The fossils were thought to be nummulites, but afterwards they were shown to be crinoid ossicles of uncertain age. Fifty years later, E. J. Garwood found that the high range bordering Sikkim to ...
Sea lilies, also known as crinoids, have declined in diversity since their kind peaked about 300 million years ago. But more than 650 living species are known, and they remain abundant in many ...
All of Earth’s creatures have the potential to slowly fossilize, making them discoverable after millions of years to be studied and entered into the annals of science. That includes those that ...