Scientific reconstructions of ancient animals
The 18 new paintings by Mark Marcuson depict the following species based on fossils found in Nebraska or nearby states:
* Browsing antelope (Syndyoceras)
* Archaic carnivore (Hyaenodon)
* Carnivorous beardog (Daphoenus)
* Chalicothere (Moropus)
* Digging beaver (Paleocastor)
* Entelodont (Dinohyus)
* Running rhino (Hyracodon)
* Nimravid carnivore (Dinictis)
* Titanothere (Megacerops)
* Ammonite (Didymoceras)
* Camel (Oxydactylus)
* Grand owl (new, unnamed species)
* Mammoth (Mammuthus columbi)
* Mastodon (Mammut americanum)
* Oreodont (Merycoidodon)
* Plesiosaur (Elasmosaurus)
* Stegomastodon
* Giant cretaceous fish (Xiphactinus)
