This squid fossil found in Germany lived in the late Jurassic Period (145-140 million years ago).  The prominent cephalopod in the Mesozo...

Parkinsonia dorsetensis ammonite fossil found in England.  The creature lived in middle Jurassic Period (174-164 million years ago).  Spe...

Bottom of an Eucalyptocrinus elrodi (Miller, 1891) crinoid calyx with a partial covering of pyrite crystals.  Found in the Waldron Shale o...