Large Psiloceras ammonite display piece with worm casts (82 mm) iridescent 6 inches) across and the

6 inches) across and the fossil ammonite measures 20 mm (0

The piece of limestone matrix measures 146 mm (5

2 inches) across

The ammonite is very well preserved on both sides with highly detailed suture lines and ribs

which displays some stunning iridescent colours that change depending on the angle that the fossil is viewed at with subtle red and orange flashes against a dark sheen

Large Psiloceras ammonite display piece with worm casts (82 mm) iridescent 6 inches) across and theA stunning example of an iridescent ammonite fossil of the species Psiloceras planorbis from North Somerset, UK. The piece of limestone matrix measures 95 mm (6. 8 inches) across and contains one complete ammonite, which measures 82 mm (3. 3 inches), which is large for this species. The ammonite is very well preserved and has been prepared out of the rock to reveal the shell, which displays some subtle iridescent colours that change depending on the