Positive/Negative Pair of a Partial Fossil Fish Aspiration | Mioplosus labracoides | Wyoming Dinosaur at the back of the

at the back of the neck

Late Silurian ~420 m

Mosasaur tooth approx

the asphalt soaks into them

The climate was mild

Positive/Negative Pair of a Partial Fossil Fish Aspiration | Mioplosus labracoides | Wyoming Dinosaur at the back of theMioplosus labracoides Eocene (51. 98 Million Years Ago) Green River Formation, Wyoming, USA In Stone Fossils Private Quarry Specimen approx. size: 4" Positive plate approx. size: 7. 5" x 6. 5" Negative plate approx. size: 7" x 9" Known as an aspiration, this fossil captures a partial Mioplosus that died trying to swallow its prey whole. The prey fish was too large for the Mioplosus to swallow, and it literally choked to death on it. The tail of the