Hemicidaris intermedia

From the Jurassic Oolite of the Oxford area of England. This specimen is in near perfect condition.

Holectypus depressus

Another specimen from the Jurassic Oolite of the Oxford area only damaged on the top.

Acrosalenia hemicidaroides

From the Oolitic limestone of the Oxford area.

Clypeus plotii

From the Jurassic Oolite of the Oxford area.

  Clypeus plotii

Pseudodiadema Inequale

Jurassic Oolitic limestone of the Oxford area.

Nucleolites latiporus

Oolitic limestone of the Malton area of North Yorkshire.

A rare echinoid from the Bathonian white limestone's of Ardley, Oxfordshire.

From the Jurassic limestone's of Upware, Cambridgeshire.

Hemicidaris

From the Oxfordian Limestone's of Woodeaton, Oxfordshire.

Pieces of plates from the Oxford clay of , Oxfordshire.

From the limestone's of Upware, Cambridgeshire.

Plesiechinus laganoides

From the Oolitic Limestone's of Upware, Cambridgeshire.

Plesiechinus ornatus

View of underside from Upware, Cambridgeshire..

Plegiocidaris S.p.

Spine from the Oxford Clay,