The fossil was discovered at Stevns Klint—a ... an underwater species considered a “cousin” of the modern sea star and sea urchin, according to the Smithsonian, and the organisms ...

The sea-urchin Tylocidaris clavigera has highly characteristic club-like spines. This specimen is 80-83 million years old and originates from the Upper Cretaceous Chalk in southern England.

A fossil that was discovered at a Norwich beauty ... of Norfolk has now identified it as a "very nice" echinoderm, or sea urchin, preserved in flint. "The flint is formed within the chalk ...

"I found the odd fossil many years ago near the coast but was amazed to find one this far inland as it looks like a sea creature." An expert at the Geological Society of Norfolk has now identified it ...