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Orthoceras Fossil – Genuine Devonian Cephalopod – Morocco Specimen – Polished Nautiloid with Certificate of Authenticity

Orthoceras Fossil – Genuine Devonian Cephalopod – Morocco Specimen – Polished Nautiloid with Certificate of Authenticity

Original price was: £14.40.Current price is: £12.96.

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

Name: Orthoceras

Age: Devonian

Location: Morocco

Size (picture scale cube=1cm):  79 x 33 x 13mm (3.11 x 1.3 x 0.51 inches)

 

ACTUAL AS SEEN: The image shows the EXACT specimen you will receive. The specimen has been carefully hand selected and photographed. Measurements are as accurate as possible, though be aware measuring precise dimensions can be difficult from irregular shaped items. Whilst we portray colours as close to life-like as we can, colours will vary if taken in sunlight, indoors, from monitor to monitor and device to device. Once this specimen is sold, we will update this listing with new similar selected item, with a new photo and dimensions.

(Actual as seen)

Out of stock

SKU: FP9815 Category:

Description

Available now is a beautifully preserved Orthoceras fossil, dating back to the Devonian Period—approximately 419 to 359 million years ago. This authentic specimen was sourced from Morocco, a region globally renowned for its rich fossil beds and excellent preservation of ancient marine life.

This polished fossil showcases the long, tapered shell and internal chamber structure of Orthoceras, an extinct genus of nautiloid cephalopods. These fascinating marine creatures are direct ancestors of modern-day squids, cuttlefish, and octopuses.

Fossil & Geological Information:

  • Name: Orthoceras
  • Age: Devonian Period (~419–359 million years ago)
  • Location: Morocco
  • Phylum: Mollusca
  • Class: Cephalopoda
  • Order: Orthocerida
  • Scale Cube = 1cm – Please see photo for full sizing
  • Authenticity: 100% Genuine – Includes a Certificate of Authenticity

About Orthoceras:

Orthoceras (meaning “straight horn”) was an ancient marine predator that lived during the Paleozoic Era. Unlike modern cephalopods with coiled shells (such as the nautilus), Orthoceras had a long, straight, conical shell composed of multiple internal chambers. These chambers were used to regulate buoyancy, allowing the animal to hover or sink through the water column.

These creatures likely fed on small marine organisms, using tentacles to grasp prey and a jet-propulsion mechanism to navigate ancient seas. Their fossils are most often found in black or grey limestone matrix and have become especially popular among fossil collectors due to their beautiful preservation and geometric structure.

Why Collect Orthoceras Fossils?

  • Natural history enthusiasts admire Orthoceras fossils for their age, form, and evolutionary significance.
  • They make ideal decorative specimens for homes, offices, or teaching environments.
  • Polished Orthoceras fossils are often used in jewelry, paperweights, and display pieces due to their striking, ancient design.

Morocco’s fossil-rich Devonian limestone provides an excellent medium for preserving these fossils. Many are professionally polished to bring out the contrast between the fossilised shell and the surrounding matrix, resulting in stunning natural art.

Key Features:

  • 100% genuine Orthoceras fossil
  • Dated to the Devonian Period, over 359 million years old
  • Sourced from Morocco, a premier location for Paleozoic marine fossils
  • Displays clear segmentation and central siphuncle detail
  • Comes with a Certificate of Authenticity
  • Exact specimen shown – hand-selected and professionally photographed
  • Scale cube = 1cm – please refer to the image for dimensions
  • Colour may vary depending on light conditions and screen display settings
  • Fossils may be lightly propped for photography
  • Listing will be updated with a new specimen when sold

ACTUAL AS SEEN: You will receive the exact Orthoceras specimen pictured. It has been carefully selected for its visual quality, preservation, and display appeal. While we strive to provide accurate measurements, please note that due to the irregular shape of natural fossils, some variance may occur.

Own a striking piece of Earth’s prehistoric ocean with this polished Orthoceras fossil—a timeless cephalopod from the ancient Devonian seas of Morocco. A perfect fossil for collectors, educators, or admirers of natural wonders.

Additional information

Weight 10 g
Era

Devonian
Origin

Morocco

Devonian Information

The Devonian Period (419–359 million years ago), known as the "Age of Fishes," was a time of major evolutionary advances in both marine and terrestrial life. The oceans were dominated by armored placoderm fish, early sharks, and lobe-finned fish like Tiktaalik, which had features that helped vertebrates transition to land. Coral reefs flourished, and ammonites became more diverse. On land, the first forests appeared, with early trees like Archaeopteris, leading to a drop in atmospheric carbon dioxide and climate cooling. The first tetrapods (four-legged vertebrates) began evolving from fish, marking a critical step in the evolution of amphibians. The period ended with the Devonian extinction, likely caused by ocean anoxia and climate shifts, wiping out many marine species and reshaping ecosystems.

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