21. These are both brachiopods (not clams). Without knowing anything about the biology of brachiopods, choose the fossil that is preserved as original shell material. What is your evidence (you should ...

Cambrian shell fossils reveal predator-prey battles shaped evolution, as predators attacked and prey adapted by developing ...

In an astonishing discovery, scientists have uncovered a clam species believed ... an amateur shell collector who had first recognized the fossil's distinctiveness among thousands of shells.

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 ...