LK Ammonite Cleoniceras IF-MA-16-005 Jurassic and typically at some growth

and typically at some growth stage

This specimen has a magnificent 5-inch rostrum

The tooth is prepared in its original matrix

5 inches and is ½ inch thick

low ribbing

LK Ammonite Cleoniceras IF-MA-16-005 Jurassic and typically at some growthCleoniceras besairiei Lower Cretaceous (Albian) Mahajanga Basin Madagascar Here is an outstanding example of C. besairiei with the original shell removed to reveal a really detailed suture pattern. This specimen is a complete phragmocone with a small portion of the living chamber. Most examples from these localities are sanded and polished to such an extent that the original aragonite shell is removed and often the detail of the suture pattern is