Mesolimulus walchi (Desmarest, 1822) horseshoe crab fossil found at Eichstätt Germany. Fossil dates to Jurassic Period. This fossil was o...

  Fossil teleost skeleton of a Belonostomus kochii (Agassiz, 1844) on display at the American Museum of Natural History in New York City USA...

  The Caritodens demissa (Conrad, 1842) pelecypod fossil found in Jefferson County, Indiana USA (near Madison). Fossil dates to the Ordovic...