After a detailed comparison with fossil records, they found that the living clam closely resembled a specimen first described by paleontologist George Willett in the 1930s. Willett had named the ...

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 ...

Calcium phosphate looks chalky when new, but can darken to black when subjected to heat ... What information can you extract from this fossil? 21. These are both brachiopods (not clams). Without ...

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 ...