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.SIMILAR TO SEEN: The image shows an example of the single specimen you will receive. This will be picked from our stock box graded and with a size within the minimum and maximum size range indicated. It will not be the exact specimen in the photo, the colours, shape, size and style may vary as with any natural item. To guarantee the specimen you receive will be representative by that in photo.