JAPANS MOST FAMOUS AMMONITE

In all directions and up and down – this craziest of all ammonites keeps changing its direction of growth. At some point, it takes on a shape that looks more like a ball of wool than what you would expect from an ammonite.

Close to the Nipponites are three other heteromorphic ammonites of the genus Scalarites as well as numerous shells and ammonite fragments.