Huge complete subtly iridescent Caloceras display ammonite fossil (148 mm) crinoid Great for educating kids who

Great for educating kids who never get tired of holding Jurassic poo

which display some subtle iridescent colours that change depending on the angle that the fossil is viewed at with green

75 inches) across

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

The neural and rib facets are present and well preserved

Huge complete subtly iridescent Caloceras display ammonite fossil (148 mm) crinoid Great for educating kids whoA stunning and perfect example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK. The matrix measures 380 mm (15 inches) across and the ammonite measures 148 mm (5. 8 inches), which is huge for this species and as big as it gets. The shell sits in the original limestone matrix in which it was found that has been shaped for display. The ammonite is very well preserved and has been prepared out of the rock to