Harpoceras falciferum (Sowerby)
Very unusually coloured Ammonite from the 'Junction Bed'. The colour must be the result of some sort of staining in the rock or soil. To centre both sides and showing lovely sutures.
Jurassic, Upper Toarcian, 'Junction Beds'.
Hurcott near Ilminster, Somerset.
Ammonite : 5.2 cm diam.