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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Polished Ammonite Fossil Half - Madagascar Cretaceous Specimen - Colourful Chambered Shell - Authentic Fossil with COA

Polished Ammonite Fossil Half – Madagascar Cretaceous Specimen – Colourful Chambered Shell – Authentic Fossil with COA

Original price was: £16.80.Current price is: £11.76.

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

**Please note: Some of our fossils maybe propped up for photo purposes**

Specimen: Ammonite

Age: Cretaceous

Location: Madagascar

Size (picture scale cube=1cm):   56 x 10 x 45mm (2.2 x 0.39 x 1.77 inches)

This lovely Ammonite comes as a single sectioned side, showing the amazing colourful internal chambers of the fossil. These Ammonites make beautiful display pieces, and are highly sought after.

**The image shows the actual specimen you will receive**

**Please note the following:

1) This items picture will change once we update the listing to a new replacement specimen after this specific item has been sold, this action will cause the picture in your purchase history to also change to the new image.

2) The picture will also change if you’ve had the item in your basket for a while and someone else buys it during that period (having items stored in your basket does not remove that listing from the view of other customers, meaning it will still be active on eBay).

3) We would suggest saving, or taking a screenshot of the items image as soon as you have purchased it for your own records of comparison for once the item has been received in the post. We also keep a record of every image we upload.

(Actual as seen)

Only 1 left in stock

SKU: FP9766 Category:

Description

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

Please note: Some of our fossils may be propped up for photo purposes.

Specimen: Ammonite Fossil Half

Age: Cretaceous Period (~145 to 66 million years ago)

Location: Madagascar

Scale cube = 1cm: Full sizing – please see photo

This stunning fossil is a polished half of an Ammonite, a now-extinct marine mollusc that lived during the Cretaceous period. Ammonites are renowned for their beautiful, spiral-shaped shells and are some of the most instantly recognisable fossils in the world. These ancient cephalopods thrived in oceans around the globe, with Madagascar being one of the richest and most vibrant fossil localities.

What makes this specimen particularly special is its presentation. It has been expertly sliced and polished to reveal the intricate internal chamber structure that once served as gas-filled compartments to help the creature control its buoyancy in the water. The polished interior often displays warm earthy tones—yellows, reds, oranges, and browns—with occasional crystallisation within the chambers, making it both scientifically fascinating and visually captivating.

Ammonites are more closely related to modern-day squid, octopus, and cuttlefish than to shelled creatures like snails. They are a staple in fossil collections, both for their scientific significance and their aesthetic appeal.

These pieces are perfect for fossil collectors, home decor, educational use, or as a gift for anyone who appreciates the natural world.

ACTUAL AS SEEN:

The image shows the EXACT specimen you will receive. This fossil has been carefully hand-selected and professionally photographed. Measurements are as accurate as possible, though precise measuring of irregularly shaped fossils may vary slightly.

Colour Disclaimer:

Colours may differ slightly based on lighting (sunlight or indoor) and screen settings (monitor, mobile device, etc.). We strive to portray colours as close to real life as possible.

Important Notes:

  1. This item’s picture will update to a new specimen once this specific piece has been sold. This may cause the photo in your purchase history to change to the new listing image.
  2. If this item is left in your basket and another customer purchases it, the listing will update with a new specimen (basket does not reserve it).
  3. For your records, we recommend saving or screenshotting the listing image at time of purchase. We also keep a complete archive of all images used.

Additional information

Weight 1 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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