VERY RARE Heteromorph Ammonite Scaphites – Hoploscaphites (Iridescent), Pierre Shales, Maastrichtian, Late Cretaceous: Egremont, USA – COA

Description

This VERY RARE Heteromorph ammonite fossil features the Hoploscaphites species, a particularly unique and iridescent ammonite from the Maastrichtian stage of the Late Cretaceous period. Found in the Pierre Shales and Fox Hills Sandstone of Egremont, South Dakota, USA, this ammonite fossil represents a fascinating and distinctive specimen of heteromorphic ammonites. With iridescent features, this fossil is perfect for fossil collectors and those seeking a unique and scientifically valuable addition to their collection.

Each fossil is carefully chosen to ensure that you receive the finest example. A Certificate of Authenticity accompanies each specimen, guaranteeing its authenticity. A scale cube (1cm) is included in the photos for easy size comparison.

Geology and Fossil Type

• Geological Stage: Maastrichtian, Late Cretaceous
• Depositional Environment: Marine (Ammonites like Hoploscaphites lived in the oceans, forming part of the marine ecosystem during the Late Cretaceous.)
• Family: Scaphitidae
• Superfamily: Ammonoidea
• Order: Ammonitida

Morphology Features

This ammonite is a heteromorphic species, featuring an irregular coiling pattern that makes it distinct from other ammonites. The iridescence of the specimen adds an aesthetic and scientific value, making it highly desirable. The suture lines are well-preserved, providing an excellent view of its internal structure. These morphological features are key to understanding its evolutionary adaptations and the environmental conditions of the time.

Notable Features

• Unique Heteromorphic Shape: The Hoploscaphites ammonite exhibits an irregular, spiraled coiling that is characteristic of heteromorphic ammonites, making it a rare and fascinating specimen.
• Iridescent Appearance: The fossil has iridescent qualities, which are not only rare but also provide a visually striking feature that stands out among other ammonite fossils.
• Preserved Suture Lines: Visible suture lines in the fossil give a detailed view of the internal structure and evolutionary characteristics of the species.
• Rare Find: Fossils of this quality and condition are rarely found, particularly in the Fox Hills Sandstone and Pierre Shales, making it a collectible and valuable fossil.

Scientific and Historical Value

The Hoploscaphites ammonite is a valuable specimen from the Maastrichtian stage of the Cretaceous period, providing crucial insights into the marine ecosystems of the time. This species, belonging to the Scaphitidae family, represents a unique aspect of ammonoid evolution, particularly in terms of its heteromorphic coiling. Fossils like these are important for understanding the biodiversity of the Cretaceous seas and the life forms that inhabited them.

Size and Presentation

• Scale Cube: 1cm
• Full Size Information: The photos show the exact fossil you will receive, and a scale cube is included for size reference.
• Condition: Excellent, with well-preserved features including suture lines and iridescent coloration.

Key Selling Points

• 100% Genuine Fossil
• Comes with a Certificate of Authenticity
• Very Rare Heteromorphic Ammonite: Hoploscaphites (Iridescent)
• Found in the Pierre Shales and Fox Hills Sandstone of Egremont, South Dakota, USA
• Iridescent features and visible suture lines
• Ideal for fossil collectors, marine fossil enthusiasts, and scientific study
• Perfect for display or as a unique collector’s item

This Hoploscaphites ammonite fossil from Egremont, South Dakota, is a unique and highly sought-after specimen for collectors and enthusiasts of Cretaceous marine fossils. Its heteromorphic shape, iridescence, and well-preserved details make it a rare find with immense aesthetic and scientific value. Ideal for fossil collectors, this specimen will be a valuable addition to any collection or museum display.