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Hemiaster Fossil Echinoid – Cretaceous – Spain – Genuine Sea Urchin with Certificate
£9.00 Original price was: £9.00.£8.10Current price is: £8.10.
Offered here is a genuine Hemiaster fossil echinoid from the Cretaceous period, discovered in Spain. This echinoid (sea urchin) is well-preserved, displaying the typical heart-shaped form associated with the genus Hemiaster. The fossil in the photograph is the exact specimen you will receive. A 1cm scale cube is shown for reference; please refer to the image for full sizing.
Species & Classification:
- Species: Hemiaster sp.
- Type: Fossil Echinoid (Sea Urchin)
- Family: Schizasteridae
- Order: Spatangoida
- Super Family: Spatangoidea
- Phylum: Echinodermata
Geological & Stratigraphic Context:
- Geological Period: Cretaceous
- Age: Approx. 66–100 million years old (exact stage unspecified)
- Location: Spain
- Depositional Environment: Hemiaster echinoids are typically associated with soft, fine-grained marine sediments, deposited in shallow to moderately deep shelf environments with low energy.
Morphological Features:
- Characterised by a heart-shaped, bilaterally symmetrical test (shell), often with a distinct anterior groove (petalodium) and prominent peristome.
- Adapted for burrowing in soft sediment, with a flattened underside and well-developed petaloid ambulacra.
Notable Facts:
- Hemiaster echinoids are important biostratigraphic markers and serve as useful indicators of Cretaceous marine environments in Europe.
- Their excellent preservation and aesthetic form make them desirable for both scientific and display purposes.
Why Buy From Us?
- 100% genuine fossil, ethically sourced
- Comes with a Certificate of Authenticity
- You will receive the exact fossil shown in the images
- Selected for its clarity, completeness, and visual appeal
This Hemiaster fossil echinoid is a striking and scientifically valuable specimen, perfect for collectors, educational use, or as a unique natural display piece. Add a beautiful example of Cretaceous marine life to your collection today.
(Actual as seen)
Only 1 left in stock
Description
Offered here is a genuine Hemiaster fossil echinoid from the Cretaceous period, discovered in Spain. This echinoid (sea urchin) is well-preserved, displaying the typical heart-shaped form associated with the genus Hemiaster. The fossil in the photograph is the exact specimen you will receive. A 1cm scale cube is shown for reference; please refer to the image for full sizing.
Species & Classification:
- Species: Hemiaster sp.
- Type: Fossil Echinoid (Sea Urchin)
- Family: Schizasteridae
- Order: Spatangoida
- Super Family: Spatangoidea
- Phylum: Echinodermata
Geological & Stratigraphic Context:
- Geological Period: Cretaceous
- Age: Approx. 66–100 million years old (exact stage unspecified)
- Location: Spain
- Depositional Environment: Hemiaster echinoids are typically associated with soft, fine-grained marine sediments, deposited in shallow to moderately deep shelf environments with low energy.
Morphological Features:
- Characterised by a heart-shaped, bilaterally symmetrical test (shell), often with a distinct anterior groove (petalodium) and prominent peristome.
- Adapted for burrowing in soft sediment, with a flattened underside and well-developed petaloid ambulacra.
Notable Facts:
- Hemiaster echinoids are important biostratigraphic markers and serve as useful indicators of Cretaceous marine environments in Europe.
- Their excellent preservation and aesthetic form make them desirable for both scientific and display purposes.
Why Buy From Us?
- 100% genuine fossil, ethically sourced
- Comes with a Certificate of Authenticity
- You will receive the exact fossil shown in the images
- Selected for its clarity, completeness, and visual appeal
This Hemiaster fossil echinoid is a striking and scientifically valuable specimen, perfect for collectors, educational use, or as a unique natural display piece. Add a beautiful example of Cretaceous marine life to your collection today.
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