Large Psiloceras ammonite display piece with worm casts (82 mm) iridescent which displays some beautiful iridescence

which displays some beautiful iridescence that causes the colours to change as the viewing angle changes

Around 198 million years old (Sinemurian

which is very large for a crinoid fossil from this location

The piece of limestone matrix measures 146 mm (5

Large Psiloceras ammonite display piece with worm casts (82 mm) iridescent which displays some beautiful iridescenceA 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