![Protolloydithus neintianus](http://www.geoed.co.uk/cdn/shop/products/pictrilonew_83063ffd-8ffd-4a78-877f-d0911ec0fa99_{width}x.png?v=1582560314)
An exceptionally fine complete internal mould showing excellent detail, particularly of the sharp edged girder and the large pits of E and I. England, UK.
Size: 14mm by 16mm on block 27mm by 27mm
Size: 14mm by 16mm on block 27mm by 27mm