> First of all, "Major" is "Ionian", and "Minor" is "Aeolian". Both are the same exact pattern of notes starting at a different point. This means that playing C Major (Ionian) involves the exact same set of notes as A Minor (Aeolian).

There were two minor scales left out: Melodic and Harmonic minor, and each of those has its associated modes. Also they change depending on whether you're ascending or descending the scale. Yes that's an additional few hundred modes. We want to be complete in our descriptions.