Priscacara serrata (Rare species) is NOT Priscacara Liops (Common species)

Name : Priscacara serrata
Age : Eocene , Green River formation
Findspot : Kemmerer, Wyoming , USA
Dimensions : 39×28.5×1.6 cm
Weight : 3.5 kg

This fish itself has a size of 20 cm wich make it big. It is well centered onto a 39 x 28.5 cm limestone slab.
Note the raised bones.