A fine complete dorsal exoskeleton with both genal spines intact. Both eyes show well and also the glabellar furrow. There is slight damage to the pygidium. The outline of the hyperstome is preserved. Also present on the block is the external mould of a large cranidium 23 mm x 28 mm showing all the glabellar furrows particularly well. Australia.
Size: 23mm by 16mm on block 48mm by 53mm
Size: 23mm by 16mm on block 48mm by 53mm