Iridescent Psiloceras ammonite fossil display piece crinoid so it is the true

so it is the true size of the shell

The ammonite is well preserved with strong ribbing and suture lines and is mostly clean on both sides

The fossil weighs 450 grams and has a cut flat base to allow it to stand freely for display

It is slightly distorted and compressed on one side

85 inches) across and contains a single ammonite that measures 28 mm (1

Iridescent Psiloceras ammonite fossil display piece crinoid so it is the trueA stunning example of an iridescent ammonite fossil of the species Psiloceras planorbis from North Somerset, UK. The piece of limestone matrix measures 180 mm (7. 1 inches) across and contains a single ammonite, which measures 40 mm. The ammonite is 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 angle that the fossil is viewed at with a nice sheen.