This scene from the American Eocene shows Hesperocyon and its pups where they would spend much of their time -in the forest floor. Hesperocyon in forest baja 2014
Devonian fishes. DEVONIAN periode ● began : 417 mill years ago - end : 354 mill years ago
dinosaur art the world's greatest paleoart - Google Search
Swimming Euoplocephalus tutus by Tuomas Koivurinne
Richard Bizley - Cretaceous
Lycaenops in Permian Africa by Douglas Henderson
Ancient Denver: Colorado's East Coast by Jan Vriesen
Pteranodon longiceps. They lived during the late Cretaceous geological period of North America in present day Kansas, Alabama, Nebraska, Wyoming, and South Dakota.