Penutian is a proposed grouping of language families that includes many Native American languages of western North America, predominantly spoken at one time in Washington, Oregon, and California.
The original hypothesis of Penutian consisting of 5 language families was suggested by Roland B. Dixon and Alfred L. Kroeber in 1903 and published in 1913.
Callaghan, Catherine A. Miwok-Costanoan as a subfield of Penutian.
OregonPenutian is a hypothetical language family in the Penutian language phylum comprising languages spoken at one time by several groups of Native Americans in present-day western Oregon and western Washington in the United States.
Various languages in the family are divided by dialects that are in most cases identical to the various identified tribal bands in the region.
Tualatin dialect, spoken in the northern Willamette Valley along the Tualatin River, Lake Wapato, and the lower Willamette River.