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 - Quenstedtoceras lamberti, Oxford Clay, Upper Callovian, Jurassic, Tidmoor Point, Weymouth, Dorset, UK
RARE Fossil Ammonite - Quenstedtoceras lamberti, Oxford Clay, Upper Callovian, Jurassic, Tidmoor Point, Weymouth, Dorset, UK - Image 2

RARE Fossil Ammonite – Quenstedtoceras lamberti, Oxford Clay, Upper Callovian, Jurassic, Tidmoor Point, Weymouth, Dorset, UK

£28.80

RARE Fossil Ammonite – Quenstedtoceras lamberti, from the Oxford Clay Formation, Upper Callovian Stage of the Jurassic Period. This exceptional specimen originates from the historically fossil-rich site of Tidmoor Point, Weymouth, Dorset, United Kingdom.

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

Scale Rule Squares / Cube = 1cm – Full sizing please see photo.

This is a carefully chosen fossil with the photograph showing the actual specimen you will receive.

Geological Context:

  • Species: Quenstedtoceras lamberti
  • Geological Stage: Upper Callovian
  • Biozone: Quenstedtoceras lamberti Zone (index fossil for this zone)
  • Formation: Oxford Clay
  • Age: Approx. 164–161 million years ago
  • Location Found: Tidmoor Point, Weymouth, Dorset, UK
  • Depositional Environment: Marine – low-oxygen seafloor conditions with fine clays and silts, ideal for fossil preservation.

Morphology & Notable Features:

Quenstedtoceras lamberti is recognised by its moderately involute shell with prominent ribbing and fine tubercles, forming part of the family Cardioceratidae. It typically has a compressed whorl section with sharply defined ribs and ventrolateral tubercles. These features make it an important biozonal indicator in Jurassic stratigraphy.

This specimen exhibits excellent preservation of shell morphology and detail, with strong ribbing and visible keels – typical of the genus.

Taxonomy:

  • Family: Cardioceratidae
  • Superfamily: Stephanoceratoidea
  • Order: Ammonitida
  • Class: Cephalopoda
  • Phylum: Mollusca

This species was originally formally described in the 19th century and has served as a key reference fossil in Callovian ammonite zonation work across Europe.

This fossil is not only an excellent collector’s piece but also a superb example for educational and palaeontological purposes. Its provenance from the world-famous Oxford Clay Formation and the key index status of Quenstedtoceras lamberti make it especially sought-after.

Add this genuine Jurassic ammonite to your collection today.

(Actual as seen)

Only 1 left in stock

SKU: UF4515 Category:

Description

RARE Fossil Ammonite – Quenstedtoceras lamberti, from the Oxford Clay Formation, Upper Callovian Stage of the Jurassic Period. This exceptional specimen originates from the historically fossil-rich site of Tidmoor Point, Weymouth, Dorset, United Kingdom.

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

Scale Rule Squares / Cube = 1cm – Full sizing please see photo.

This is a carefully chosen fossil with the photograph showing the actual specimen you will receive.

Geological Context:

  • Species: Quenstedtoceras lamberti
  • Geological Stage: Upper Callovian
  • Biozone: Quenstedtoceras lamberti Zone (index fossil for this zone)
  • Formation: Oxford Clay
  • Age: Approx. 164–161 million years ago
  • Location Found: Tidmoor Point, Weymouth, Dorset, UK
  • Depositional Environment: Marine – low-oxygen seafloor conditions with fine clays and silts, ideal for fossil preservation.

Morphology & Notable Features:

Quenstedtoceras lamberti is recognised by its moderately involute shell with prominent ribbing and fine tubercles, forming part of the family Cardioceratidae. It typically has a compressed whorl section with sharply defined ribs and ventrolateral tubercles. These features make it an important biozonal indicator in Jurassic stratigraphy.

This specimen exhibits excellent preservation of shell morphology and detail, with strong ribbing and visible keels – typical of the genus.

Taxonomy:

  • Family: Cardioceratidae
  • Superfamily: Stephanoceratoidea
  • Order: Ammonitida
  • Class: Cephalopoda
  • Phylum: Mollusca

This species was originally formally described in the 19th century and has served as a key reference fossil in Callovian ammonite zonation work across Europe.

This fossil is not only an excellent collector’s piece but also a superb example for educational and palaeontological purposes. Its provenance from the world-famous Oxford Clay Formation and the key index status of Quenstedtoceras lamberti make it especially sought-after.

Add this genuine Jurassic ammonite to your collection today.

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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