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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Quenstedtoceras lamberti Fossil Ammonite Oxfordian Jurassic Dorset UK Genuine Specimen

Quenstedtoceras lamberti Fossil Ammonite Oxfordian Jurassic Dorset UK Genuine Specimen

£9.00

Genuine Quenstedtoceras lamberti Ammonite Fossil from Dorset, UK

This is an authentic Quenstedtoceras lamberti ammonite fossil from the Oxfordian Stage of the Jurassic Period, approximately 160 million years old. Collected at Tidmoor Point, The Fleet, Dorset, England, this fossil represents a historically significant species within the ammonite record. The specimen you see in the photographs is the exact piece you will receive, carefully selected for both scientific and display value. Every fossil comes with a Certificate of Authenticity, ensuring it is a 100% genuine specimen.

Geological Context and Age

The Oxfordian Stage (163–157 million years ago) marks the beginning of the Late Jurassic, a time when shallow seas extended across what is now southern England. Tidmoor Point on The Fleet Lagoon, Dorset, is part of the renowned Jurassic Coast World Heritage Site, famous for its continuous record of Jurassic marine life. The layers here preserve an exceptional ammonite fauna that allows geologists to subdivide the Jurassic into precise time intervals. Quenstedtoceras lamberti is a classic fossil species from this sequence, used to define the internationally recognised Lamberti Zone, an important biostratigraphic marker in the Oxfordian.

Scientific Classification

  • Species: Quenstedtoceras lamberti
  • Genus: Quenstedtoceras
  • Family: Cardioceratidae
  • Superfamily: Stephanoceratoidea
  • Order: Ammonitida
  • Class: Cephalopoda
  • Age: Oxfordian, Jurassic Period
  • Locality: Tidmoor Point, The Fleet, Dorset, United Kingdom

Morphology and Diagnostic Features

Quenstedtoceras lamberti is noted for its striking ribbed shell and involute coiling. The ribs are sharp and strong, often branching as they sweep across the whorls before crossing the venter. The venter itself is typically rounded or slightly keeled, giving the ammonite a robust, sculptured appearance. These morphological traits are distinctive and make this species a reliable guide fossil within the Oxfordian succession. Collectors particularly value the pronounced ribbing and clean preservation of lamberti specimens, which convey the beauty and complexity of ammonite shell architecture.

Biozone and Stratigraphic Importance

This ammonite lends its name to the Lamberti Zone, a globally significant biostratigraphic horizon that geologists use to correlate Oxfordian deposits across Europe and beyond. The presence of Quenstedtoceras lamberti allows for highly accurate age-dating of marine sediments and provides insights into evolutionary patterns among Late Jurassic ammonites. Fossils from this species are therefore of particular interest to researchers, students of geology, and serious collectors alike.

Depositional Environment

During the Oxfordian, Dorset was submerged beneath a shallow, warm sea that supported a diverse range of marine life. Ammonites such as Quenstedtoceras lamberti were active predators, swimming freely in the water column and preying on smaller marine organisms. When they died, their shells settled onto the seafloor and were gradually buried by fine sediments. Over millions of years, these sediments lithified into rock, preserving the ammonites in remarkable detail. The Fleet’s sedimentary deposits have yielded some of the finest ammonites known from the Oxfordian, with this specimen being a superb example.

Collector and Display Appeal

This specimen represents more than just a fossil; it is a piece of Earth’s evolutionary history preserved in stone. Its locality at Tidmoor Point, The Fleet ties it directly to one of the most important geological coastlines in the world. For collectors, it is both a scientifically significant ammonite and a visually striking display piece. The detailed ribbing and Oxfordian heritage make it an excellent addition to any fossil collection, teaching aid, or natural history display.

Item Details

  • Type: Fossil Ammonite – Quenstedtoceras lamberti
  • Age: Oxfordian, Jurassic Period (~160 million years old)
  • Location: Tidmoor Point, The Fleet, Dorset, United Kingdom
  • Notable Features: Strong ribbing, diagnostic Oxfordian index fossil
  • Scale: Rule squares/cube = 1 cm (see photo for precise measurements)
  • Authenticity: Supplied with a Certificate of Authenticity
  • Specimen: The exact fossil photographed is the one you will receive

A rare opportunity to own a scientifically important Quenstedtoceras lamberti ammonite fossil from the Oxfordian deposits of Dorset’s Jurassic Coast.

