VERY RARE Heteromorph Ammonite Scaphites Discoscaphites, Pierre Shales, Maastrichtian, Late Cretaceous: South Dakota, USA – COA

Description

This VERY RARE Heteromorph Ammonite, Scaphites Discoscaphites, is an extraordinary specimen from the Late Cretaceous period, specifically the Maastrichtian stage. It was collected from the Pierre Shales and Fox Hills Sandstone formations in Egremont, South Dakota, USA. Known for its unique heteromorph shape, this ammonite is a fantastic addition for any fossil enthusiast, researcher, or collector.

Geology and Fossil Type

• Fossil Type: Ammonite
• Species: Scaphites Discoscaphites
• Geological Stage: Maastrichtian, Late Cretaceous
• Depositional Environment: Marine
• Zone: Pierre Shales, Fox Hills Sandstone
• Family: Acanthoscaphitidae
• Superfamily: Ammonoidea
• Order: Ammonitida

Morphology Features

• Heteromorph Shape: This fossil exhibits a distinctive spiral coiling that is irregular and characteristic of heteromorph ammonites like Discoscaphites. The irregular shape makes this specimen particularly unique.
• Suture Lines: The ammonite shows well-defined suture lines, a feature that is highly valuable for identification.
• Size and Dimensions: Full size details can be seen in the photo, with 1cm scale cubes included for size comparison.

Notable Features

• Rare and Sought-After: The Discoscaphites species is one of the more rare ammonites and a true find for fossil collectors.
• Exceptional Preservation: The fossil is well-preserved, with clear details of its spiral structure and sutural features.
• Distinctive Shape: The heteromorph coiling adds to its uniqueness, making it a fascinating piece for display or study.

Scientific and Historical Value

• Late Cretaceous Marine Life: Fossils from the Late Cretaceous provide important insight into the marine ecosystems of that time, and Scaphites ammonites are key to understanding ammonite evolution and biodiversity.
• The Pierre Shales and Fox Hills Sandstone formations are renowned for their marine fossils, with species like Discoscaphites offering a glimpse into the life forms that existed millions of years ago.

Size and Presentation

• Scale Cube: 1cm
• Full Size: The fossil’s dimensions can be seen in the photos with the scale rule for precise measurement.
• Photo: The photo shown is the actual specimen you will receive, ensuring authenticity and a clear representation of the fossil.

Key Selling Points

• 100% Genuine Fossil
• Comes with a Certificate of Authenticity
• Rare ammonite from the Maastrichtian stage, Late Cretaceous period
• Collected from the Pierre Shales and Fox Hills Sandstone in Egremont, South Dakota, USA
• Heteromorph shape with distinctive spiral coiling
• Excellent preservation with visible suture lines
• Ideal for fossil collectors, scientific research, or as a unique display piece
• Perfect for ammonite collectors, marine life enthusiasts, or paleontology lovers

This VERY RARE Heteromorph Ammonite, Scaphites Discoscaphites, is a genuine fossil from the Late Cretaceous period, specifically the Maastrichtian stage. Its unique heteromorph shape and excellent preservation make it a valuable addition to any fossil collection. Don’t miss out on the opportunity to own this fascinating piece of marine history!