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>we know of 52 new pokemon already
>56 if we assume that Flabebe, Clauncher, Skrelp, and Binacle at least get one evo each
>except for Noivern, Clauncher, Skrelp, Orotto, and the legends, all of these pokemon are available before the 4th badge
Unless GameFreak went full retard and frontloaded the vast majority of the new pokemon into the first half of the game there's definitely going to be more than 70.