Two mighty brains locked in mortal tax code combat.

两个非凡大脑陷入一场你死我活的税码大战。

The fossil—dated to about 125m years ago, during the Cretaceous period—was formed when a flow of boiling volcanic mud engulfed two animals seemingly locked in mortal combat.

这块化石可追溯到大约12500万年前的白垩纪时期，当时沸腾的火山泥流吞没了两只似乎陷入殊死搏斗的动物。