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Handcrafted Blue John Jewellery

Double Fish Wyoming - USA

Fossil Fossil



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Its disk-like shape, similar to that of a perch, gives it a different look from the other species found in the lakes. Perhaps Priscacara may be restricted to the Eocene as suggested by lack of fossils from other geological series.

Priscacara most likely lived in schools and fed on gastropods and crustaceans. Its spines may have evolved to inhibit predation by the voracious Diplomystus and Phareodus. It was a medium-small fish (10 to 15 cm long) but could reach up to 40cm in length. It is very common in the lakes but it is rare in sand-rich layers.

Specimen: Priscacara sp.
Period: Eocene
Age: 55 million years ago
Location: Wyoming - USA
Fossil dimension inch. 13.7 x 10.6 cm 35 x 27

This specimen is guaranteed 100% authentic and accompanied by Certificate of Origin and Authenticity.

Should you require further images or details of this specimen (Code 11) – we can also supply video footage – please contact our team on 01246 550200, email info@bluejohngallery.co.uk




Delivery & Returns


In addition to our 30 day returns policy all items purchased from 7th October 2021 may now be returned for either an exchange or full refund up until January 14th 2022. Standard terms apply.


We offer a Free UK next day delivery service on all orders over £75, in stock items will be dispatched same day when ordered before 4pm. All items are dispatched using a Royal Mail fully tracked and signed for delivery service.

Alternatively you may choose to upgrade the delivery of your items to a priority service by selecting Pre-9am Royal Mail express delivery in the checkout.


We offer worldwide shipping, charges will be calculated in the checkout for deliveries outside of the UK.

For more information about our delivery services available, contact us on 01433 620472 or email us at sales@bluejohngallery.co.uk.

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