Scale cube=1cm: Full sizing please see photo All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity Name: Essexella asherae (Fossil Worm). Age: Francis Creek Shale, Mazon Creek Fossil Beds, Carboniferous Location: Chowder Flats, Morris, Ill, USA The acorn worms or Enteropneusta are a hemichordate class of invertebrates consisting of one order of the same name. Their closest relatives are the echinoderms. There are 111 known species of acorn worm in the world, the main species for research being Saccoglossus kowalevskii. ACTUAL AS SEEN: The ima

28.5 x 22 cm (11.5 x 8 inches).This is an original antique engraving from James Parkinson's landmark work on fossils "Organic Remains of a Former World" and was made in 1804. This work was a major contribution to the development of paleontology and consisted of a series of letters and accompanying h

Handmade for you in New Orleans, Louisiana. This listing is for one pair of Acorn Earrings. These unique acorn earrings feature real acorn cupules (“lids” or “caps”) and natural Fossil Conch Shell beads. * Limited Edition Seasonal Stone | April * In honor of Charles R. Darwin (12 Feb 1809 - 19 Apr 1882), who is my favorite scientist, geologist, and naturalist! Did you know that his interest in evolution was ignited during his voyage on HMS Beagle by the oceanic fossils he collected during that time? These fossilized conch shell beads remind me of how great things can have humble beginni