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Rare micraster gosseleti fossil echinoid – cretaceous – navarra, spain – genuine certified sea urchin fossil
Rare micraster gosseleti fossil echinoid – cretaceous – navarra, spain – genuine certified sea urchin fossil - Image 2

Rare micraster gosseleti fossil echinoid – cretaceous – navarra, spain – genuine certified sea urchin fossil

£36.00

This listing features a rare and genuine Micraster gosseleti fossil echinoid, collected from Cretaceous strata in Navarra, Spain. This beautifully preserved fossil represents one of the most iconic genera of fossil echinoids that lived during the Late Cretaceous period.

Micraster was a genus of heart-shaped echinoids (sea urchins) that thrived in shallow marine environments. The species Micraster gosseleti is characteristic of Late Cretaceous chalk and marl formations and is particularly known from sites across Europe, including Spain, France, and the UK. These echinoids are easily recognised by their symmetrical, heart-shaped test, deeply incised ambulacra (grooves), and petaloid structure.

The chalk and marl formations that preserve these fossils were deposited approximately 90 to 70 million years ago, during a time when much of Europe was covered by a warm, shallow sea. The fine-grained sediment that settled in these ancient seabeds allowed for exceptional preservation of marine life, including echinoids like Micraster.

Micraster fossils provide invaluable insight into the paleoecology of the Cretaceous seas and are popular among collectors for their aesthetic and scientific value. This specimen, with its crisp preservation and provenance from Navarra, Spain, is an excellent addition to any fossil collection.

 

Item Details:

  • Species: Micraster gosseleti
  • Type: Fossil Echinoid (Sea Urchin)
  • Geological Age: Cretaceous Period (~90–70 million years ago)
  • Location Found: Navarra, Spain
  • Scale Reference: Scale rule/cube = 1cm (see photo for exact sizing)
  • Certificate of Authenticity: Included

 

ACTUAL AS SEEN: The image shows the exact fossil specimen you will receive. This piece has been professionally hand-selected and photographed. Colours and measurements may vary slightly depending on lighting and display settings. Once this item is sold, the listing will be updated with a new fossil and photo.

 

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

(Actual as seen)

Out of stock

SKU: UF3100 Category:

Description

This listing features a rare and genuine Micraster gosseleti fossil echinoid, collected from Cretaceous strata in Navarra, Spain. This beautifully preserved fossil represents one of the most iconic genera of fossil echinoids that lived during the Late Cretaceous period.

Micraster was a genus of heart-shaped echinoids (sea urchins) that thrived in shallow marine environments. The species Micraster gosseleti is characteristic of Late Cretaceous chalk and marl formations and is particularly known from sites across Europe, including Spain, France, and the UK. These echinoids are easily recognised by their symmetrical, heart-shaped test, deeply incised ambulacra (grooves), and petaloid structure.

The chalk and marl formations that preserve these fossils were deposited approximately 90 to 70 million years ago, during a time when much of Europe was covered by a warm, shallow sea. The fine-grained sediment that settled in these ancient seabeds allowed for exceptional preservation of marine life, including echinoids like Micraster.

Micraster fossils provide invaluable insight into the paleoecology of the Cretaceous seas and are popular among collectors for their aesthetic and scientific value. This specimen, with its crisp preservation and provenance from Navarra, Spain, is an excellent addition to any fossil collection.

 

Item Details:

  • Species: Micraster gosseleti
  • Type: Fossil Echinoid (Sea Urchin)
  • Geological Age: Cretaceous Period (~90–70 million years ago)
  • Location Found: Navarra, Spain
  • Scale Reference: Scale rule/cube = 1cm (see photo for exact sizing)
  • Certificate of Authenticity: Included

 

ACTUAL AS SEEN: The image shows the exact fossil specimen you will receive. This piece has been professionally hand-selected and photographed. Colours and measurements may vary slightly depending on lighting and display settings. Once this item is sold, the listing will be updated with a new fossil and photo.

 

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

Additional information

Era

Cretaceous
Origin

Spain

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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