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Natural Douvilleiceras Ammolite Ammonite Fossils x 12 From Maintirano, Madagascar
RETAIL PRICE
A NOTE FROM NICK
A large flat of 12 natural Whole Douvilleiceras Spined Ammonites with segmentation aperture intact. Also called "Tractor" ammonites in Madagascar from their appearance looking similar to the wheel of a Tractor. Revealing the segmentation patterns in detail.
RODUCT 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, Grey, Clear, White
MOHS HARDNESS SCALE
3 to 4
PRODUCT DATA
Locality = Tulear, Madagascar
Grade = Very Good to A Grade
Size = 44 - 74 mm