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Rare Fossil Heteromorph Uncoiled Ammonite Mariella bergeri, Upper Albian, Cretaceous: Penzesgyor, Hungary – Genuine Specimen with COA

£36.00

This Rare Fossil Heteromorph Uncoiled Ammonite specimen of Mariella bergeri is from the Upper Albian of the Cretaceous period, and was discovered in Penzesgyor, Hungary. Known for its heteromorph and uncoiled shape, Mariella bergeri is a highly prized species of ammonite among collectors due to its unique and unusual morphology.

Geology and Fossil Type

  • Fossil Type: Mariella bergeri (Heteromorph Uncoiled Ammonite)
  • Geological Stage: Upper Albian, Cretaceous
  • Location: Penzesgyor, Hungary
  • Depositional Environment: Marine
  • Family: Mariellidae
  • Superfamily: Marielloidea
  • Order: Ammonitida

Morphology Features

  • Heteromorph Ammonite: Mariella bergeri is a heteromorph ammonite that features a highly distinctive uncoiled structure. Unlike the typical coiled ammonites, this species exhibits a fascinating, non-spiral form that is highly sought after by fossil enthusiasts.
  • Size: The fossil’s size is shown in the photo alongside the scale rule (in 1 cm squares) for accurate reference. Please refer to the photo for the exact size of the specimen.
  • Preserved Detail: The specimen is well-preserved, showcasing the intricate details of the uncoiled whorls, suture lines, and the overall heteromorph morphology of this unique species.

Notable Features

  • Rare Fossil: This uncoiled ammonite fossil is a rare example of Mariella bergeri, a species of heteromorph ammonite that stands out due to its distinctive uncoiled form.
  • Cretaceous Marine Life: This fossil comes from the Cretaceous period, a time of great diversity in marine life. The Upper Albian was characterized by a rich array of ammonites, including species like Mariella bergeri.
  • Perfect for Display: With its unique form and excellent preservation, this fossil is a fantastic addition to any fossil collection and makes for an impressive display piece.

Scientific and Historical Significance

  • Heteromorph Ammonites: As part of the heteromorph ammonite family, Mariella bergeri is particularly remarkable due to its non-coiling structure.
  • Cretaceous Period: The Cretaceous period was a significant era in geological history, and ammonites were widely distributed and highly diverse. Mariella bergeri provides insight into the marine ecosystems of the time.
  • Marine Ecosystem: Fossils like Mariella bergeri help us understand the complex marine environments of the Upper Albian, with ammonites serving as important marine organisms.

Size and Presentation

  • Scale Cube: The scale cube is 1 cm and is shown in the photo for easy size reference.
  • Full Size: The actual fossil will be the one shown in the photo, and its size is provided alongside the scale for accurate understanding.

Key Selling Points

  • 100% Genuine Fossil: This Mariella bergeri fossil is 100% genuine and comes with a Certificate of Authenticity.
  • Rare and Unique: This heteromorph ammonite fossil is a rare and highly sought-after species due to its unique uncoiled shape.
  • Perfect for Fossil Collectors: This fossil is a must-have for fossil collectors, whether you are new to collecting or a seasoned expert.
  • Well-Preserved: The uncoiled form and detail of this fossil make it an exceptional specimen for study, display, or educational purposes.

Additional Information

  • Scale Rule: The scale rule is provided in 1 cm squares for easy size reference.
  • Shipping and Packaging: Each fossil is carefully packaged to ensure it arrives securely and safely.
  • Certificate of Authenticity: This fossil comes with a Certificate of Authenticity to guarantee its genuine nature.

 

(Actual as seen)

Out of stock

SKU: SF0682 Category:

Description

This Rare Fossil Heteromorph Uncoiled Ammonite specimen of Mariella bergeri is from the Upper Albian of the Cretaceous period, and was discovered in Penzesgyor, Hungary. Known for its heteromorph and uncoiled shape, Mariella bergeri is a highly prized species of ammonite among collectors due to its unique and unusual morphology.

Geology and Fossil Type

  • Fossil Type: Mariella bergeri (Heteromorph Uncoiled Ammonite)
  • Geological Stage: Upper Albian, Cretaceous
  • Location: Penzesgyor, Hungary
  • Depositional Environment: Marine
  • Family: Mariellidae
  • Superfamily: Marielloidea
  • Order: Ammonitida

Morphology Features

  • Heteromorph Ammonite: Mariella bergeri is a heteromorph ammonite that features a highly distinctive uncoiled structure. Unlike the typical coiled ammonites, this species exhibits a fascinating, non-spiral form that is highly sought after by fossil enthusiasts.
  • Size: The fossil’s size is shown in the photo alongside the scale rule (in 1 cm squares) for accurate reference. Please refer to the photo for the exact size of the specimen.
  • Preserved Detail: The specimen is well-preserved, showcasing the intricate details of the uncoiled whorls, suture lines, and the overall heteromorph morphology of this unique species.

Notable Features

  • Rare Fossil: This uncoiled ammonite fossil is a rare example of Mariella bergeri, a species of heteromorph ammonite that stands out due to its distinctive uncoiled form.
  • Cretaceous Marine Life: This fossil comes from the Cretaceous period, a time of great diversity in marine life. The Upper Albian was characterized by a rich array of ammonites, including species like Mariella bergeri.
  • Perfect for Display: With its unique form and excellent preservation, this fossil is a fantastic addition to any fossil collection and makes for an impressive display piece.

Scientific and Historical Significance

  • Heteromorph Ammonites: As part of the heteromorph ammonite family, Mariella bergeri is particularly remarkable due to its non-coiling structure.
  • Cretaceous Period: The Cretaceous period was a significant era in geological history, and ammonites were widely distributed and highly diverse. Mariella bergeri provides insight into the marine ecosystems of the time.
  • Marine Ecosystem: Fossils like Mariella bergeri help us understand the complex marine environments of the Upper Albian, with ammonites serving as important marine organisms.

Size and Presentation

  • Scale Cube: The scale cube is 1 cm and is shown in the photo for easy size reference.
  • Full Size: The actual fossil will be the one shown in the photo, and its size is provided alongside the scale for accurate understanding.

Key Selling Points

  • 100% Genuine Fossil: This Mariella bergeri fossil is 100% genuine and comes with a Certificate of Authenticity.
  • Rare and Unique: This heteromorph ammonite fossil is a rare and highly sought-after species due to its unique uncoiled shape.
  • Perfect for Fossil Collectors: This fossil is a must-have for fossil collectors, whether you are new to collecting or a seasoned expert.
  • Well-Preserved: The uncoiled form and detail of this fossil make it an exceptional specimen for study, display, or educational purposes.

Additional Information

  • Scale Rule: The scale rule is provided in 1 cm squares for easy size reference.
  • Shipping and Packaging: Each fossil is carefully packaged to ensure it arrives securely and safely.
  • Certificate of Authenticity: This fossil comes with a Certificate of Authenticity to guarantee its genuine nature.

 

Additional information

Era

Cretaceous

Origin

Hungary

Cretaceous Information

The Cretaceous Period (145–66 million years ago) was the final era of the Mesozoic, marked by the dominance of dinosaurs and the rise of flowering plants. It had a warm, greenhouse climate, with high sea levels that created vast shallow inland seas. Marine life flourished, including mosasaurs, ammonites, and rudist reefs, while the land was ruled by iconic dinosaurs like Tyrannosaurus rex, Triceratops, and Spinosaurus. Mammals and birds diversified, and insects thrived. The period ended with the mass extinction event, likely caused by an asteroid impact, wiping out the dinosaurs and paving the way for the rise of mammals in the Cenozoic.

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