What maps/modes do you unlock Corythosaurus, Tsintaosaurus, Acrocanthosaurus, Carcharodontosaurus, Dreadnoughtus, and Indoraptor?

[DeathPhantom533]

I'm trying to unlock these last few species that I need to unlock, does anyone know to get them?

 

[McCrongus]

Acro, carcharo and indoraptor are in Northwest challenge, dreadnoughtus is in Germany challenge, cory and tsintao are in southwest challenge