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Not to be confused with Omo language.
Cushitic family of languages spoken in Djibouti, Ethiopia, Somalia and Kenya
Mauro Tosco (2012) proposes the following internal classification of the Omo-Tana languages. Tosco considers Omo-Tama to consist of a Western branch and an Eastern ("Somaloid") branch, which is a dialect chain of various Somali languages and the Rendille–Boni languages (see also Macro-Somali languages).
Tosco, Mauro (2012). The Unity and Diversity of Somali Dialectal Variants. In: Nathan Oyori Ogechi, Jane A. Ngala Oduor and Peter Iribemwangi (eds.), The Harmonization and Standardization of Kenyan Languages. Orthography and other aspects. Cape Town: The Centre for Advanced Studies of African Society (CASAS): 2012: 263–280.