RARE 9.5″ Fossil Ammonite Euomphaloceras euomphalus | Middle Cenomanian Chalk | Cretaceous | Glynde, Sussex UK | Alice Purnell Collection

Description This listing features a RARE 9.5″ fossil ammonite, Euomphaloceras euomphalus, from the Middle Cenomanian Stage of the Cretaceous Period, unearthed from the chalk deposits of Glynde, Sussex, United Kingdom. Sourced from the esteemed Alice Purnell Collection, this large and robust ammonite represents a scientifically significant and highly collectible specimen.   Geological & Palaeontological Details: Species: Euomphaloceras euomphalus Geological Period: Cretaceous Geological Stage: Middle Cenomanian (~96 to 94 million years ago) Locality: Glynde, Sussex, United Kingdom Depositional Environment: Deeper marine chalk basin with low-energy pelagic conditions Order: Ammonitida Superfamily: Acanthoceratoidea Family: Acanthoceratidae Biozone (typical): Associated with the Mantelliceras dixoni and Acanthoceras rhotomagense biozones Identification: First described by Spath (1926), this species has been used in correlation of European Cenomanian successions due to its distinctive morphology and stratigraphic precision   Morphological Features: Evolute shell with a broad umbilicus Bold, strong ribs with pronounced tubercles Flattened whorl flanks and a broad venter with subtle keel Exceptional chalk matrix preservation with clear ornamental detail   Notable Information: Euomphaloceras euomphalus is an iconic ammonite genus for the Cenomanian stage and frequently used in zonation schemes across NW Europe Its occurrence in British chalk is relatively rare compared to other ammonite types, increasing its value and appeal This fossil stands out due to its impressive size, completeness, and detailed ornamentation   Authenticity & Presentation: 100% genuine fossil specimen, not a replica Comes with a Certificate of Authenticity Photo shows the exact fossil you will receive Scale cube = 1cm for precise size reference Sourced from the acclaimed Alice Purnell Collection, renowned for high-quality and authentic fossils   A truly remarkable example of Euomphaloceras euomphalus, this fossil is both a collector’s prize and a scientifically valuable specimen from the depths of England’s ancient seas.   All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.