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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Silver/grey ammonite fossil – iridescent whole specimen from madagascar – cretaceous period – natural marine cephalopod – coa
Silver/grey ammonite fossil – iridescent whole specimen from madagascar – cretaceous period – natural marine cephalopod – coa - Image 2

Silver/grey ammonite fossil – iridescent whole specimen from madagascar – cretaceous period – natural marine cephalopod – coa

£57.60

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

Specimen: Silver/Grey Ammonite

Age: Cretaceous

Location: Madagascar

Size (picture scale cube=1cm): 96 x 29 x 80mm (3.78 x 1.14 x 3.15 inches)

Ammonites are one of the most recognisable fossils around, this is due to their familiar spiral shape shell, reminiscent of what we know as a snail shell, though these creatures are not related to snails at all! They were marine animals, present between 240 – 65 million years ago, who had a coiled external shell similar to that of the modern nautilus, and although they resembled a modern day nautilus, these molluscs are more closely related to living coleoids (i.e. octopuses, squid, and cuttlefish!)

These beautiful whole Ammonites have an amazing colourful pearlescent shimmer to them.

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)

Only 1 left in stock

SKU: FP9733 Category:

Description

This listing features a beautiful Silver/Grey Whole Ammonite Fossil from Madagascar, dating to the Cretaceous Period, approximately 145 to 66 million years ago. Ammonites are among the most instantly recognisable of all fossils, known for their distinctive spiral-shaped shells which bear a striking resemblance to modern snail shells—although they are, in fact, unrelated.

Ammonites were marine molluscs with coiled external shells. Although they looked similar to today’s nautilus, they are more closely related to the modern squid, octopus, and cuttlefish—collectively known as coleoids. These ancient creatures lived in the world’s oceans for millions of years, and their fossils have been discovered on every continent.

This particular specimen is notable for its gorgeous silver/grey coloration and pearlescent iridescent sheen, which catches the light beautifully. Madagascan ammonites are celebrated for their exceptional preservation and natural beauty, often found in limestone matrices which enhance their stunning detail.

This whole fossil ammonite is a fascinating piece of natural history, ideal for fossil collectors, geology enthusiasts, or those looking for a unique and scientifically significant decorative piece.

Item Details:

  • Specimen: Silver/Grey Whole Ammonite
  • Age: Cretaceous Period (approx. 145–66 million years ago)
  • Location Found: Madagascar
  • Size Reference: See scale cube (1cm) in photo
  • Certificate of Authenticity: Included

ACTUAL AS SEEN:

The image shows the EXACT specimen you will receive. This ammonite has been carefully hand-selected and photographed. Sizing is as accurate as possible, but please note irregular fossil shapes may vary slightly.

Colour may vary slightly depending on lighting, photography, or your screen. Once this specific fossil is sold, the listing will be updated with a new specimen and updated photos.

Please Note:

  • Some fossils may be propped up for photographic purposes.
  • Stand not included.
  • We recommend saving or screenshotting the product image once purchased for reference. We also retain our original image records.

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

Additional information

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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