Asteroceras blakei
Slab of the famous 'Ammonite Marble' from Marston Magna. On the upper surface is an exceptionally large Asteroceras for this deposit. Half way round the outer whorl the shell has been crushed in one section with a 'V' shaped section missing on the outer edge. This would suggest a bite from a predator. original white shell preserved.
Jurassic, Upper Sinemurian, Obtusum Zone, 'Ammonite Marble'.
Marston Magna, near Yeovil, Somerset.
Ammonite : 6.5 cm. diam.
