Vintage Orthoceras bolo tie Orthoceras is a genus of extinct nautiloid cephalopod restricted to Middle Ordovician-aged marine limestones of the Baltic States and Sweden. Some folklore says that the Orthoceras will activate our root chakra by grounding us down to earth with ancient energy. This fossil pushes us on a path of transformation, from who we were, to who were are and to who we want to be. see all photos for best description