Tiny juvenile iridescent Caloceras display ammonite fossil 16mm 25 The piece of limestone matrix

The piece of limestone matrix measures 130 mm (5

The matrix measures 96 mm (3

25 inches) 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 stand freely by itself for display

Tiny juvenile iridescent Caloceras display ammonite fossil 16mm 25 The piece of limestone matrixA stunning example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK. The matrix measures 40 mm (1. 52 inches) across and contains a single ammonite, which measures 16 mm (0. 6 inches) making it a very small juvenile of this species. 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 by itself. The