Sea Urchin

This is a top and bottom view of two sea urchins. The bottom view shows the distinctive depression with the mouth in the centre, and the anus above it. The urchin burrowed through the sediment digesting it, extracting nutrients and then excreting the waste.

Find out more on the echinoderms page.

Common name

Sea Urchin

Scientific name

Holectypus depressus

Type

Echinoderms > Sea Urchins


Strata

Cornbrash

Time period

Middle Jurassic

Age

166 million years

Where found

Weymouth

Found by

Unknown

Museum

Dorset County Museum, Dorchester

Accession number

DCM.G.02422+23