This is a real fossilized Mioplosis labracoides fish, excavated in Green River, Wyoming! It dates back between 53.5-48.5 million years before present. This plate measures ~9.5" wide.
These are an extinct genus of percid fish, potentially closely-related to pike-perches. They were likely voracious predators and appear to have been solitary.
We can ship all of our fossils worldwide!