Description This listing features a genuine Holectypus depressus fossil echinoid from the Inferior Oolite Formation, collected from Burton Bradstock, Dorset, England. This Middle Jurassic echinoid is presented in excellent detail and preservation. The specimen in the photograph is the exact one you will receive. For size reference, a scale cube (1cm) is included in the image. Please refer to the photo for full dimensions. Species & Classification: Species: Holectypus depressus Type: Fossil Echinoid (Sea Urchin) Family: Holectypidae Order: Holectypoida Super Family: Holectypoidea Phylum: Echinodermata Geological & Stratigraphic Context: Formation: Inferior Oolite Stage: Bajocian (Middle Jurassic) Age: Approx. 170 million years old Location: Burton Bradstock, Dorset, England Depositional Environment: Shallow marine carbonate platform; the Inferior Oolite was deposited in warm, shallow seas rich in marine life. Morphological Features: Holectypus depressus is a flattened, disc-shaped echinoid with bilateral symmetry and a central peristome (mouth). The test (shell) exhibits petaloid ambulacra and is often found partially or fully preserved in fine-grained limestone or oolitic matrix. Notable Facts: The Holectypus genus is commonly associated with the Jurassic of Europe, and specimens from Dorset are particularly sought after. This species helps paleontologists reconstruct Jurassic marine environments and echinoid evolutionary history. Who Formally Identified It: First formally described by E. Forbes in the 19th century. Why Buy From Us? 100% authentic natural fossil, ethically sourced Includes Certificate of Authenticity Photo shows actual specimen for sale Carefully chosen for display quality and educational value This fossil echinoid is ideal for collectors, educators, and enthusiasts of marine paleontology and Jurassic life. Add a genuine piece of Earth’s ancient history to your collection today.
