A nice example of an ammonite fossil of the species Caloceras johnstoni from North Somerset, UK.
The matrix measures 190 mm (7.5 inches) tall and the ammonite measures 54 mm across. The shell sits in the limestone matrix in which it was found that has been shaped and has a cut-flat base and rock-coloured plaster wedge on the back to allow it to be displayed freely standing. The ammonite is well preserved with the centre missing and has been prepared out of the rock to reveal the shell. The shell displays some beautiful subtle pearlescence that nicely contrasts the darker matrix. The fossil weighs 1065 grams.
Around 200 million years old (Hettangian, Early Jurassic), this fossil would make a wonderful addition to any collection.