Fossils for Sale - High-quality BRITISH and WORLDWIDE Fossils. An impressive selection of fossils, including Ammonites, Trilobites, Belemnites, Fossil Fish, Fossil Shark Teeth, Fossilised Insects in Amber, Dinosaurs, and Reptiles. UK Fossils was formed in 1988 and collects and preps our own fossils in the heart of the Jurassic Coast, collecting fossils from Lyme Regis, Charmouth and Somerset. Our passion for fossils is reflected in our carefully curated collection, which includes some of the rarest and most unique specimens available.

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RARE Fossil Ammonite Ochetoceras densicostatum – Middle Oxfordian Jurassic – Le Vanneau, France – Genuine Specimen
RARE Fossil Ammonite Ochetoceras densicostatum – Middle Oxfordian Jurassic – Le Vanneau, France – Genuine Specimen - Image 2

RARE Fossil Ammonite Ochetoceras densicostatum – Middle Oxfordian Jurassic – Le Vanneau, France – Genuine Specimen

Original price was: £24.00.Current price is: £21.60.

RARE Fossil Ammonite – Ochetoceras densicostatum

Middle Oxfordian, Jurassic

Location: Le Vanneau, Deux-Sèvres, France

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity

This is a beautifully preserved fossil ammonite specimen of the rare species Ochetoceras densicostatum, originating from the Middle Oxfordian stage of the Jurassic Period, around 160 million years ago. It was collected from the renowned fossil locality of Le Vanneau, in the Deux-Sèvres department of western France. The fossil shown in the listing photo is the exact piece you will receive, professionally selected for its quality, preservation, and scientific interest.

Geological Context:

  • Geological Period: Jurassic
  • Stage: Middle Oxfordian
  • Depositional Environment: Shallow marine basin
  • Stratigraphy: Often associated with marly limestone and clay facies of the Oxfordian marine platform deposits.

Fossil Information:

  • Genus: Ochetoceras
  • Species: Ochetoceras densicostatum
  • Family: Oppeliidae
  • Superfamily: Haploceratoidea
  • Order: Ammonitida
  • Morphological Features:
  • Ochetoceras species are known for their compressed, planispiral shells with sharp ribbing. O. densicostatum is distinguished by its densely ribbed shell with bifurcating ribs that may show faint keel development along the venter.

Scientific Significance:

This genus represents a classic example of the evolutionary radiation of Oppeliid ammonites during the Middle Jurassic. Specimens like this are used for zonal biostratigraphy in Oxfordian sequences.

Scale:

Scale rule squares/cube = 1cm. Please refer to the photos for full sizing and detailed views.

This is a carefully selected fossil specimen with great display value and scientific relevance, ideal for both collectors and educational use. A fantastic addition to any Jurassic ammonite or European fossil collection.

(Actual as seen)

Only 1 left in stock

SKU: UF4510 Category:

Description

RARE Fossil Ammonite – Ochetoceras densicostatum

Middle Oxfordian, Jurassic

Location: Le Vanneau, Deux-Sèvres, France

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity

This is a beautifully preserved fossil ammonite specimen of the rare species Ochetoceras densicostatum, originating from the Middle Oxfordian stage of the Jurassic Period, around 160 million years ago. It was collected from the renowned fossil locality of Le Vanneau, in the Deux-Sèvres department of western France. The fossil shown in the listing photo is the exact piece you will receive, professionally selected for its quality, preservation, and scientific interest.

Geological Context:

  • Geological Period: Jurassic
  • Stage: Middle Oxfordian
  • Depositional Environment: Shallow marine basin
  • Stratigraphy: Often associated with marly limestone and clay facies of the Oxfordian marine platform deposits.

Fossil Information:

  • Genus: Ochetoceras
  • Species: Ochetoceras densicostatum
  • Family: Oppeliidae
  • Superfamily: Haploceratoidea
  • Order: Ammonitida
  • Morphological Features:
  • Ochetoceras species are known for their compressed, planispiral shells with sharp ribbing. O. densicostatum is distinguished by its densely ribbed shell with bifurcating ribs that may show faint keel development along the venter.

Scientific Significance:

This genus represents a classic example of the evolutionary radiation of Oppeliid ammonites during the Middle Jurassic. Specimens like this are used for zonal biostratigraphy in Oxfordian sequences.

Scale:

Scale rule squares/cube = 1cm. Please refer to the photos for full sizing and detailed views.

This is a carefully selected fossil specimen with great display value and scientific relevance, ideal for both collectors and educational use. A fantastic addition to any Jurassic ammonite or European fossil collection.

Additional information

Era

Jurassic
Origin

France

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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