Pyritised holzmaden ammonite fossil along with many fragmentary ammonites

Species: Dactylioceras; fragmentary unidentified ammonites

Age: 180 million years; Jurassic period

Location: Holzmaden, Germany; Posidonia shale

I have found and prepped this beautiful ammonite myself! This mortality layer contains many fragmentary pieces of ammonites. The fully preserved ammonite is a Dactylioceras ammonite that has been preserved in a beautiful layer of pyrite!