*checks Bulbapedia* Tauros, Farfetch'd, Kangaskhan, Pinsir, Lapras, Ditto, and Aerodactyl. Pinsir and Kangaskhan are really the only other 2 I could picture getting an evolution. Ditto must keep its role as a gimmick Pokemon, Lapras and Aerodactyl are already quite nice, and Farfetch'd...