Taushiro, also known as Pinche or Pinchi, is a nearly extinct possible language isolate

Language isolate

A language isolate, in the absolute sense, is a natural language with no demonstrable genealogical relationship with other languages; that is, one that has not been demonstrated to descend from an ancestor common with any other language. They are in effect language families consisting of a single...

 of the Peruvian Amazon near Ecuador. In 2000 SIL

SIL International

SIL International is a U.S.-based, worldwide, Christian non-profit organization, whose main purpose is to study, develop and document languages, especially those that are lesser-known, in order to expand linguistic knowledge, promote literacy, translate the Christian Bible into local languages,...

 counted one speaker in an ethnic population of 20. Documentation was done in the mid 1970s by Neftalí Alicea.

Following Tovar (1961), Loukotka (1968), and Tovar (1984), Kaufman

Terrence Kaufman

Terrence Kaufman is an American linguist specializing in documentation of unwritten languages, Mesoamerican historical linguistics and language contact phenomena. He is currently a professor at the department of anthropology at the University of Pittsburgh....

 (1994) notes that while Taushiro has been linked to the Zaparoan languages

Zaparoan languages

Zaparoan is an endangered language family of Peru and Ecuador with fewer than 100 speakers...

, it shares greater lexical correspondences with Kandoshi and especially with Omurano

Omurano language

Omurano is an unclassified extinct language from Peru. It is also known as Humurana, Roamaina, Numurana, Umurano, and Mayna.Tovar linked Omurano to Taushiro ; Kaufman finds the links reasonable, and tentatively proposes a Kandoshi–Omurano–Taushiro language family...

. He tentatively proposes a Kandoshi-Omurano-Taushiro language family.