This fossil is an Opabinia regalis (Walcott, 1912) which is an extinct arthropod. It was found by Charles Walcott (1850-1927) in 1912 in...

  This image created by Doctor Elvira Wood and published in 1920 in The Appendages, Anatomy, and Relationships of Trilobites by Percy E. R...

This picture is of a  Sculda pennata  arthropod fossil. It was found in Solnhofen Limestone of Germany. The fossil dates to Late Jurassic...

This image is of two Marrella sp. fossils found in the Burgess Shale of British Columbia, Canada. It is one of the common soft body foss...

  This arthropod fossil has been identified as a Pemphix sueri.   This animal lived in the Middle Triassic seas and living life similar ...

Here are some interesting fossils on display at the 2nd floor of Muséum National D'Historie Naturelle Jardin Des Plantes Paléontologie e...

Here are some more pictures of blue crayfish pincers. UPDATE: Thanks to the nice people at www.bluecrayfish.com for identification of these...

Okay, this pictures are of creatures that are not fossils... yet. They could be distantly related to trilobites. While pruning the Concord g...