Sea Urchin

Additional images

Club spines

Some sea urchins, particularly the regular forms (round with a central mouth) were covered with heavy club spines, each armed with hundreds of fine spines. The spines easily fall off after death, so it’s rare to find the shell and spines together. 

 

 

Find out more about sea urchins on the echinoderms pages

 

Common name

Sea Urchin

Scientific name

Cidaris florigemma

Type

Echinoderms > Sea Urchins


Strata

Corallian Group, Ringstead Coral Bed

Time period

Upper Jurassic

Age

158 million years

Where found

Ringstead

Found by

Unknown

Museum

Dorset County Museum, Dorchester

Accession number

DCM.G.05103-5