Obsidian: Rocks we know we knowDec 21, 2017
Knightia Fossil Fish
$30.00 inc GST
Knightia fossil fish from Fossil Lake in the Green River Formation in Wyoming, USA
4.5cm fossil on a 6.5cm x 5cm substrate.
A bony fish from family Clupeidae 35 – 55 million years old. A small schooling fish from the Eocene that was a food source for many other fish. Knightia was a freshwater species that fed on small organisms like algae and diatoms. The species is now extinct but resembled the modern herring. The substrate is a very fine, soft, calcite bearing shale.
Lovely display specimen for the classroom or for teaching. Comes with a display stand. The specimen can be handled by students without damaging the fossil if it is handled with care.
Please contact us with any questions or to see more photos.
Out of stock