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: 15" Giant Lytoceras Fossil Ammonite – Ait Ouarhitane Formation, Jurassic – Alnif, Morocco – Genuine with COA
RARE: 15" Giant Lytoceras Fossil Ammonite – Ait Ouarhitane Formation, Jurassic – Alnif, Morocco – Genuine with COA - Image 2
RARE: 15" Giant Lytoceras Fossil Ammonite – Ait Ouarhitane Formation, Jurassic – Alnif, Morocco – Genuine with COA - Image 3

RARE: 15″ Giant Lytoceras Fossil Ammonite – Ait Ouarhitane Formation, Jurassic – Alnif, Morocco – Genuine with COA

Original price was: £1,200.00.Current price is: £1,020.00.

This listing features a RARE and impressive 15-inch Lytoceras fossil ammonite, originating from the Ait Ouarhitane Formation, near Alnif, Morocco — a region world-renowned for its rich fossil-bearing strata.

Lytoceras is a genus of extinct ammonoid cephalopods that thrived in the Middle Jurassic, part of the subclass Ammonoidea and order Lytoceratida. These organisms were fast-swimming marine predators with complexly suture-lined, planispiral shells. This specimen displays the classic evolute shell morphology characteristic of the genus, with gently uncoiling whorls and finely ribbed ornamentation.

  • Fossil Type: Ammonite (Cephalopod)
  • Genus: Lytoceras
  • Formation: Ait Ouarhitane Formation
  • Geological Period: Middle Jurassic (approx. 174 – 163 million years ago)
  • Location: Alnif, Morocco
  • Shell Morphology: Evolute, smooth to weakly ribbed, with intricate sutures
  • Size: 15 inches (Please see photo with scale cube = 1cm)
  • Depositional Environment: Marine sediments – shallow epicontinental sea conditions
  • Family: Lytoceratidae
  • Superfamily: Lytoceratoidea
  • Order: Lytoceratida

This specimen is expertly preserved and presents beautifully, with a naturally occurring aesthetic ideal for display. It has been carefully selected and comes exactly as shown in the listing photo — you will receive the exact fossil displayed.

 

Why This Fossil Is Special:

Large Lytoceras specimens of this quality and size are extremely rare. The Moroccan deposits provide exceptional preservation, making this piece a standout collector’s item or striking natural décor piece for fossil enthusiasts, interior designers, or educators.

 

What You Will Receive:

  • 1 x 15″ Lytoceras Fossil Ammonite (exact specimen shown)
  • Certificate of Authenticity
  • Secure, protective packaging

 

Guaranteed Authenticity:

All of our fossils are 100% genuine specimens and include a Certificate of Authenticity.

 

Note:

  • Please see photographs for scale (1cm cube included)
  • This is a natural fossil – no restorations or composites

 

(Actual as seen)

Includes a fully hand-signed Premium Certificate of Authenticity.

Only 1 left in stock

SKU: MG6005 Categories: ,

Description

This listing features a RARE and impressive 15-inch Lytoceras fossil ammonite, originating from the Ait Ouarhitane Formation, near Alnif, Morocco — a region world-renowned for its rich fossil-bearing strata.

Lytoceras is a genus of extinct ammonoid cephalopods that thrived in the Middle Jurassic, part of the subclass Ammonoidea and order Lytoceratida. These organisms were fast-swimming marine predators with complexly suture-lined, planispiral shells. This specimen displays the classic evolute shell morphology characteristic of the genus, with gently uncoiling whorls and finely ribbed ornamentation.

  • Fossil Type: Ammonite (Cephalopod)
  • Genus: Lytoceras
  • Formation: Ait Ouarhitane Formation
  • Geological Period: Middle Jurassic (approx. 174 – 163 million years ago)
  • Location: Alnif, Morocco
  • Shell Morphology: Evolute, smooth to weakly ribbed, with intricate sutures
  • Size: 15 inches (Please see photo with scale cube = 1cm)
  • Depositional Environment: Marine sediments – shallow epicontinental sea conditions
  • Family: Lytoceratidae
  • Superfamily: Lytoceratoidea
  • Order: Lytoceratida

This specimen is expertly preserved and presents beautifully, with a naturally occurring aesthetic ideal for display. It has been carefully selected and comes exactly as shown in the listing photo — you will receive the exact fossil displayed.

 

Why This Fossil Is Special:

Large Lytoceras specimens of this quality and size are extremely rare. The Moroccan deposits provide exceptional preservation, making this piece a standout collector’s item or striking natural décor piece for fossil enthusiasts, interior designers, or educators.

 

What You Will Receive:

  • 1 x 15″ Lytoceras Fossil Ammonite (exact specimen shown)
  • Certificate of Authenticity
  • Secure, protective packaging

 

Guaranteed Authenticity:

All of our fossils are 100% genuine specimens and include a Certificate of Authenticity.

 

Note:

  • Please see photographs for scale (1cm cube included)
  • This is a natural fossil – no restorations or composites

 

Additional information

Era

Jurassic
Origin

Morocco

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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