| Here is a very large Ammonite of the species Cadoceras sublaeve form the British Jurassic. The living chamber is a fossil trap in that inhabits a nice Clam fossil. Thie Ammonite does show nicely the septa walls of the phragmocone. | |||
Location: | Ashton Keynes, England | ||
| Size of Ammonite: | about 136 x 94 mm | ||
| Age: | Middle Jurasic, Kallaways Beds, Callovian (about 164 Mill. Years) | ||