A large fossilised clam shell, believed to have been formed 180,000 years ago, has failed to sell at auction. The 110cm (3.5ft)-wide shell, found in Kenya in 2017, is considered unusual as both ...

In an astonishing discovery, scientists have uncovered a clam species believed ... noted that it is incredibly rare for a species to be discovered first as a fossil and then found alive.

Biostratigraphy: A branch of stratigraphy that uses fossil organisms to date and correlate rock layers. Spinicaudata: A group of crustaceans commonly known as clam shrimp, characterized by their ...