 A group of ammonites from the Callovian of the South Cave Newbald area, East Yorkshire. Diameters range from 4.5 cm to 8 cm.
|
 Muramotoceras yezoense, 65 mm with other ammonites. Santonian, Late Cretaceous. Hokkaido, Japan.
|
 Ammonites Walcotii.jpg
|
 Muramotoceras yezoense, 65 mm with other ammonites. Santonian, Late Cretaceous. Hokkaido, Japan.
|
 Dalle aux Ammonites
|