Asụsụ Alta

Alta bụ abụọ nke Meso-Cordilleran a na-asụrụ n'ebe ugwu Luzon.  Dị ka abụọ bụ isi nkewa site na Proto-South-Central Cordilleran, ha bụ paraphyletic ma ha akụkụ eme ka ọ bụrụ obere otu (Reid 2013).

 Asụsụ Northern Alta
 Asụsụ Southern Alta

 Ihe odide