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Rare 4.5" Macrocephalites typicus Fossil Ammonite, Lower Callovian, Jurassic - Sakataria, Madagascar - Genuine with COA
Rare 4.5" Macrocephalites typicus Fossil Ammonite, Lower Callovian, Jurassic - Sakataria, Madagascar - Genuine with COA - Image 2

Rare 4.5″ Macrocephalites typicus Fossil Ammonite, Lower Callovian, Jurassic – Sakataria, Madagascar – Genuine with COA

£156.00

Rare 4.5″ Macrocephalites typicus Fossil Ammonite – Lower Callovian, Jurassic – Sakataria, Madagascar

100% Genuine Fossil with Certificate of Authenticity

We are thrilled to offer this rare 4.5-inch Macrocephalites typicus fossil ammonite, discovered in Sakataria, Madagascar. This specimen dates to the Lower Callovian stage of the Jurassic Period (~163 million years ago). The Macrocephalites typicus ammonite is notable for its elegant spiral shape and distinct suture patterns, making it a rare and highly sought-after fossil for collectors.

Geological and Fossil Information:

  • Fossil Type: Macrocephalites typicus Fossil Ammonite
  • Species: Macrocephalites typicus
  • Morphology Features: This fossil ammonite features a planispiral shell, with well-preserved sutures and distinct, tightly coiled whorls. The elegant spiral structure is typical of Macrocephalites typicus, a species known for its graceful, coiled shape and smooth, well-defined surface.
  • Geological Stage: Lower Callovian, Jurassic (~163 million years ago)
  • Depositional Environment: The ammonite was formed in a shallow marine environment, typical of the Lower Callovian seas, during a time of significant marine life evolution. The Jurassic period was characterized by warm, shallow seas that were perfect for ammonites like Macrocephalites typicus.
  • Biozone: This specimen comes from the Lower Callovian biozone, a part of the Jurassic period that was marked by abundant marine life, including numerous ammonite species.
  • Family: Desmoceratidae
  • Super Family: Ammonitoidea
  • Order: Ammonitida
  • Formally Identified By: This fossil has been professionally identified based on its distinct morphological features and geological context, ensuring the specimen’s authenticity.

Size and Visuals:

The fossil measures approximately 4.5 inches in diameter. A scale rule (1cm squares) is included in the attached photo for accurate size reference. The photo is of the actual specimen you will receive, carefully selected to highlight its exceptional preservation and intricate features.

Authenticity and Certification:

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity, guaranteeing the provenance and authenticity of the fossil. This Macrocephalites typicus fossil ammonite from Sakataria, Madagascar, is a rare and stunning addition to any collection.

(Actual as seen)

Only 1 left in stock

SKU: UF4116 Category:

Description

Rare 4.5″ Macrocephalites typicus Fossil Ammonite – Lower Callovian, Jurassic – Sakataria, Madagascar

100% Genuine Fossil with Certificate of Authenticity

We are thrilled to offer this rare 4.5-inch Macrocephalites typicus fossil ammonite, discovered in Sakataria, Madagascar. This specimen dates to the Lower Callovian stage of the Jurassic Period (~163 million years ago). The Macrocephalites typicus ammonite is notable for its elegant spiral shape and distinct suture patterns, making it a rare and highly sought-after fossil for collectors.

Geological and Fossil Information:

  • Fossil Type: Macrocephalites typicus Fossil Ammonite
  • Species: Macrocephalites typicus
  • Morphology Features: This fossil ammonite features a planispiral shell, with well-preserved sutures and distinct, tightly coiled whorls. The elegant spiral structure is typical of Macrocephalites typicus, a species known for its graceful, coiled shape and smooth, well-defined surface.
  • Geological Stage: Lower Callovian, Jurassic (~163 million years ago)
  • Depositional Environment: The ammonite was formed in a shallow marine environment, typical of the Lower Callovian seas, during a time of significant marine life evolution. The Jurassic period was characterized by warm, shallow seas that were perfect for ammonites like Macrocephalites typicus.
  • Biozone: This specimen comes from the Lower Callovian biozone, a part of the Jurassic period that was marked by abundant marine life, including numerous ammonite species.
  • Family: Desmoceratidae
  • Super Family: Ammonitoidea
  • Order: Ammonitida
  • Formally Identified By: This fossil has been professionally identified based on its distinct morphological features and geological context, ensuring the specimen’s authenticity.

Size and Visuals:

The fossil measures approximately 4.5 inches in diameter. A scale rule (1cm squares) is included in the attached photo for accurate size reference. The photo is of the actual specimen you will receive, carefully selected to highlight its exceptional preservation and intricate features.

Authenticity and Certification:

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity, guaranteeing the provenance and authenticity of the fossil. This Macrocephalites typicus fossil ammonite from Sakataria, Madagascar, is a rare and stunning addition to any collection.

Additional information

Era

Jurassic
Origin

Madagascar

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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