are a family of Trans–New Guinea languages in the classifications of Stephen Wurm (1975) and of Malcolm Ross (2005). Along with the Mombum languages, they are the languages spoken on Kolepom Island in South Papua, Indonesia.
The Demta–Sentani languages form a language family of coastal Indonesian Papua near the Papua New Guinea border.
Mor is a nearly extinct Trans–New Guinea language of Indonesia. It is spoken along the Budidi River and the Bomberai River on the Bomberai Peninsula.
Pawaia, also known as Sira, Tudahwe, Yasa, is a Papuan language that forms a tentative independent branch of the Trans–New Guinea family in the classification of Malcolm Ross (2005).
Kamula is a Trans–New Guinea language that is unclassified within that family in the classification of Malcolm Ross (2005). Noting insufficient evidence, Pawley and Hammarström (2018) leave it as unclassified.
Asmat is a Papuan language cluster of South Papua.
Karami is an extinct and unclassified Papuan language of southern Papua New Guinea. It is attested from only a short word list, which include many loans from Foia Foia.
Edolo (Etoro) is a Papuan language of Papua New Guinea, spoken by the Etoro people. As of 2015, there were 300 monolingual speakers. It is part of the Bosavi branch of the Trans–New Guinea language family.
The Nuclear South Bird's Head, Core South Bird's Head or East South Bird's Head languages form a small language family of western New Guinea. They either form part of a wider South Bird's Head language family, or may be an independent language family if not related to the Inanwatan and Konda–Yahadian languages.
