Explore the fascinating world of ancient fish in this 42-minute lecture from the Royal Tyrrell Museum Speaker Series. Join Dr. Donald Brinkman as he delves into the study of nonmarine teleost fishes from the Late Cretaceous and Early Paleocene periods in North America's Western Interior. Discover how vertebrate microfossil localities provide crucial evidence for understanding these prehistoric aquatic species. Gain insights into the evolutionary history and diversity of freshwater fish during this pivotal time in Earth's history, bridging the gap between the age of dinosaurs and the rise of mammals.