Multi-coloured iridescent Caloceras display ammonite (86mm) Marine reptile These crinoids are very sought

These crinoids are very sought after and not easy to find these days

and pinnules

and red tones dominate the shell colour

The piece of limestone matrix measures 100 mm (3

Multi-coloured iridescent Caloceras display ammonite (86mm) Marine reptile These crinoids are very soughtA stunning example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK. The matrix measures 86 mm (3. 4 inches) across and contains a large near complete ammonite. It weighs 72 grams and the matrix has been sculpted around the ammonite. The shell sits in the original limestone matrix in which it was found. The ammonite is very well preserved and has been prepared out of the rock to reveal the shell, which