Iridescent Caloceras display ammonite with encrusting bivalves 25 The shell sits in the

The shell sits in the original limestone matrix in which it was found that has been shaped and has a cut-flat base to allow it to stand freely by itself for display

and the mottled brown and yellow colour is beautiful and unusual for this species

The fossil consists of several complete crinoids with stems and heads preserved running across the plate with great detail

3 inches) tall and the fossil ammonite measures 20 mm (0

Iridescent Caloceras display ammonite with encrusting bivalves 25 The shell sits in theA stunning example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK. The matrix measures 87 mm (3. 45 inches) tall and contains a large partial ammonite shell that measures 70 mm across. The shell sits in the original limestone matrix in which it was found that has been shaped and has a cut flat base to allow it to be displayed freely standing. The ammonite shell is very well preserved and has been prepared