Sea urchin

Additional images

This is a well-preserved sea urchin from the Upper Chalk, showing the five radiating ‘petals’ and tiny tubercles where short spines were attached to the shell.

Find out more about sea urchins on the echinoderms pages.

Common name

Sea urchin

Scientific name

Micraster cortestudinarium

Type

Echinoderms > Sea Urchins


Strata

Chalk, Upper

Time period

Upper Cretaceous

Age

90 million years

Where found

Unknown

Found by

Unknown

Museum

Portland Museum

Accession number

L.1973.337