Ammonites

Buried Treasure Fossils offers a large selection of top quality Ammonites for sale. We have Ammonites from France, Madagascar, Morocco, Russia, etc. We have pyrite, red flash, natural, cut and polished Ammonites. Also have nice Orthoceras. These Ammonites are complete and no repair. These Ammonites can show great color, internal crystals and pyrite replacement. Authenticity guaranteed. Great gifts!
- Cleoniceras sp.$145.00
An incredible whole polished Cleoniceras ammonite showing the intricate external chamber structure. Great burgundy color. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A chrome easel stand is included with this ammonite. A great gift item.
X206 Size: 5" (1-1/8" wide)
Note - Adding 17 Madagascar ammonites in November 2024 --> Link to Madagascar ammonites
Learn More - Douvilleiceras sp.$135.00
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 quite wide or thick. Authenticity guaranteed. A very showy specimen!
X241 Size: 3-5/8" (1-7/8" wide)
Note - Adding 12 Madagascar ammonites in December 2024 --> Link to Madagascar ammonites
Learn More - Cleoniceras sp.$125.00
An incredible sliced and polished Cleoniceras ammonite showing the intricate internal chamber structure with crystal lined pockets. A gorgeous Cretaceous ammonite from Madagascar. The exterior is natural with a hint of red flash. Authenticity guaranteed. An easel stand is included. A very affordable gift.
X216 Size: 4-3/4"
Note - Adding 6 Madagascar ammonites in December 2023 --> Link to Madagascar ammonites
Learn More - Crioceras loryi$125.00
A gorgeous, very rare early Cretaceous Crioceras loryi ammonite specimen from Drome, France. A rare uncoiled, spiny Ammonite. This is a Lower Cretaceous ammonite (Lower Hauterivian) - 135 MYA. Authenticity guaranteed.
FR303 Size: 2-7/8"
Learn More - Desmoceras sp.$125.00
An incredible whole polished Desmoceras ammonite showing the intricate external chamber structure. A new species with a larger suture pattern and very thick. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A great gift item. A chrome easel stand is included with this ammonite. Note - this item weighs more than 1.2 lbs. An international shipping charge will apply.
X221 Size: 3-1/2" (1-1/4" wide)
Note - Adding 17 Madagascar ammonites in November 2024 --> Link to Madagascar ammonites
Learn More - Cleoniceras sp.$125.00
An incredible whole polished Cleoniceras ammonite showing the intricate external chamber structure. A gorgeous Cretaceous ammonite from Madagascar. Authenticity guaranteed. A chrome easel stand is included with this ammonite. A great gift item.
X206 Size: 4-3/4" (1-1/16" wide)
Note - Adding 17 Madagascar ammonites in November 2024 --> Link to Madagascar ammonites
Learn More - Douvilleiceras sp.$125.00
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 quite wide or thick. Authenticity guaranteed. A very showy specimen!
X242 Size: 3-1/2" (1-3/4" wide)
Note - Adding 12 Madagascar ammonites in December 2024 --> Link to Madagascar ammonites
Learn More - Hoploscaphites brevis$125.00
A natural Hoploscaphites brevis ammonite with great preservation of the shell material. The ammonite shell exhibits excellent natural iridescence. A matrix free specimen with a thick profile. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.
SD09 Size: 2"
Note - Adding 6 So. Dakota ammonites in August 2025. --> Link to So. Dakota Ammonites
Learn More - Hoploscaphites nebrascensis$115.00
A natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell has some natural iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This specimen is sits in an original Pierre Shale nodule with a flat base for a great display. This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A fantastic display piece.
SD02 Size: 2-1/8"
Note - Adding 10 So. Dakota ammonites in December 2020. --> Link to So. Dakota Ammonites
Learn More - Douvilleiceras sp.$115.00
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 quite wide or thick. Authenticity guaranteed. A very showy specimen!
X244 Size: 3-1/8" (1-3/4" wide)
Note - Adding 12 Madagascar ammonites in December 2024 --> Link to Madagascar ammonites
Learn More - Orthoceras sp.$95.00
A LARGE, incredible polished Orthoceras plate showing the intricate internal chamber structure from Morocco. These are Devonian age squid-like creatures. Gorgeous jet black and white colors. Eleven Orthoceras specimens exposed. Largest Orthoceras is 11" in length. A museum quality Orthoceras plate. An incredible display piece! Note: Large and heavy Orthoceras plates will require a supplemental international shipping charge. This items weighs 12.75 lbs. to ship. Please request quote.
M2024 Plate size: 13-1/2" x 12"
Note - Adding five Orthoceras specimens in October 2022. Link to Othoceras plates
Learn More - Kranosphinctes (Perisphinctes) sp.$95.00
An 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 2.6 lbs. International customers will not have free shipping.
X280 Size: 6" (2-1/8" wide)
Note - Adding 17 Madagascar ammonites in November 2024 --> Link to Madagascar ammonites
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