Hemiaster Fossil Echinoid – Cretaceous – Spain – Genuine Sea Urchin with Certificate
£ 6.90
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: EchinodermataGeological & 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 appealThis 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.
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: EchinodermataGeological & 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 appealThis 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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