RARE Hemicidaris intermedia Fossil Echinoid – Upper Jurassic – Dorset, UK – Genuine with Certificate

Description This listing features a rare Hemicidaris intermedia fossil echinoid, a highly sought-after species from the Upper Jurassic period, discovered in Dorset, United Kingdom. A prime example of its kind, this fossil exhibits beautiful preservation and detail, making it a remarkable piece for collectors, educators, or anyone with a passion for natural history. You will receive the exact specimen shown in the photos. Please refer to the scale cube (1cm) for full sizing. Species & Classification: Species: Hemicidaris intermedia Type: Fossil Echinoid (Sea Urchin) Order: Cidaroida Family: Hemicidaridae Phylum: Echinodermata Geological & Stratigraphic Context: Period: Jurassic Stage: Upper Jurassic (likely Kimmeridgian or Oxfordian) Locality: Dorset, England, UK Depositional Environment: Shallow marine carbonate platform; warm subtropical seas rich in benthic marine life Morphological Features: Distinctive thick test (shell) with robust tubercles for spine attachment Regular arrangement of ambulacral and interambulacral plates Globular, heavily calcified structure typical of Cidaroid echinoids Adapted for hard-substrate or reef-associated environments Notable Facts: Hemicidaris intermedia is an important biostratigraphic indicator and relatively rare compared to other Jurassic echinoids. Its sturdy structure and aesthetic symmetry make it a favourite among fossil collectors. The genus Hemicidaris was first described in the 19th century and is significant for understanding echinoid evolution during the Mesozoic. Why Buy From Us? 100% authentic fossil, responsibly sourced Comes with a Certificate of Authenticity You will receive the actual fossil depicted in the images Carefully chosen for scientific interest, quality, and display value This Hemicidaris intermedia fossil echinoid offers a rare chance to own a piece of Jurassic marine history from one of the UK’s most fossiliferous regions. A true collector’s piece with great educational and display appeal!