👉 Kielder is a geological formation in the United States, located near the village of Kielder in the Pennine Moors National Park. It's known for its extensive fossiliferous layers containing fossils of various types and sizes dating back to the Cretaceous period (68-72 million years ago). The area is home to a number of species that are unique to this region, including the extinct Kielder rat, which lived during the late Cretaceous period.
