Upper and lower jaw of an ichthyosaur (Maiaspondylus lindoei) with teeth intact. The fossil is from the Loon River Formation on the Hay River and dates to the Lower Cretaceous, about 110 million years ago. Ichthyosaurs were marine reptiles that looked a bit like the modern dolphin.
|Location||Hay River, Great Slave Lake|
|Date||110 million years old|