VERY RARE Heteromorph Ammonite Scaphites – Clioscaphites montanai, Santonian, Cretaceous: Montana, USA – 100% Genuine Fossil with COA

Description

This VERY RARE Heteromorph ammonite specimen, Scaphites – Clioscaphites montanai, is a remarkable example from the Santonian stage of the Cretaceous period, collected from the Pierre Shales of Montana, USA. This irregularly coiled ammonite is a perfect addition for fossil collectors, marine fossil enthusiasts, and anyone interested in the marine life of the Late Cretaceous.

Geology and Fossil Type

• Geological Stage: Santonian, Late Cretaceous
• Depositional Environment: Marine (Deposited in marine environments typical of the Pierre Shales formation in Montana.)
• Family: Scaphitidae (The Scaphites genus is known for its heteromorphic or irregular coiling pattern, commonly found in the Cretaceous period.)
• Superfamily: Ammonoidea
• Order: Ammonitida

Morphology Features

This heteromorphic ammonite fossil showcases the characteristic irregular coiling pattern typical of Scaphites species. The Clioscaphites montanai specimen is renowned for its unusual and unique coiling that sets it apart from more conventional ammonites. The distinctive shell and suture lines are well preserved, offering valuable insights into the evolutionary adaptation of ammonites during the Cretaceous period.

Notable Features

• Rare Species: Clioscaphites montanai is a rare and highly sought-after fossil due to its heteromorphic nature and distinct appearance.
• Visible Suture Lines: The ammonite’s preserved suture lines add to its scientific value, helping paleontologists understand ammonite evolution.
• Excellent Preservation: The fossil is in excellent condition, with visible morphological details that are ideal for study, display, or as a collector’s specimen.
• Unique Coiling: This irregular coiling is a hallmark of the Scaphites family, making it a standout piece in any collection.

Scientific and Historical Value

The Scaphites genus, including Clioscaphites montanai, represents an important branch in the evolutionary tree of ammonites, known for their distinctive, coiled morphology. Fossils from the Santonian stage of the Cretaceous period are valuable for studying the marine life that existed shortly before the end of the Mesozoic era. Collectors and researchers alike prize these fossils for their unique features and as valuable examples of marine biodiversity from this time.

Size and Presentation

• Scale Cube: 1cm
• Full sizing details can be found in the photos showing the exact fossil.
• The actual fossil in the photos is the exact specimen you will receive, hand-selected for its scientific value and visual appeal.

Key Selling Points

• 100% Genuine Fossil
• Comes with a Certificate of Authenticity
• Rare Heteromorphic Ammonite: Clioscaphites montanai
• Found in Montana, USA, from the Santonian, Late Cretaceous period
• Features irregular coiling, visible suture lines, and excellent preservation
• Ideal for Cretaceous period fossil collectors or marine fossil enthusiasts
• Perfect for display, study, or as a unique collector’s item

This Clioscaphites montanai ammonite fossil from the Pierre Shales of Montana is a rare, beautifully preserved, and scientifically valuable fossil. Its irregular coiling and distinct features make it a standout addition to any Cretaceous fossil collection. Perfect for any marine fossil enthusiast, collector of ammonites, or as a unique display piece for study.