Which Gen 7 Pokemon cannot be caught in Moon version?

Question

Including Alolan formes.

Answer 1

These Gen 7 Pokemon can only be found in Sun:
Alolan Vulpix and Ninetales
Passimian
Turtonator
Solgaleo
Buzzwole
Kartana

Source

Hope I could help!

Comments

What about Necrozma?

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Thats in both games.