Sea urchin

Echinocystitoida are an extinct form of echinoid, or sea urchin. Sea urchins are round and covered in spines, but have an exoskeleton or ‘test’ with the same five-fold symmetry as all other echinoderms. They move using hundreds of tiny ‘tube feet’ and a water vascular system.

Object Summary

Accession Loan No.
263/1903/I/312
Category
Natural History
Collection Class
Fossils
Collection Area Region
Northern Europe
Collector Excavator
Sladen, Mr Walter Percy (from the collection of)
Common Name
sea urchin
Simple Name
fossil: echinoderm

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Echinocystitidae; Perischocidaris harteiana (Baily)