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
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).