Rare Funiferites patrum Ammonite Fossil Lower Callovian Jurassic Russia Genuine Specimen

Description

Rare Funiferites patrum Ammonite Fossil from Russia

This listing offers a rare Funiferites patrum ammonite fossil from the Lower Callovian stage of the Middle Jurassic, discovered in Russia. Dating back approximately 166 – 163 million years, this ammonite is a scientifically important and visually striking specimen that connects collectors and enthusiasts to the diverse marine life of the Jurassic seas.

Every fossil in our collection is carefully selected for quality, authenticity, and preservation. The photographs show the actual specimen you will receive, with a 1 cm scale cube included to provide accurate size reference. All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity for complete buyer confidence.

Geological Context – Lower Callovian, Middle Jurassic

The Callovian stage forms part of the Middle Jurassic period, a time when shallow epicontinental seas covered much of Eurasia, supporting a wide variety of marine life. The Lower Callovian deposits of Russia are particularly renowned for their excellent preservation of cephalopods, including ammonites such as Funiferites patrum, alongside bivalves, brachiopods, and other invertebrates.

These ammonites thrived in nutrient-rich marine environments, and their abundance, diversity, and relatively rapid evolutionary turnover make them highly valuable as index fossils. Specimens like this allow geologists to correlate rock formations across different parts of the world with precision.

Scientific Classification

• Genus: Funiferites
• Species: Funiferites patrum
• Order: Ammonitida
• Superfamily: Perisphinctoidea
• Family: Cardioceratidae
• Geological Stage: Lower Callovian, Middle Jurassic (c. 166 – 163 million years ago)
• Locality: Russia

Morphological Features of Funiferites patrum

This ammonite fossil displays the diagnostic features that distinguish Funiferites patrum:

• Compressed, evolute shell structure, with earlier whorls exposed.
• Prominent ribbing, running across the flanks of the shell, giving the fossil a striking texture.
• Well-preserved suture patterns, an iconic feature of ammonites, highlighting their complex evolutionary adaptations.
• A relatively narrow whorl section compared to related genera, aiding in identification.

These physical traits not only provide important information for scientific study but also make the specimen an aesthetically appealing fossil for display.

Paleoecology and Evolutionary Importance

Ammonites such as Funiferites patrum were free-swimming cephalopods that played a significant role in Jurassic marine ecosystems. Their chambered shells allowed buoyancy regulation, enabling them to hunt small prey such as crustaceans and plankton while avoiding predators like marine reptiles.

In paleontology, Funiferites species are considered important for biostratigraphic studies of the Callovian stage. Their short stratigraphic range, coupled with widespread distribution, makes them excellent markers for correlating Jurassic strata across Europe and Russia. This particular specimen embodies both scientific relevance and natural beauty.

Collector’s Value and Rarity

Specimens of Funiferites patrum are not commonly available on the commercial fossil market, making this example highly desirable. Collectors value it both for its rarity and for its excellent preservation of morphological features. This fossil is not only a piece of natural history but also an item of genuine paleontological significance.

Its combination of scientific importance, age, and visual appeal makes it a superb addition to any fossil collection, whether you are an experienced collector, a student of paleontology, or someone simply captivated by the beauty of natural history.

Key Details

• Species: Funiferites patrum
• Age: Lower Callovian, Middle Jurassic (c. 166 – 163 million years old)
• Origin: Russia
• Family: Cardioceratidae
• Distinctive ribbing and evolute shell preserved
• Actual specimen shown in photos with 1 cm scale cube
• Supplied with a Certificate of Authenticity

This rare Funiferites patrum ammonite fossil is a genuine specimen of high scientific and collector value, offering an extraordinary link to the rich marine ecosystems of the Jurassic seas in Russia.