Here is a picture of an Albertella helena trilobite fossil. The fossil was found in the United States and dates to the Cambrian Period. ...

Laevaptychus sp. pelecypod fossil on display at The Museo Civico di Storia Naturale di Milano (Milan Natural History Museum), Italy as ...

Iridescent Placenticeras meeki ammonite fossil on display at The Museo Civico di Storia Naturale di Milano (Milan Natural History Museum...