Asteroceras obtusum (Sowerby)
Base cut free standing block of grey limestone with a beautifully preserved Complete 3D Ammonite. Developed right to the centre. ' Just about as good as they ever come.
Jurassic, Upper Sinemurian, Obtusum Zone.
Black Ven, Charmouth / Lyme Regis, Dorset.
Amonite : 6.5 cm diam.
