Clypeus plotti (Salter).
Pristine perfect matrix free test. Superb preservation and fine surface detail. One one side of the upper surface there are numerous tiny oysters which have cemented themselves to the test. Unusual.
Jurassic, Bajocian, Clypeus Grit.
Wyke Rissington, Gloucestershire.
Echinoid : 7.7 x 8 x 2 cm.