Holectypus depressus Fossil Echinoid – Upper Cornbrash, Middle Jurassic – Latton Quarry, Gloucestershire, UK – Genuine with Certificate

Description This listing features a genuine Holectypus depressus fossil echinoid, a classic species from the Upper Cornbrash Formation of the Middle Jurassic, collected at Latton Quarry, Gloucestershire, UK. This well-preserved echinoid (sea urchin) showcases excellent morphological features and represents one of the more recognisable fossil echinoderms from the British Jurassic record. You will receive the exact specimen pictured. Scale rule cube = 1cm. Please see images for full sizing. Species & Classification: Species: Holectypus depressus Type: Fossil Echinoid (Sea Urchin) Order: Holectypoida Family: Holectypidae Phylum: Echinodermata Geological & Stratigraphic Context: Period: Jurassic Stage: Middle Jurassic (Bathonian Stage) Formation: Upper Cornbrash Locality: Latton Quarry, Gloucestershire, United Kingdom Depositional Environment: Shallow marine environment with calcareous sedimentation, likely representing inner shelf settings rich in benthic fauna Morphological Features: Flattened, sub-oval test (shell) with faint bilateral symmetry Distinct petaloid ambulacra with reduced spination Adapted for burrowing or living just below the sediment-water interface Smooth test surface with well-preserved tubercles Notable Facts: Holectypus is a diagnostic genus within the Middle Jurassic echinoid record, common to European deposits. Its fossils provide insight into Jurassic marine substrate dynamics and bioturbation effects. Often used in educational contexts to illustrate echinoid evolution and paleoecology. Why Buy From Us? 100% genuine fossil, responsibly sourced and identified Includes a Certificate of Authenticity The actual specimen shown in the images is what you will receive Carefully selected for its preservation, clarity, and educational value This Holectypus depressus fossil echinoid is a quality specimen representing an important genus in Jurassic marine ecosystems. Perfect for collectors, educators, or anyone interested in Earth’s deep history!