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Rare iridescent baculites fossil ammonite – baculites compressus, santonian, cretaceous, south dakota, usa – genuine specimen with coa
£132.00
This is a rare and stunning iridescent Baculites compressus ammonite fossil from the Santonian stage of the Late Cretaceous period (~86-83 million years ago), discovered in South Dakota, USA. Baculites were a genus of straight-shelled ammonites, an extinct group of marine cephalopods related to modern squid and cuttlefish. Unlike the more commonly coiled ammonites, Baculites evolved a long, uncoiled shell, making them well-adapted for different marine environments.
This specimen is highly prized for its remarkable natural iridescence, a result of the original nacreous shell layers reflecting light in stunning colors. The exceptional preservation of this ammonite makes it a valuable addition to any fossil collection.
Geological Information:
- Formation: Upper Cretaceous Marine Deposits
- Stage: Santonian (~86-83 million years old)
- Location: South Dakota, USA
- Depositional Environment: Shallow marine seafloor with fine sediment deposition
Fossil Characteristics:
- Elongated, straight shell with visible suture patterns
- Exceptional iridescent nacreous shell preservation
- Rare Late Cretaceous specimen from the USA
- Highly collectible due to its scientific and aesthetic significance
Key Features:
- Authentic Baculites compressus fossil ammonite
- Rare iridescent preservation of the original shell structure
- From the Alice Purnell Collection
- 100% genuine specimen with Certificate of Authenticity
Scale Rule / Cube = 1cm – Please see photos for accurate sizing.
All fossils are securely packaged for worldwide shipping.
(Actual as seen)
Out of stock
Description
This is a rare and stunning iridescent Baculites compressus ammonite fossil from the Santonian stage of the Late Cretaceous period (~86-83 million years ago), discovered in South Dakota, USA. Baculites were a genus of straight-shelled ammonites, an extinct group of marine cephalopods related to modern squid and cuttlefish. Unlike the more commonly coiled ammonites, Baculites evolved a long, uncoiled shell, making them well-adapted for different marine environments.
This specimen is highly prized for its remarkable natural iridescence, a result of the original nacreous shell layers reflecting light in stunning colors. The exceptional preservation of this ammonite makes it a valuable addition to any fossil collection.
Geological Information:
- Formation: Upper Cretaceous Marine Deposits
- Stage: Santonian (~86-83 million years old)
- Location: South Dakota, USA
- Depositional Environment: Shallow marine seafloor with fine sediment deposition
Fossil Characteristics:
- Elongated, straight shell with visible suture patterns
- Exceptional iridescent nacreous shell preservation
- Rare Late Cretaceous specimen from the USA
- Highly collectible due to its scientific and aesthetic significance
Key Features:
- Authentic Baculites compressus fossil ammonite
- Rare iridescent preservation of the original shell structure
- From the Alice Purnell Collection
- 100% genuine specimen with Certificate of Authenticity
Scale Rule / Cube = 1cm – Please see photos for accurate sizing.
All fossils are securely packaged for worldwide shipping.
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