Knightia Alta Fossil, Natural Prehistoric From Kemmerer Wyoming.
Knightia Alta Fossil, Natural Prehistoric From Kemmerer Wyoming, Preservation Treatment.
This is a well-preserved example of a 50 million-year-old fossil Knightia Alta from the Green River Formation of Wyoming. You can clearly see the well-defined details such as the backbone, scales and fins. It contrasts well against the creme coloured limestone matrix that is centred on.
Width: 5 3/16" Height: 2 1/4" Depth: 1/2" Weight: 165 g
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