520-million-year-old fossils belonging to a shrimp-like crustacean are deemed extraordinary due to how much of the creature's central nervous system remains intact.

Fossils have provided scientists with a wealth of information about early Earth dwellers, and insights into how the planet’s creatures have developed since.
An international team of researchers recently studied a very rare and significant find dating back some 520 million years. 
The fossils were dug up in southern China and belong to Chengjiangocaris kunmingensis, a shrimp-like crustacean, but what is truly remarkable about