Image 1 (IMAGE) Natural History Museum of Los Angeles County Caption While more complete fossils like this mosasaur on display at the Natural History Museum of Los Angeles County’s Dinosaur Hall fire the imagination, paleontology collections around the world are full of less-complete fossils that can help scientists understand the history of life on earth. Credit Courtesy of the Natural History Museum of Los Angeles County (NHM). Usage Restrictions use with credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.