元の行列上のウニ - 化石骨格 - Clypeaster sp. - 15.5 cm - 12.5 cm (No reserve price)





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Clypeaster sp., a sea urchin specimen on its original matrix from the Miocene of Egypt, with a width of 12.5 cm, height of 15.5 cm, depth 4.2 cm and weight 580 g, in natural condition.
Description from the seller
Fossil Sand Dollar (Clypeaster sp.) on Original Matrix – Miocene – Egypt
A beautifully preserved fossil sand dollar (Clypeaster sp.) preserved on its original sedimentary matrix, dating to the Miocene Epoch and originating from Egypt. This elegant echinoid is naturally embedded within the surrounding limestone, creating an attractive display that combines scientific interest with natural beauty.
The fossil itself measures 8.6 × 8.4 cm and displays the distinctive five-petaled ambulacral pattern characteristic of fossil echinoids. The fine petaloid structures remain clearly visible across the test, producing the remarkable flower-like symmetry that has made these fossils highly sought after by collectors for generations.
The specimen remains firmly attached to its original matrix, preserving its natural geological context. The contrast between the smooth fossilized test and the rough surrounding rock enhances the visual impact while providing an authentic glimpse into the shallow marine environment in which this ancient sea urchin lived millions of years ago.
Natural weathering, subtle mineral staining, and minor geological fractures are consistent with the fossilization process and add authenticity without detracting from the specimen's overall aesthetic appeal. The fossil is presented on a transparent display stand, ready for exhibition.
A classic Miocene echinoid combining elegant preservation, natural symmetry, and original matrix, making it an excellent addition to any fossil collection, cabinet of curiosities, or natural history display.
Seller's Story
Fossil Sand Dollar (Clypeaster sp.) on Original Matrix – Miocene – Egypt
A beautifully preserved fossil sand dollar (Clypeaster sp.) preserved on its original sedimentary matrix, dating to the Miocene Epoch and originating from Egypt. This elegant echinoid is naturally embedded within the surrounding limestone, creating an attractive display that combines scientific interest with natural beauty.
The fossil itself measures 8.6 × 8.4 cm and displays the distinctive five-petaled ambulacral pattern characteristic of fossil echinoids. The fine petaloid structures remain clearly visible across the test, producing the remarkable flower-like symmetry that has made these fossils highly sought after by collectors for generations.
The specimen remains firmly attached to its original matrix, preserving its natural geological context. The contrast between the smooth fossilized test and the rough surrounding rock enhances the visual impact while providing an authentic glimpse into the shallow marine environment in which this ancient sea urchin lived millions of years ago.
Natural weathering, subtle mineral staining, and minor geological fractures are consistent with the fossilization process and add authenticity without detracting from the specimen's overall aesthetic appeal. The fossil is presented on a transparent display stand, ready for exhibition.
A classic Miocene echinoid combining elegant preservation, natural symmetry, and original matrix, making it an excellent addition to any fossil collection, cabinet of curiosities, or natural history display.

