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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Ordovician Trilobite Fossil – Real Marine Arthropod from Morocco – Authentic Ancient Paleozoic Fossil with Certificate
Ordovician Trilobite Fossil – Real Marine Arthropod from Morocco – Authentic Ancient Paleozoic Fossil with Certificate - Image 2

Ordovician Trilobite Fossil – Real Marine Arthropod from Morocco – Authentic Ancient Paleozoic Fossil with Certificate

£13.20

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

 

Specimen: Trilobite

Age: Ordovician

Location: Morocco

Size (picture scale cube=1cm): 46 x 28 x 15mm (1.81 x 1.1 x 0.59 inches)

 

Trilobites (meaning ‘three lobes’) are a fossil group of extinct marine arachnomorph arthropods that form the class Trilobita. Trilobites form one of the earliest known groups of arthropods. The first appearance of trilobites in the fossil record defines the base of the Atdabanian stage of the Early Cambrian period (521 million years ago), and they flourished throughout the lower Paleozoic era before beginning a drawn-out decline to extinction when, during the Devonian, all trilobite orders except the Proetids died out. Trilobites disappeared in the mass extinction at the end of the Permian about 252 million years ago. The trilobites were among the most successful of all early animals, roaming the oceans for over 270 million years.

 

By the time trilobites first appeared in the fossil record, they were already highly diversified and geographically dispersed. Because trilobites had wide diversity and an easily fossilized exoskeleton, an extensive fossil record was left behind, with some 17,000 known species spanning Paleozoic time. The study of these fossils has facilitated important contributions to biostratigraphy, paleontology, evolutionary biology, and plate tectonics. Trilobites are often placed within the arthropod subphylum Schizoramia within the superclass Arachnomorpha (equivalent to the Arachnata), although several alternative taxonomies are found in the literature.

 

Trilobites had many lifestyles; some moved over the sea bed as predators, scavengers, or filter feeders, and some swam, feeding on plankton. Most lifestyles expected of modern marine arthropods are seen in trilobites, with the possible exception of parasitism (scientific debate continues). Some trilobites (particularly the family Olenidae) are even thought to have evolved a symbiotic relationship with sulfur-eating bacteria from which they derived food.

 

**The fossil is a carefully chosen piece with a photo that shows the actual specimen you will receive.**

(Actual as seen)

Only 1 left in stock

SKU: FP9932 Category:

Description

This listing features a genuine Trilobite Fossil from the Ordovician Period, discovered in Morocco, North Africa — a region renowned for its rich fossil beds and beautifully preserved ancient marine life.

Trilobites (from the Greek tri = three and lobos = lobes) are an extinct group of marine arthropods that lived in Earth’s oceans for over 270 million years. Their three-lobed body plan and hard exoskeletons make them some of the most recognisable and sought-after fossils for collectors and enthusiasts alike.

These arthropods were among the first known complex animals, with a fossil record that dates back to the Early Cambrian (521 million years ago). This specimen originates from the Ordovician period (approx. 485 to 443 million years ago), a time of explosive marine diversification. Trilobites were incredibly diverse, with over 17,000 known species, occupying a wide range of ecological niches.

They roamed ancient seafloors as scavengers, predators, and filter feeders, with some even believed to have had symbiotic relationships with microorganisms. Their ability to fossilize so well comes from their calcified exoskeletons, often preserving intricate details of their segments, ridges, and eye structures.

These fossils not only represent a remarkable period of Earth’s evolutionary history, but they are also invaluable to paleontologists for biostratigraphy, helping to date and understand ancient rock formations.

Item Details:

  • Specimen: Trilobite
  • Age: Ordovician Period (~485–443 million years ago)
  • Location: Morocco
  • Scale Reference: Scale cube = 1cm. Please refer to photos for full sizing
  • Certificate of Authenticity: Included

ACTUAL AS SEEN:

The image shown is of the exact specimen you will receive. Each fossil is hand-selected for quality and uniqueness, and photographed in high resolution. Please note that due to the natural variability in fossil preservation, size and colouration may vary slightly under different lighting conditions or screens.

Please Note:

  1. Some fossils may be gently propped up for photography.
  2. Once sold, the listing will be updated with a new fossil specimen and photo.
  3. We recommend saving or screenshotting your purchased item photo for your personal records, as images refresh with each new listing.

100% Genuine Fossil – Professionally Selected – Certificate of Authenticity Included

Additional information

Era

Ordovician
Origin

Morocco

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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