Zoom russian audoliceras heteromorph ammonite fossil
Zoom russian audoliceras heteromorph ammonite fossil
Zoom russian audoliceras heteromorph ammonite fossil
Zoom russian audoliceras heteromorph ammonite fossil
Zoom russian audoliceras heteromorph ammonite fossil
Zoom russian audoliceras heteromorph ammonite fossil
Zoom russian audoliceras heteromorph ammonite fossil
Zoom russian audoliceras heteromorph ammonite fossil
Zoom russian audoliceras heteromorph ammonite fossil
Zoom russian audoliceras heteromorph ammonite fossil

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Audoliceras Heteromorph Ammonite Duo 220mm

£3,632.00 GBP

This exceptional display of the duo of Audoliceras heteromorphs ammonites sit on a stunning display of quartz crystals, which forms the matrix-bedrock. A fine opalescence shimmers throughout both specimen ammonites, contrasting gently with the suture patterns, suture palaeontology refers to these as a flowery patterning on the surface of fossil ammonites. The sutures are the growth lines of the ammonite, sutures, the fleshy muscle attachments were attached to the inner shell wall. The sutures here are an added feature of an exceptional fossilisation and preservation of the ammonite, providing a rare glimpse into the morphology of this extinct cephalopod group.

The opalescent is characteristic of this particular fossil bedrock along the Volga river, refraction of light plays a big part in the mother of pearl shimmer exhibiting an array of attractive colours. This process has been influenced by the natural nacre of the Audoliceras Heteromorph shell and by the mineralisation process that takes millions of years to develop, we're lucky to be able to see these wonderful fossils in our time. Chitin is the natural element of the shell, being the last remaining home or exoskeleton of the once-living ammonite. The chitin undergoes a metamorphosis as minerals around the deposited shell, in the fossil bed region are absorbed and transform the chitin into these wonderful fossilised shells which basically transform into limestone. Permineralisation is the term used to describe the process after petrification of the ammonite animal which creates this effect. A truly unique event the naturally formed fossil, on quartz and limestone bed.

Audoliceras Heteromorph Ammonite Duo, the two iridescent fossilised shells from the once extant free-swimming cephalopoda. Found alongside the Volga river region in Russia these very recognisable ammonites have the appealing and rare nacre of iridescence which defines the fossil deposition of the area. A fascinating natural event which has preserved these two impressive fossil specimens through to today.

Genus: Audoliceras heteromorphs.
Age: Mesozoic era, Cretaceous period, 135to 65 million years.
Origin: Volga river formation, Saratov, Ulyanovsk region, Russia.

Right Audoliceras heteromorph measurements.
Length: 22 cm
Width: 5.2 cm

Left Audoliceras heteromorph measurements.
Length: 20.3 cm
Width: 5.2 cm

Overall measurements.
Height: 24 cm
Width: 34.5 cm
Depth: 20.5 cm

Approximate weight: 9,000 Kg

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For Next-Day delivery, Please contact us before 11:00AM - availability is limited to processing times and time of enquiry.

For more information on Returns please see our Returns Policy. Some Exclusions Apply. Learn more about Thefossilstore.com delivery options and Returns Policy.

Please note, for UK orders - small products usually arrive within 3 - 5 business days.
Large products usually arrive within 4 - 10 business days, this may vary if your item/s require special packaging requirements based on size and to improve the safety of your item/s. For deliveries outside of the UK, please see our Delivery and Returns.

✓ Free UK Delivery

✓ Free standard UK delivery - Recorded/Signed-for

All UK orders include free delivery, excluding Ireland, Scotland and the Highlands.

✓ Worldwide Delivery

✓ Worldwide delivery - Tracked/Signed-for

All orders outside the United Kingdom are tracked for you to follow. Please contact us and include your delivery address, including the item/s of interest for delivery estimates.

✓ Authenticity Guaranteed

✓ Certificate of authenticity included


You will receive a certified certificate signed on behalf of The Fossil Store. We only provide authentic, high quality assured fossil and mineral specimens.

✓ Specify Delivery Date

✓ Specify Delivery Date - contact us with your preferred delivery date to see if we can accommodate you. You can do this here on our Contact Form.

We shall accommodate you where possible - certain products require longer leading times to delivery due to custom packaging , bespoke crate and pallet builds to guarantee a secure delivery.

If available, will offer the option to select a day and a one-hour time slot depending on availability - your oder will be assigned to DPD Precise or to an alternate courier once your order is confirmed through our checkout.

For Next-Day delivery, Please contact us before 11:00AM - availability is limited to processing times and time of enquiry.

For more information on Returns please see our Returns Policy. Some Exclusions Apply. Learn more about Thefossilstore.com delivery options and Returns Policy.

Please note, for UK orders - small products usually arrive within 3 - 5 business days.
Large products usually arrive within 4 - 10 business days, this may vary if your item/s require special packaging requirements based on size and to improve the safety of your item/s. For deliveries outside of the UK, please see our Delivery and Returns.

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