Rare 5″ Stephanoceras perfectum Fossil Ammonite Inferior Oolite Jurassic Coast Burton Bradstock Dorset UK Genuine Specimen with COA

5″ Stephanoceras Perfectum Fossil Ammonite – Inferior Oolite, Jurassic Coast, Burton Bradstock, Dorset, UK We are excited to offer this 5-inch Stephanoceras perfectum fossil ammonite, beautifully preserved in the Inferior Oolite formation of the Jurassic Coast, discovered at Burton Bradstock, Dorset, UK. This stunning specimen was discovered by our own team members, Alister and Alison, on 30 April 2025, and has been carefully cleaned, prepped, and treated by Alison to bring out its beautiful details. Fossil Identification & Provenance: This 100% genuine fossil is a Stephanoceras perfectum ammonite from the Inferior Oolite formation, part of the Jurassic Coast of Dorset, UK, renowned for its high-quality ammonite fossils. The ammonite displays its distinctive spiral shell with clear suture lines, ventral tubercles, and fine preservation, providing an excellent example of the species. Physical Details: Length: Approximately 5 inches (12.7 cm) Weight: Full size and weight details can be provided upon request Measurements: Full sizing available in the accompanying images The 1 cm scale cube shown in the photos provides an accurate size reference. Species Information: Stephanoceras perfectum is a species of ammonite from the Jurassic period, characterized by its flat, wide shell and distinctive spiral. This ammonite is part of the Stephanoceratidae family, which is known for its smooth, coiled shells and well-defined suture lines. Stephanoceras species are common in Jurassic marine deposits and offer insight into the marine ecosystems of the period. S. perfectum is a representative species of the Inferior Oolite formation and is highly prized by collectors for its beautiful preservation and size. Geological & Depositional Context: Zone: This ammonite was found in the Inferior Oolite, which dates to the Middle Jurassic period (approximately 174–163 million years ago). Morphological Features: The fossil exhibits a flat, wide shell with distinct suture lines and ventral tubercles typical of Stephanoceras perfectum. The ammonite’s smooth, spiral shape is well-preserved, making it an excellent specimen for display. Notable: This ammonite is notable for its perfect preservation, allowing for a clear view of its shell structure and suture lines, making it a standout addition to any collection. Biozone: The fossil is from the Inferior Oolite Biozone, a period known for the thriving of ammonites in the Jurassic seas. Depositional Environment: The Inferior Oolite formation consists of shallow marine sediments that provided ideal conditions for the preservation of marine life. The ammonites from this period lived in calcareous waters, which led to the excellent preservation of their shells. Geological Stage: The fossil dates back to the Middle Jurassic period, which was marked by the proliferation of ammonites and the evolution of early dinosaurs. Family: Stephanoceratidae (Ammonites) Super Family: Asteroceratoidea Order: Ammonitida (Ammonites) Certificate of Authenticity: This ammonite comes with a Certificate of Authenticity, ensuring its genuine nature and provenance. The exact Stephanoceras perfectum ammonite fossil shown in the photos is the one you will receive. Why Choose This Fossil? A rare and beautifully preserved Stephanoceras perfectum ammonite fossil from the Inferior Oolite formation of the Jurassic Coast. The ammonite’s distinctive spiral structure, ventral tubercles, and suture lines make it an exceptional piece for fossil collectors. A highly collectible specimen for those interested in Jurassic fossils, marine life fossils, or ammonite fossils. Genuine natural history artifact from the Jurassic Coast of Dorset, UK, weighing approximately 0.5kg and measuring 5 inches (12.7 cm), perfect for display or study. **Thank you for considering this remarkable Stephanoceras perfectum ammonite fossil from the Lower Jurassic period. If you have any questions or would like additional photos or details about this specimen, feel free to contact us. We are dedicated to offering genuine fossil specimens, and we are confident this piece will make a fascinating addition to your collection.