I find this hilarious, and also accurate, which just tells you I read a lot and am a nerd. Which you already knew.
I have not read all of the books on this list by any means. But I have read A LOT of science fiction & fantasy. In fact, I just re-read "Who Goes There?" the classic novella by John Campbell, upon which various movies called variations of "The Thing" have been based. Trust me ... the story is better. I can't imagine that the latest film version will do justice to the suspense of the original. There is a lot to be said for not over-describing.
This brilliant little chart leads you, by meandering paths, down the various byways that are genre fiction. From any endpoint on this chart you could meander right back out again into mystery or romance. I love books. But you already knew that, too.