Here is a enormous ammonite mass mortality plate with Kosmoceras (Gulielmiceras) gulielmii from England. The largest ammonite on the front messures about 62 mm, on the back is a mush larger ammonite with about 103 mm in diameter. | |||
Location: | Ashton Keynes, England | ||
Size of Ammonite plate : | about 240 x 210 mm | ||
Age: | Middle Jurasic, Kallaways Beds, Callovian (about 164 Mill. Years) |