The Supanecan or Tlapanecan languages are Tlapanec (Me'phaa) of

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and the extinct

Subtiaba Subtiaba is an extinct Oto-Manguean language which was spoken on the Pacific slope of Nicaragua, especially in the Subtiaba district of León. Edward Sapir established a connection between Subtiaba and Tlapanec. When Lehmann wrote about it in 1 ...

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. The family was recognized in 1925 by

Edward Sapir Edward Sapir (; January 26, 1884 – February 4, 1939) was an American anthropologist-linguistics, linguist, who is widely considered to be one of the most important figures in the development of the discipline of linguistics in the United States ...

, who linked them to his Hokan proposal. However, they are the most recently recognized members of the Oto-Manguean language family, the relationship having been demonstrated in 1977 by Jorge Suárez. The Oto-Manguean affiliation of Tlapaneco-Subtiaba is supported by Kaufman (2016). According to Costenla (1994), these two languages diverged sometime after 1200 AD. Sapir proposed that a third language, the extinct ''Maribo'' of the village of Maribichicoa, on the Guatajiguala River in Lencan country in El Salvador, may have been the closest relative of Subtiaba, or that it in fact was Subtiaba. However, Campbell (1975) questions this.Oltrogge (1977)''Two studies in Middle American comparative linguistics'', p. 4

References

{{Oto-Manguean languages Oto-Manguean languages