The Manubaran languages are a small family of Trans–New Guinea languages spoken around Mount Brown in the "Bird's Tail" (southeastern peninsula) of New Guinea.
They are classified within the Southeast Papuan branch of Trans–New Guinea.
The languages are Doromu and Maria, and are 63% lexically similar.
Usher (2020) reconstructs the consonant inventory as follows:[2] Vowels are *a *e *i *o *u.
Usher (2020) reconstructs the pronouns as:[2] Some lexical reconstructions of Proto-Mount Brown and Proto-Doromu-Koki, as well as Proto-Gebi and Proto-Maria, by Usher (2020) are:[2] The following basic vocabulary words of Proto-Manubaran and lower-level reconstructions by Malcolm Ross (2014)[3][4][5] are from the Trans-New Guinea database:[6] Maria reflexes of proto-Trans-New Guinea (pTNG) etyma are:[7]