Madagascar Ammonites - Catalog #1
Buried Treasure Fossils offers a large selection of top quality Ammonites for sale from Madagascar. These Madagascar ammonites show external detail including red flash aragonite, and excellent color with intricate growth suture patterns if polished or the intricate internal chamber structure and color if cut in half and polished. The rock is a beautiful agate-like material with crystal lined cavities! Exceptional color. Exterior has some iridescent red flash. Authenticity guaranteed.
- Kranosphinctes (Perisphinctes) sp.$795.00
An INCREDIBLE, EXTRA LARGE, natural Kranosphinctes ammonite showing a very nice external design from Saharaha, Madagascar. A January Fossil of the Month. Excellent shell surfaces. Very thick and heavy. Jurassic age. Very thick and heavy. A gorgeous display item with a custom steel stand! Authenticity guaranteed. Note - This item weighs 38 lbs. International customers will not have free shipping.
X270 Size: 14" x 12.5" (5-1/2" wide)
Learn More - Kranosphinctes (Perisphinctes) sp.$245.00
A LARGE, exceptional natural Kranosphinctes (Perisphinctes) ammonite showing a very nice external design from Saharaha, Madagascar. Jurassic age. A gorgeous display item! Authenticity guaranteed. Note - This item weighs 7 lbs. International customers will not have free shipping.
X275 Size: 8-3/4" (2-1/2" wide)
Note - Adding 17 Madagascar ammonites in November 2024 --> Link to Madagascar ammonites
Learn More - Douvilleiceras sp.$120.00
An incredible whole polished Douvilleiceras ammonite showing the intricate external shell suture structure. Gorgeous Cretaceous ammonites from Madagascar. Douvilleiceras has large external ribs and is very wide or thick. Authenticity guaranteed. A very showy specimen!
X243 Size: 3-3/8" (1-3/4" wide)
Note - Adding 15 Madagascar ammonites in December 2025 --> Link to Madagascar ammonites
Learn More - Cleoniceras sp.$95.00
An incredible sliced and polished Cleoniceras ammonite showing the intricate internal chamber structure with crystal lined pockets. All pockets are crystal lined! A gorgeous Cretaceous ammonite from Madagascar. The slightly polished exterior has a hint of "red flash". Authenticity guaranteed. A great gift item.
X215 Size: 4-5/16"
Note - Adding 15 Madagascar ammonites in December 2025 --> Link to Madagascar ammonites
Learn More - Cleoniceras sp. - Red Flash$60.00
A polished Cleoniceras ammonite which brings out the brilliant flashes of red and green in the aragonite shell material (produces an "opal-like sheen!") from the Cretaceous of Madagascar.
XM304 Size: 2-3/8"
Learn MoreNote - Adding 15 Madagascar ammonites in December 2025 --> Link to Madagascar ammonites
- Cleoniceras sp. - Red Flash$47.50
A polished Cleoniceras ammonite which brings out the brilliant flashes of red and green in the aragonite shell material (produces an "opal-like sheen!") from the Cretaceous of Madagascar.
XM307 Size: 2"
Learn MoreNote - Adding 15 Madagascar ammonites in December 2025 --> Link to Madagascar ammonites
- Cleoniceras sp. - Red Flash$45.00
A polished Cleoniceras ammonite which brings out the brilliant flashes of red and green in the aragonite shell material (produces an "opal-like sheen!") from the Cretaceous of Madagascar.
XM315 Size: 1-3/4"
Learn More - Perisphinctes sp.$20.00
An exceptional natural Perisphinctes sp. ammonite showing the very nice external design from Saharaha, Madagascar. Jurassic age. Authenticity guaranteed.
X239 Size: 2-5/8"
Note - Adding 12 Madagascar ammonites in December 2024 --> Link to Madagascar ammonites
Learn More - Kranosphinctes (Perisphinctes) sp.$0.00
An exceptional natural Kranosphinctes (Perisphinctes) sp. ammonite showing the very nice external design from Saharaha, Madagascar. Jurassic age. A gorgeous display item! Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 3.75 lbs. International customers will not have free shipping.
X271 Size: 6" (1-3/4" wide)
Note - Adding 6 large Madagascar ammonites in July 2023 --> Link to Madagascar ammonites
Learn More - Nautiloid sp.$0.00
A LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item! Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 7.35 lbs. International customers will not have free shipping.
X273 Size: 6-1/4" (4-11/16" wide)
Note - Adding 6 large Madagascar ammonites in July 2023 --> Link to Madagascar ammonites
Learn More - Nautiloid sp.$0.00
An EXTRA LARGE, incredible natural Nautiloid ammonite from the Cretaceous of Madagascar. A July Fossil of the Month. The aragonite shell is nicely articulated. Very wide (thick), fully inflated, and very heavy. Exceptional color and preservation. A gorgeous display item! Authenticity guaranteed. Comes this the chrome steel stand as photographed. Note - This item weighs 8.5 lbs. International customers will not have free shipping.
X272 Size: 7" (4-13/16" wide)
Note - Adding 6 large Madagascar ammonites in July 2023 --> Link to Madagascar ammonites
Learn More - Douvilleiceras sp.$0.00
An incredible sliced and polished Douvilleiceras ammonite pair showing the intricate internal chamber structure with large crystals. Gorgeous Cretaceous ammonites from Madagascar. The exterior is natural. Authenticity guaranteed. A very affordable gift.
X248 Size: 2-5/8"
Note - Adding 8 Madagascar ammonites in November 2022 --> Link to Madagascar ammonites
Learn More












