Tiniest Dinosaur Fossil? Perhaps or Perhaps Not

摘要

Captured in a time capsule of amber, it measures some seven millimeters long, or just a quarter of an inch, and is said to be the smallest of its kind. For something so small, it is truly ancient, with an age estimated at 99 million years. What is it? Say hello to the skull of Oculudentavis khaungraae, or "eye-tooth bird".