What animal is extinct that laid eggs and had feathers?

The animal that is extinct that laid eggs and had feathers is the dinosaur. Dinosaurs were a diverse group of reptiles that lived on Earth for over 150 million years. They ranged in size from the tiny Compsognathus to the massive Argentinosaurus. Dinosaurs were the dominant land animals during the Mesozoic Era, which lasted from about 250 million years ago to 65 million years ago. The extinction of the dinosaurs occurred at the end of the Cretaceous Period, about 65 million years ago. The cause of the extinction is thought to have been a combination of factors, including a large asteroid impact and volcanic eruptions.