90-Million-Year-Old Fossil Reveals a Small Dinosaur Living Along Japan’s Coast

A small iguanodontian fossil from Japan adds evidence that Late Cretaceous coastal ecosystems supported dinosaurs of widely different body sizes. Iguanodontians were widespread plant-eating dinosaurs that lived from the Late Jurassic through the Late Cretaceous. Their movement between Asia, North America, and Europe helped shape their diversification across Laurasia, making fossils from Japan especially useful [...]