Ammonites
Buried Treasure Fossils offers a large selection of top-quality ammonites for sale. Our diverse inventory features specimens sourced from France, Madagascar, Morocco, Russia, and beyond. We offer a variety of types, including pyrite, red flash, natural, and cut-and-polished ammonites, as well as delicate Orthoceras fossils.
Our ammonites are complete specimens with no repairs, often showcasing exceptional color, internal crystals, and pyrite replacement. Authenticity is guaranteed, making these fossils excellent additions to any collection or lavish gifts.
- Perisphinctes sp.$40.00
An exceptional natural Perisphinctes sp. ammonite showing the very nice external design from Saharaha, Madagascar. Jurassic age. Authenticity guaranteed.
X237 Size: 2-3/4"
Note - Adding 12 Madagascar ammonites in December 2024 --> Link to Madagascar ammonites
Learn More - Orthoceras sp.$37.50
An 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. Four Orthoceras specimens exposed. Largest Orthoceras is 6-1/2" 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 2.75 lbs. to ship. Please request quote.
M2028 Plate size: 7-1/2" x 6-1/2"
Note - Adding five Orthoceras specimens in October 2022. Link to Othoceras plates
Learn More - Kosmoceras sp.$37.50
An excellent gorgeous Kosmoceras sp. ammonite from the Riazan region of Russia. Incredible pyrite replaced ammonites. Natural shell exterior is well preserved. Middle Jurassic age. No repair or restoration. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.
XR245 Size: 1-1/4"
Adding 23 pyritized Ammonites in November 2021. Link to Pyritized ammonites.
Learn More - Quenstedticeras lamberti$35.00
A gorgeous Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonites. Natural shell exterior is well preserved. Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.
XR222 Size: 1-3/4"
Adding 23 pyritized Ammonites in November 2021. Link to Pyritized ammonites.
Learn More - Goniatites sp. - early Ammonite relative$35.00
An incredible, polished Goniatites sp., an early ammonite-like cephalopod showing the intricate internal chamber structure. The rock matrix is a beautiful marble material and the cavities are mineral filled! These Goniatites are beautifully polished on all sides. Thick (1"). This is a great early Ammonite. An excellent display item!
Name: Goniatites sp. , Age: Devonian (350 MM years ago), Location: Atlas Mt., Morocco
M2008 Size: 3"
Note - Adding 18 Moroccan Goniatites in December 2021. Link to Moroccan Goniatites
Learn More - Goniatites sp. - early Ammonite relative$35.00
An incredible, polished Goniatites sp., an early ammonite-like cephalopod showing the intricate internal chamber structure. The rock matrix is a beautiful marble material and the cavities are mineral filled! These Goniatites are beautifully polished on all sides. Thick (1"). This is a great early Ammonite. An excellent display item!
Name: Goniatites sp. , Age: Devonian (350 MM years ago), Location: Atlas Mt., Morocco
M2007 Size: 3"
Note - Adding 18 Moroccan Goniatites in December 2021. Link to Moroccan Goniatites
Learn More - Quenstedticeras lamberti$35.00
An EXCELLENT Quenstedticeras lamberti ammonite from the Saratov region of Russia. Incredible pyrite replaced ammonites. Natural shell exterior is well preserved. Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.
XR209 Size: 1-7/8"
Adding 4 pyritized Ammonites in November 2022. Link to Pyritized ammonites.
Learn More - Goniatites sp. - early Ammonite relative$35.00
An incredible polished Goniatites sp., an early ammonite-like cephalopod showing the intricate internal chamber structure. The rock matrix is a beautiful marble material and the cavities are mineral filled! These Goniatites are beautifully polished on all sides. A thick specimen (1-3/8"). Authenticity gauranteed. This is a great early Ammonite. An excellent display items!
Name: Goniatites sp. , Age: Devonian (350 MM years ago), Location: Atlas Mt., Morocco
M2006 Size: 3" (1-3/8" thick)
Learn More - Goniatites sp. - early Ammonite relative$35.00
An incredible polished Goniatites sp., an early ammonite-like cephalopod showing the intricate internal chamber structure. The rock matrix is a beautiful marble material and the cavities are mineral filled! These Goniatites are beautifully polished on all sides. Authenticity gauranteed. This is a great early Ammonite. An excellent display items!
Name: Goniatites sp. , Age: Devonian (350 MM years ago), Location: Atlas Mt., Morocco
M2003 Size: 3-1/8"
Learn More - Kosmoceras sp.$32.50
A pair of gorgeous Kosmoceras sp. ammonites from the Saratov region of Russia. Incredible pyrite replaced ammonites. Natural shell exterior is well preserved. Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.
XR225 Size: 15/16"
Adding 4 pyritized Ammonites in November 2022. Link to Pyritized ammonites.
Learn More - Quenstedticeras lamberti$30.00
A pair of gorgeous Quenstedticeras lamberti ammonites from the Saratov region of Russia. Incredible pyrite replaced ammonites. Natural shell exterior is well preserved. Middle Jurassic age. Authenticity guaranteed. Note - supply of these pyrite ammonites stopped in 2011. This is the last of my inventory.
XR224 Size: 1"
Adding 23 pyritized Ammonites in November 2021. Link to Pyritized ammonites.
Learn More - Goniatites sp. - early Ammonite relative$30.00
An incredible polished Goniatites sp., an early ammonite-like cephalopod showing the intricate internal chamber structure. The rock matrix is a beautiful marble material and the cavities are mineral filled! These Goniatites are beautifully polished on all sides. Authenticity gauranteed. This is a great early Ammonite. An excellent display items!
Name: Goniatites sp. , Age: Devonian (350 MM years ago), Location: Atlas Mt., Morocco
M2004 Size: 2-7/8"
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