Large iridescent double-Psiloceras ammonite display fossil Marine reptile which is giant for this

which is giant for this species and about as big as they get

95 inches) across and contains an ammonite that measures 81 mm (3

7 inches) across and is very well preserved with great detail in the ribbing

It is slightly distorted and compressed on one side

The shell displays some truly stunning multi-coloured iridescence with flashes of red

Large iridescent double-Psiloceras ammonite display fossil Marine reptile which is giant for thisA stunning example of an iridescent ammonite fossil of the species Psiloceras planorbis from North Somerset, UK. The piece of limestone matrix measures 140 mm (5. 45 inches) across and contains two complete ammonites, which measure 46 mm and 23 mm. The ammonites are very well preserved and have been prepared out of the rock to reveal the shells, which display some subtle iridescent colours that change depending on the angle that the fossil is viewed