User blog comment:Kogath/Monster Hunter Frontier G8 Discussion/@comment-6050823-20150725203759

While looking through 4gamer I came across this: 7月20日に行われた体験会によると、ナルガクルガや顎が特徴のモンスターも候補に挙がっていたとのこと.

Turns out Nargacuga and Uragaan were also considered to appear in Frontier. The developers are hinting that more Main Series is coming to Frontier so... Be prepared!