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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British Trilobite Ogyginus Fossil Partial Ordovician Wales Display Specimen With Stand Upper Gilwern Quarry Llanvirn Series UK Certificate
British Trilobite Ogyginus Fossil Partial Ordovician Wales Display Specimen With Stand Upper Gilwern Quarry Llanvirn Series UK Certificate - Image 2

British Trilobite Ogyginus Fossil Partial Ordovician Wales Display Specimen With Stand Upper Gilwern Quarry Llanvirn Series UK Certificate

Original price was: £9.00.Current price is: £6.30.

Step back in time with this exceptional partial fossil of a British Trilobite (Ogyginus), originating from the historic Upper Gilwern Quarry in Wales, UK. This specimen hails from the Llanvirn Series of the Ordovician period, offering a unique window into ancient marine life.

Key Features:

  • Authentic Ordovician Fossil: This partial Ogyginus trilobite fossil is a genuine relic from the Ordovician era, meticulously verified and comes complete with a Certificate of Authenticity.
  • Expertly Curated: Discovered by our dedicated team member Alison on 25th March 2024, this fossil has been expertly cleaned, prepared, and treated to highlight its intricate details and preserve its integrity.
  • Display Ready: Presented on a bespoke stand, this fossil is not only an intriguing piece of prehistoric life but also a striking display piece that will captivate attention in any setting.
  • Educational Value: Ideal for educators, collectors, or enthusiasts, this fossil offers significant educational value, providing insights into the paleobiology of trilobites and their ecological role in Ordovician marine environments.
  • Gift of Heritage: With its roots in the Welsh landscape, this trilobite fossil is a piece of the geological heritage of the UK, making it a meaningful gift for anyone fascinated by natural history or geology.

In the Box:

  • 1 x Partial Ogyginus Trilobite Fossil on Stand
  • 1 x Certificate of Authenticity
  • Detailed imagery of your specific fossil

Embrace the opportunity to own a fragment of Earth’s ancient seas with this beautifully preserved partial Ogyginus trilobite fossil. Whether for study, collection, or display, this piece brings with it the intrigue and beauty of the natural world, frozen in time for millions of years.

(Actual as seen)

Only 1 left in stock

SKU: CF1363 Category:

Description

British Trilobite Fossil – Ogyginus (Partial) Llanvirn Series, Ordovician

This genuine British trilobite fossil is a partial specimen of the classic Ordovician genus Ogyginus, collected from Upper Gilwern Quarry, Wales, UK, within the Llanvirn Series of the Middle Ordovician. Supplied with a display stand, this piece is ideal for cabinet presentation and makes a highly collectable addition to any fossil or natural history collection.

The photographs show the exact specimen you will receive. Full sizing and scale are clearly visible in the images. This fossil has been carefully selected for quality and display appeal.

Discovery, Preparation & Provenance

This specimen was discovered by our own team members, Alister and Alison, on 02 April 2024 at Upper Gilwern Quarry. Following recovery, it was meticulously cleaned, prepped, and treated by Alison, ensuring that the fossil’s natural morphology is clearly revealed while preserving the integrity of the surrounding matrix.

The fossil is a genuine prehistoric specimen and includes a Certificate of Authenticity lifetime guarantee generic card, confirming its authenticity and documented provenance.

Fossil Identification & Scientific Classification

  • Phylum: Arthropoda

  • Class: Trilobita

  • Order: Asaphida

  • Superfamily: Asaphoidea

  • Genus: Ogyginus

  • Age: Middle Ordovician

  • Stratigraphy: Llanvirn Series

  • Locality: Upper Gilwern Quarry, Wales, United Kingdom

Trilobites were extinct marine arthropods that thrived in Paleozoic seas for over 250 million years. The genus Ogyginus is one of the characteristic Welsh Ordovician trilobites and is frequently recorded from Middle Ordovician marine deposits.

Ogyginus typically displays a broad, semicircular cephalon, a defined glabella, crescent-shaped compound eyes, and a segmented thorax with articulated axial and pleural lobes. Even as a partial specimen, important anatomical features may be visible, such as sections of the cephalon, thoracic segments, and pygidium. The original calcitic exoskeleton contributed to its fossilisation potential, allowing fine structural detail to be preserved.

Geological Context – Llanvirn Stage, Middle Ordovician

During the Middle Ordovician, approximately 465–470 million years ago, Wales formed part of a marine environment situated along the margins of the ancient continent of Avalonia. Warm, shallow seas covered much of the region, supporting a diverse marine ecosystem.

Sediments deposited in these marine settings accumulated as mudstones and shales, creating the stratigraphic units now known as the Llanvirn Series. Rapid burial in fine sediment promoted fossil preservation, particularly of trilobites, brachiopods, and graptolites. Upper Gilwern Quarry is recognised as a classic Welsh locality within these Ordovician successions, yielding significant trilobite material that contributes to regional biostratigraphic understanding.

Owning a specimen from this formation represents a tangible connection to one of Britain’s most important Paleozoic marine intervals.

Display & Collecting Appeal

This British Ogyginus trilobite fossil is ideal for:

  • Collectors of Welsh and Ordovician fossils

  • Trilobite specialists and Paleozoic enthusiasts

  • Educational study of trilobite morphology and arthropod evolution

  • Natural history display in home, office, or classroom settings

  • Gifts for geology and palaeontology collectors

The included stand allows immediate display, highlighting the fossil’s natural form and matrix contrast.

Purchase Confidence

  • Genuine British trilobite fossil (Ogyginus)

  • Middle Ordovician, Llanvirn Series

  • Upper Gilwern Quarry, Wales, UK

  • Discovered 02 April 2024 by Alister and Alison

  • Cleaned, prepped, and treated by Alison

  • Includes Certificate of Authenticity lifetime guarantee generic card

  • Supplied with display stand

  • Exact specimen shown in photographs

A well-presented and authentically sourced Welsh trilobite fossil, combining scientific significance, documented provenance, and excellent display character.

Additional information

Weight 0.1 g
Dimensions 10 × 10 × 10 cm
Era

Ordovician
Origin

United Kingdom

Ordovician Information

The Ordovician Period (485–443 million years ago) was a time of marine expansion and biodiversity growth, following the Cambrian Explosion. Warm, shallow seas covered much of the continents, supporting trilobites, brachiopods, corals, and the first true reefs. Jawless fish (early vertebrates) diversified, and the first sea scorpions (eurypterids) became dominant predators. On land, the first primitive plants (moss-like bryophytes) began colonizing damp environments. The climate was initially warm, but by the late Ordovician, a major ice age caused a drastic drop in sea levels, triggering the Ordovician-Silurian mass extinction, which wiped out nearly 85% of marine species. Despite this, the period laid the foundation for the rise of more complex ecosystems in the Silurian.

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