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.$400.00
An EXTRA LARGE, incredible whole polished Cleoniceras ammonite showing the intricate external chamber structure. An April Fossil of the Month. 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 3.75 lbs. An international shipping charge will apply.
X201 Size: 8-1/2" (~2" wide)
Note - Adding 20 Madagascar ammonites in April 2023 --> Link to Madagascar ammonites
Learn More - Hoploscaphites nodosus$325.00
A natural Hoploscaphites nodosus ammonite and a Nautilus (Eutrephoceras) with excellent preservation of the shell material. A December Fossil of the Month. This ammonite species exhibits big ribs with large tubercles (nodes). Both ammonites are nicely displayed on their original Pierre Shale matrix with a flat base. Matrix size is 4.5" x 2.5". This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece. Note - this specimen weighs 1.6 lbs. An international shipping charge will apply.
SD06 Size: 2-5/8" & 2"
Note - Adding 10 So. Dakota ammonites in December 2020. --> Link to So. Dakota Ammonites
Learn More - Hoploscaphites nebrascensis$275.00
A LARGE, natural Hoploscaphites nebrascensis ammonite with excellent preservation of the shell material. The ammonite shell material has natural iridescence. This ammonite species exhibits big ribs with multiple rows of tubercles (nodes). This ammonite is from the upper Cretaceous, Pierre Shale Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.
SD04 Size: 3-1/2"
Note - Adding 10 So. Dakota ammonites in December 2020. --> Link to So. Dakota Ammonites
Learn More - Cleoniceras sp.$250.00
A LARGE, incredible whole polished Cleoniceras ammonite showing the intricate external chamber structure. 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 2.5 lbs. An international shipping charge will apply.
X202 Size: 6-1/2" (1-3/4" wide)
Note - Adding 20 Madagascar ammonites in April 2023 --> Link to Madagascar ammonites
Learn More - Hoploscaphites nebrascensis$225.00
Three natural Hoploscaphites nebrascensis ammonites in a cluster with excellent preservation of the shell material. There are three ammonites in this cluster. The shell material has 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 wonderful display piece. Note - this specimen weighs 1.3 lbs. An international shipping charge will apply.
SD01 Size: 2"
Note - Adding 10 So. Dakota ammonites in December 2020. --> Link to So. Dakota Ammonites
Learn More - Cleoniceras sp.$225.00
A LARGE, incredible whole polished Cleoniceras ammonite showing the intricate external chamber structure. 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 2 lbs. An international shipping charge will apply.
X203 Size: 6" (1-1/2" wide)
Note - Adding 20 Madagascar ammonites in April 2023 --> Link to Madagascar ammonites
Learn More - Crioceras loryi$195.00
A gorgeous, very rare early Cretaceous Crioceras loryi ammonite specimen from Drome, France. A rare uncoiled, spiny Ammonite with external spikes preserved. This is a Lower Cretaceous ammonite (Lower Hauterivian) - 135 MYA. Authenticity guaranteed.
FR304 Size: 2-1/4"
Learn More - Quenstedticeras lamberti$185.00
A LARGE, TOP QUALITY Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonite with a crystal lined interior. Excellent pyrite crystals! Middle Jurassic age. Maximum size! Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.
XR201 Size: 2-3/16"
Adding 8 pyritized Ammonites in November 2022. Link to Pyritized ammonites.
Learn More - Craspedites nodiger$175.00
A gorgeous, extra large Jurassic Craspedites ammonite specimen from Russia.
X252 Size: 1-7/8"
Learn More - Craspedites nodiger$175.00
A gorgeous, extra large Jurassic Craspedites ammonite specimen from Russia.
X253 Size: 2"
Learn More - Hoploscaphites nicolleti$175.00
A Large, polished Hoploscaphites nicolleti ammonite which brings out the brilliant flashes of red from the aragonite shell material (produces an "opal-like sheen!"). The entire ammonites surface flashs red as your rotate the it (Sorry, it is difficult to capture in a photo.) This ammonite is from the upper Cretaceous, Fox Hills Fm. of So. Dakota. Authenticity guaranteed. A wonderful display piece.
SD10 Size: 3-7/8"
Note - Adding 10 So. Dakota ammonites in December 2020. --> Link to So. Dakota Ammonites
Learn More - Cleoniceras sp.$175.00
A LARGE, incredible whole polished Cleoniceras ammonite showing the intricate external chamber structure. 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 1.5 lbs. An international shipping charge will apply.
X205 Size: 5-1/2" (1-3/8" wide)
Note - Adding 20 Madagascar ammonites in April 2023 --> Link to Madagascar ammonites
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