Polished Douvilleiceras Ammonite Fossils x 6 From Maintirano, Madagascar

A NOTE FROM NICK 
New Arrivals !! A tray of 6 whole polished A Grade Tractor Ammonites also known as Douvilleiceras Spined Ammonites. Perfect with segmentation aperture intact. 

PRODUCT DESCRIPTION 
Polished Douvilleiceras Ammonite – Tulear, Madagascar 
Douvilleiceras Ammonite Spiny Ammonite Fossils from the Lower Albian (Early Cretaceous) from the Maintirano, Mahajanga Basin region in Madagascar. These display thick, heavily ribbed heteromorph shells with tight initial spiral followed by open U-shaped bend and final hook. Ribs are strong, rounded, and bear prominent lateral and ventral tubercles in rows; shell preserved in original tan brown Calcite with occasional iridescent nacre flashes. Classic Madagascan Douvilleiceras with segmentation suture showing.

PRODUCT MINERALS
Calcite, Agate, Iron Oxides

PRODUCT FEATURES
Polished Exterior, Intricate Suture Patterns, Fossil, Decorative

PRODUCT COLOUR
Brown, Orange, Gray, Clear, White

MOHS HARDNESS SCALE
3 to 4

PRODUCT DATA
Locality = Tulear, Madagascar
Grade = A Grade
Size = 51 - 58 mm