This is a regular sea urchin preserved in flint.
Sea urchin
Museum:
Swanage
Period:
Upper Cretaceous
Strata:
Chalk|Upper
Fossil Type:
Echinoderms >Sea Urchins
Common Name:
Sea urchin
Age:
85 million years
Where it was Found:
Unknown
Found by:
Mrs Calkin
Accession Number:
SWNTB.1992.54
Images:
