An almost complete, isolated internal mould with exoskeleton in the axial region. It shows the facial sutures well and the terrace lines on the pygidial margin. The complete hyperstome (part exoskeleton, part internal mould) is in place on the undersurface and also shows fine terrace lines. The anterior part of the cephalon has broken away and is present on a block (see OT 33.OB) together with the external mould of the hypostome. From the Oslo region, Norway.
Size: 80mm by 44mm
Size: 80mm by 44mm