![Perisphinctes (dichotomosphinctes) antecedens](http://www.geoed.co.uk/cdn/shop/products/pictrilonew_835522a0-297e-4243-a623-e5f7f7ad9c09_{width}x.png?v=1582023283)
One side and the venter of a fine adult internal mould showing an almost complete body chamber occupying nearly a whorl, with the ribbing well preserved. The last suture is visible and the umbilical seam uncoils over the last 1/4 whorl. The umbilicus is obscured. From England, UK.
Size: 122mm diameter
Size: 122mm diameter