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RARE: Reineckites duplex Fossil Ammonite (F. Roman 1938), Upper Callovian, Jurassic - Algeria - Genuine with Certificate of Authenticity
RARE: Reineckites duplex Fossil Ammonite (F. Roman 1938), Upper Callovian, Jurassic - Algeria - Genuine with Certificate of Authenticity - Image 2

RARE: Reineckites duplex Fossil Ammonite (F. Roman 1938), Upper Callovian, Jurassic – Algeria – Genuine with Certificate of Authenticity

£60.00

RARE: Reineckites duplex Fossil Ammonite (F. Roman 1938) – Upper Callovian, Jurassic – Algeria

100% Genuine Fossil with Certificate of Authenticity

Presenting this RARE and highly sought-after Reineckites duplex fossil ammonite, discovered in Algeria. This remarkable specimen comes from the Upper Callovian stage of the Jurassic Period (~164 million years ago). Reineckites duplex, described by F. Roman in 1938, is a rare species of ammonite that features a unique spiral shape and well-preserved shell, making it a valuable find for any serious collector.

Geological and Fossil Information:

  • Fossil Type: Reineckites duplex Fossil Ammonite
  • Species: Reineckites duplex
  • Morphology Features: The Reineckites duplex ammonite is characterized by its distinct spiral shell and well-preserved growth lines, which showcase the fossil’s development over time. Its ribbed, rounded appearance makes it a unique and highly valued ammonite.
  • Geological Stage: Upper Callovian, Jurassic (~164 million years ago)
  • Depositional Environment: This ammonite lived in shallow marine environments typical of the Callovian seas, where ammonites thrived. The Algerian region offers excellent conditions for fossil preservation, allowing for the remarkable quality of this specimen.
  • Biozone: This fossil belongs to the Upper Callovian biozone, a time of abundant marine life, particularly ammonites, which were a dominant group of marine organisms during this period.
  • Family: Reineckeiidae
  • Super Family: Ammonitoidea
  • Order: Ammonitida
  • Formally Identified By: The fossil was first identified and described by F. Roman in 1938, based on its distinct shell and morphological features, ensuring its scientific authenticity.

Size and Visuals:

The fossil measures approximately 3.5 inches in diameter. A scale rule (1cm squares) is included in the attached photo for accurate size reference. The photo shows the actual specimen you will receive, carefully chosen to highlight its exceptional preservation and intricate details.

Authenticity and Certification:

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity, ensuring the provenance and authenticity of the fossil. This Reineckites duplex ammonite from the Upper Callovian stage of the Jurassic Period is a rare and well-preserved example of Jurassic marine life, making it an excellent addition to any fossil collection.

(Actual as seen)

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SKU: UF4162 Category:

Description

RARE: Reineckites duplex Fossil Ammonite (F. Roman 1938) – Upper Callovian, Jurassic – Algeria

100% Genuine Fossil with Certificate of Authenticity

Presenting this RARE and highly sought-after Reineckites duplex fossil ammonite, discovered in Algeria. This remarkable specimen comes from the Upper Callovian stage of the Jurassic Period (~164 million years ago). Reineckites duplex, described by F. Roman in 1938, is a rare species of ammonite that features a unique spiral shape and well-preserved shell, making it a valuable find for any serious collector.

Geological and Fossil Information:

  • Fossil Type: Reineckites duplex Fossil Ammonite
  • Species: Reineckites duplex
  • Morphology Features: The Reineckites duplex ammonite is characterized by its distinct spiral shell and well-preserved growth lines, which showcase the fossil’s development over time. Its ribbed, rounded appearance makes it a unique and highly valued ammonite.
  • Geological Stage: Upper Callovian, Jurassic (~164 million years ago)
  • Depositional Environment: This ammonite lived in shallow marine environments typical of the Callovian seas, where ammonites thrived. The Algerian region offers excellent conditions for fossil preservation, allowing for the remarkable quality of this specimen.
  • Biozone: This fossil belongs to the Upper Callovian biozone, a time of abundant marine life, particularly ammonites, which were a dominant group of marine organisms during this period.
  • Family: Reineckeiidae
  • Super Family: Ammonitoidea
  • Order: Ammonitida
  • Formally Identified By: The fossil was first identified and described by F. Roman in 1938, based on its distinct shell and morphological features, ensuring its scientific authenticity.

Size and Visuals:

The fossil measures approximately 3.5 inches in diameter. A scale rule (1cm squares) is included in the attached photo for accurate size reference. The photo shows the actual specimen you will receive, carefully chosen to highlight its exceptional preservation and intricate details.

Authenticity and Certification:

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity, ensuring the provenance and authenticity of the fossil. This Reineckites duplex ammonite from the Upper Callovian stage of the Jurassic Period is a rare and well-preserved example of Jurassic marine life, making it an excellent addition to any fossil collection.

Additional information

Era

Jurassic

Jurassic Information

The Jurassic Period (201–145 million years ago) was the golden age of dinosaurs, with iconic species like Brachiosaurus, Stegosaurus, and Allosaurus dominating the land. It was a time of warm, humid climates, with high sea levels that created vast shallow seas, supporting abundant marine reptiles, ammonites, and early coral reefs. The first birds, such as Archaeopteryx, evolved from small theropod dinosaurs, while early mammals remained small and nocturnal. Lush forests of cycads, conifers, and ferns covered the land, providing food for giant herbivores. The breakup of the supercontinent Pangaea accelerated, shaping Earth's geography and setting the stage for the diverse ecosystems of the Cretaceous.

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