C722 The Cover of the Book That Accompanied the Monster

"Proterogyrinus!"

"That's right, it's this thing!"

Speaking of the name 'Proterogyrinus', everyone was a little unfamiliar with it. They had never come into contact with ancient creatures before. They would probably be confused. Even if they had come into contact with some ancient creatures, they would probably think that it might be some kind of primitive amphibian.

However, in reality