(Actual as seen)

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Description

Genuine Quenstedtoceras lamberti Ammonite Fossil from Dorset, UK

This is an authentic Quenstedtoceras lamberti ammonite fossil from the Oxfordian Stage of the Jurassic Period, approximately 160 million years old. Collected at Tidmoor Point, The Fleet, Dorset, England, this fossil represents a historically significant species within the ammonite record. The specimen you see in the photographs is the exact piece you will receive, carefully selected for both scientific and display value. Every fossil comes with a Certificate of Authenticity, ensuring it is a 100% genuine specimen.

Geological Context and Age

The Oxfordian Stage (163–157 million years ago) marks the beginning of the Late Jurassic, a time when shallow seas extended across what is now southern England. Tidmoor Point on The Fleet Lagoon, Dorset, is part of the renowned Jurassic Coast World Heritage Site, famous for its continuous record of Jurassic marine life. The layers here preserve an exceptional ammonite fauna that allows geologists to subdivide the Jurassic into precise time intervals. Quenstedtoceras lamberti is a classic fossil species from this sequence, used to define the internationally recognised Lamberti Zone, an important biostratigraphic marker in the Oxfordian.

Scientific Classification

  • Species: Quenstedtoceras lamberti
  • Genus: Quenstedtoceras
  • Family: Cardioceratidae
  • Superfamily: Stephanoceratoidea
  • Order: Ammonitida
  • Class: Cephalopoda
  • Age: Oxfordian, Jurassic Period
  • Locality: Tidmoor Point, The Fleet, Dorset, United Kingdom

Morphology and Diagnostic Features

Quenstedtoceras lamberti is noted for its striking ribbed shell and involute coiling. The ribs are sharp and strong, often branching as they sweep across the whorls before crossing the venter. The venter itself is typically rounded or slightly keeled, giving the ammonite a robust, sculptured appearance. These morphological traits are distinctive and make this species a reliable guide fossil within the Oxfordian succession. Collectors particularly value the pronounced ribbing and clean preservation of lamberti specimens, which convey the beauty and complexity of ammonite shell architecture.

Biozone and Stratigraphic Importance

This ammonite lends its name to the Lamberti Zone, a globally significant biostratigraphic horizon that geologists use to correlate Oxfordian deposits across Europe and beyond. The presence of Quenstedtoceras lamberti allows for highly accurate age-dating of marine sediments and provides insights into evolutionary patterns among Late Jurassic ammonites. Fossils from this species are therefore of particular interest to researchers, students of geology, and serious collectors alike.

Depositional Environment

During the Oxfordian, Dorset was submerged beneath a shallow, warm sea that supported a diverse range of marine life. Ammonites such as Quenstedtoceras lamberti were active predators, swimming freely in the water column and preying on smaller marine organisms. When they died, their shells settled onto the seafloor and were gradually buried by fine sediments. Over millions of years, these sediments lithified into rock, preserving the ammonites in remarkable detail. The Fleet’s sedimentary deposits have yielded some of the finest ammonites known from the Oxfordian, with this specimen being a superb example.

Collector and Display Appeal

This specimen represents more than just a fossil; it is a piece of Earth’s evolutionary history preserved in stone. Its locality at Tidmoor Point, The Fleet ties it directly to one of the most important geological coastlines in the world. For collectors, it is both a scientifically significant ammonite and a visually striking display piece. The detailed ribbing and Oxfordian heritage make it an excellent addition to any fossil collection, teaching aid, or natural history display.

Item Details

  • Type: Fossil Ammonite – Quenstedtoceras lamberti
  • Age: Oxfordian, Jurassic Period (~160 million years old)
  • Location: Tidmoor Point, The Fleet, Dorset, United Kingdom
  • Notable Features: Strong ribbing, diagnostic Oxfordian index fossil
  • Scale: Rule squares/cube = 1 cm (see photo for precise measurements)
  • Authenticity: Supplied with a Certificate of Authenticity
  • Specimen: The exact fossil photographed is the one you will receive

A rare opportunity to own a scientifically important Quenstedtoceras lamberti ammonite fossil from the Oxfordian deposits of Dorset’s Jurassic Coast.

Additional information

Era

Jurassic
Origin

United Kingdom

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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