Haunter,golbat,chingling,bronzong,bronzor.
turn back cave
girantina is in that cave at lv 70
turn back cave
in turn back cave
you get pass turn back cave
turn back cave
turn back cave.
The turn back cave in Pokemon Platinum is in Seodoff Spring near veilstone city
after you got the national pokedex there will be a new lake cooled turn back cave near route 214.
In Turnback cave on Pokemon Patinum there is a portal to the Reverse World.
Pokemon 487 is giratina and you can find it in turn back cave
go to turn back cave