C81 Great Plan!

"Bang!"

When the wall of the tunnel was pushed open by a guy with a round head and upper jaw that looked like a plate tooth, San Ye actually saw it too.

"Yes, that's a double-fin fish, right?"

"It can be considered a type of ancient Dipnomorpha."

The Dipnomorpha could be considered a four-legged cousin who had once flourished in Devonian Period