Marine fossils are the remains or traces of plants, animals, or other organisms that lived in or near the ocean a long time ago. They help us learn about the past and how marine life has changed over millions of years. Full definition
This is one of the largest collections of marine fossils of this age anywhere in the world. (sciencedaily.com)
While some previous studies have suggested that the demise of the dinosaurs and other groups was gradual, many scientists argue that the dinosaur fossil record in particular is patchy, and can not compete with marine fossils in terms of quantity and biodiversity. (sciencedaily.com)
As with marine fossils, the ratio of oxygen isotopes in the snow reveals temperature, though in this case, the ratio tells how cold the air was at the time the snow fell. (earthobservatory.nasa.gov)