Catopygus mississippiensis Fossil Echinoid – Eocene Castle Hayne Formation – North Carolina USA – Genuine with Certificate

Description Offered here is a genuine fossil of the echinoid species Catopygus mississippiensis, sourced from the Castle Hayne Formation near New Bern, North Carolina, USA. This well-preserved echinoid dates back to the Eocene Epoch and is a fine example of a North American irregular echinoid. The photos show the actual specimen you will receive, with a 1cm scale cube included; please refer to the image for full sizing. Species & Classification: Species: Catopygus mississippiensis Type: Fossil Echinoid (Irregular Sea Urchin) Family: Catopygidae Order: Cassiduloida Super Family: Cassiduloidea Phylum: Echinodermata Kingdom: Animalia Geological & Stratigraphic Context: Geological Period: Paleogene Epoch: Eocene (Middle Eocene) Formation: Castle Hayne Formation Locality: New Bern, North Carolina, USA Depositional Environment: Shallow marine carbonate platform with warm, tropical waters typical of the Eocene Southeastern United States Morphological Features: Slightly domed, rounded test with an off-centre periproct (anus) Broadly oval in outline, with faint ambulacral areas Adapted for shallow infaunal life (burrowing) in soft marine sediments Preserved growth lines and potential surface tubercles where spines would have attached Notable Facts: Catopygus mississippiensis is a classic index species for mid-Eocene deposits in the southeastern United States. Specimens from the Castle Hayne Formation are well-known for their good preservation due to the limestone matrix. These echinoids provide important information about marine biodiversity and paleoecology during the Paleogene. Why Buy From Us? 100% genuine fossil, responsibly collected from known localities Supplied with a Certificate of Authenticity You receive the exact specimen pictured Chosen for preservation quality, clarity, and collector/display value This Catopygus mississippiensis fossil echinoid is a superb representation of ancient marine life from the Eocene epoch of North America. A perfect addition for collectors, educators, or anyone passionate about Earth’s natural history.