An exceptionally fine complete test with the rare preservation of 14 large club shaped spines in their living position plus three smaller ones. Also contains the spherical sponge Porosphaera globularis (4 mm diameter). From the Upper Chalk, Bromley, Kent.
Size: 65 mm in diameter on block 80 mm by 60 mm
Size: 65 mm in diameter on block 80 mm by 60 mm