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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Perisphinctes Ammonite Fossil – Lower Jurassic Marine Cephalopod – Tulear, Madagascar – 100% Genuine with Certificate
Perisphinctes Ammonite Fossil – Lower Jurassic Marine Cephalopod – Tulear, Madagascar – 100% Genuine with Certificate - Image 2

Perisphinctes Ammonite Fossil – Lower Jurassic Marine Cephalopod – Tulear, Madagascar – 100% Genuine with Certificate

£48.00

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

**Please note: Some Fossils maybe propped up for photo purposes**

 

Name: Perisphinctes

Specimen: Ammonite

Age: Lower Jurassic

Location: Tulear, Madagascar

Size (picture scale cube=1cm): 90 x 73 x 25mm (3.54 x 2.87 x 0.98 inches)

 

Mesmerizing Perisphinctes Ammonite Fossil – A Window into the Ancient Seas!

 

Travel back in time with the remarkable Perisphinctes Ammonite Fossil, an extinct genus of ammonite cephalopod that flourished approximately 163 million years ago during the lower Jurassic period.

 

Ammonites, known for their distinct spiral-shaped shells, are among the most iconic and recognizable fossils in the world. Despite their resemblance to snail shells, these intriguing creatures are not related to snails at all. Ammonites were marine animals that inhabited the seas between 240 and 65 million years ago. While they may bear resemblance to modern-day nautiluses, these molluscs are actually more closely related to living coleoids, such as octopuses, squid, and cuttlefish!

 

The size variation among ammonites is truly astonishing, ranging from mere millimeters to colossal fossils measuring an incredible 8 feet 96 inches in diameter.

 

ACTUAL AS SEEN: The image provided represents the exact specimen you will receive. Each fossil has been meticulously hand-selected and photographed to capture its unique characteristics. While we strive to provide accurate measurements, precise dimensions can be challenging due to irregular shapes. Please note that colors may vary under different lighting conditions, from sunlight to indoor settings, and across various monitors and devices. Once this particular specimen is sold, we will update the listing with a new, similar selected item. This includes a fresh photo and updated dimensions, ensuring that every purchase remains unique.

 

To ensure a comprehensive record, we retain images of each item we upload. We recommend saving or screenshotting the item image as soon as you purchase it for your own reference. This will serve as a valuable comparison tool once the item arrives in the mail.

 

Immerse yourself in the wonders of the ancient seas with this authentic Perisphinctes Ammonite Fossil. Own a piece of natural history and marvel at the intricate beauty preserved within this remarkable relic.

(Actual as seen)

Only 1 left in stock

SKU: FP9700 Category:

Description

For sale is a genuine fossil specimen of Perisphinctes, an extinct genus of ammonite, discovered in the Lower Jurassic limestone beds of Tulear, Madagascar. This beautifully preserved fossil provides a window into the life of the Jurassic seas, dating back roughly 163 to 157 million years ago.

Ammonites are among the most iconic and scientifically important fossils on Earth. Though often mistaken for snails due to their coiled shells, ammonites were in fact marine cephalopods—close relatives of modern squid, cuttlefish, and octopuses. Perisphinctes is easily recognised by its ribbed, planispiral shell and is a hallmark of Jurassic marine fossil beds.

Geological Background: The Lower Jurassic period was a time of marine expansion and biodiversity, especially for ammonoids. Madagascar’s Tulear region is renowned for its rich deposits of marine fossils from this era, preserved in fine-grained sedimentary limestone. These unique conditions allowed for the exquisite mineralisation of ammonite shells, often preserving fine details and sometimes resulting in subtle natural mineralisation or coloration.

Key Features:

  • Genus: Perisphinctes (extinct ammonite)
  • Fossil Type: Ammonite shell
  • Geological Period: Lower Jurassic (~163–157 million years ago)
  • Formation/Region: Tulear, Madagascar
  • Condition: Naturally preserved, may be partially polished to enhance detail
  • Authenticity: 100% genuine fossil, supplied with a Certificate of Authenticity
  • Photo: You will receive the exact specimen shown
  • Scale: 1cm cube in the photo for accurate size reference

Please Note: Some fossils may be propped up for photography. All measurements are as accurate as possible, but minor variation may occur due to natural irregularities in shape. Colours may differ slightly depending on lighting, device screens, and photography conditions.

Scientific and Aesthetic Value: Ammonites were fast-swimming, predatory molluscs that occupied diverse ecological niches in the oceans of the Mesozoic Era. Their widespread distribution and rapid evolution make them valuable index fossils for dating sedimentary rock layers. The specimen for sale is a high-quality representative of the Perisphinctes genus, ideal for both educational and decorative purposes.

Display and Documentation:

  • Once this specimen is sold, the listing will be updated with a new hand-selected item and fresh photos.
  • Images are retained for internal documentation; however, we recommend buyers save or screenshot their specimen photo after purchase for personal reference.

Whether you’re a dedicated collector, an educator, or simply someone captivated by ancient marine life, this authentic Perisphinctes ammonite fossil is a captivating piece of natural history.

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

Fast & Secure Shipping – Professionally packaged to ensure your specimen arrives in perfect condition.

Bring a piece of the ancient ocean into your collection with this stunning Perisphinctes ammonite fossil from Madagascar.

 

Additional information

Weight 50 g
Era

Cretaceous
Origin

Madagascar

Cretaceous Information

The Cretaceous Period (145–66 million years ago) was the final era of the Mesozoic, marked by the dominance of dinosaurs and the rise of flowering plants. It had a warm, greenhouse climate, with high sea levels that created vast shallow inland seas. Marine life flourished, including mosasaurs, ammonites, and rudist reefs, while the land was ruled by iconic dinosaurs like Tyrannosaurus rex, Triceratops, and Spinosaurus. Mammals and birds diversified, and insects thrived. The period ended with the mass extinction event, likely caused by an asteroid impact, wiping out the dinosaurs and paving the way for the rise of mammals in the Cenozoic.

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