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- Cleoniceras sp.$0.00
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.
XM302 Size: 2-3/4'
Learn More - Cleoniceras sp. - Red Flash$50.00
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.
XM306 Size: 2-1/8"
Learn More - Cleoniceras sp.$0.00
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.
XM313 Size: 1-7/8"
Learn More - 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.
XM314 Size: 1-3/4"
Learn More - 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 - Cleoniceras sp.$0.00
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.
XM318 Size: 1-5/8"
Learn More - Otodus megalodon$0.00
A GEM BLACK & BROWN colored Megalodon - upper jaw ANTERIOR tooth. An exceptional black and brown crown on the display side and mottled black and brown reverse. Cool colors! Highest quality enamel. The large brown bourlette is complete. Razor sharp serrations and tip. The serrations are essentially complete with damage to one - rare for a bigger Meg! The root has no hydration cracks and is complete. Also rare for a bigger Meg! A GEM BLACK & BROWN Meg tooth. It could have been a FOTM selection. A killer collector's tooth!
SC004 BoP Size: 5" (3-3/4" W)
Learn More - Carcharocles sokolovi$0.00
The December 2014 week #3 "Fossil Shark Tooth of the Month" selection is a ~3-1/2" Gem Carcharocles sokolovi from Morocco. This is one of the best GEM extra large Carcharocles sokolovi that I have seen. The BEST of the BEST!
M040 Size: 3-7/16" (2-5/8" W)
Learn More - 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
- Otodus megalodon FOTM$0.00
A GEM 5-1/4" BLACK over GRAY colored Megalodon tooth - an upper jaw ANTERIOR tooth. This exceptional Meg tooth is our September 2017 Fossil of the Month. The incredible black over gray crown shows on the display and reverse sides. The serrations are razor sharp including the tip. Excellent for a big Megalodon! The root has small hydration cracks and is complete. This GEM BLACK over GRAY Meg tooth is one of the best color Megalodon teeth of 2017. Incredible eye appeal. A fantastic collector's Meg tooth!
SC004 BoP Size: 5-1/4" (4-1/16" W)
Learn More - Hexanchus gigas$0.00
A GEM Hexanchus gigas tooth. Lower jaw tooth. Miocene. Antwerp Sand, Antwerp, Belgium. Always a rare species that is very difficult to find undamaged!
B510 Size: 1-3/16"
Learn More - 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.
XM308 Size: 1-15/16"
Learn MoreNote - Adding 15 Madagascar ammonites in December 2025 --> Link to Madagascar ammonites












