![Sphaerocoryphe thomsoni](http://www.geoed.co.uk/cdn/shop/products/pictrilonew_75fcae7c-3326-4f7b-ae07-e50c86ab0691_{width}x.png?v=1581548177)
A fine almost complete internal mould in excellent relief lacking just the free cheeks and one of the pygidial spines. Scotland, UK.
Size: 23mm by 13mm on block 30mm by 27mm
Size: 23mm by 13mm on block 30mm by 27mm