A polished Orthoceras fossil, Sweden. An Orthoceras is a commonly used name for a nautiloid cephalopod which are related to modern day squid. They were only found in Baltic and Swedish limestone from the Ordovician Period, making this fossil circa 450 million years old.  

Long Polished Orthoceras Fossil

  • Height: 14.0cm
    Width: 3.5cm
    Depth: 2.0cm