Description Presenting a RARE fossil tooth from the shell-crushing shark Ptychodus decurrens, discovered in the Cenomanian Chalk of the Cretaceous period at White Nothe, Ringstead Bay, Dorset, UK. This species of shark is renowned for its broad, flat crushing teeth, used for feeding on molluscs and other hard-shelled marine prey. Species: Ptychodus decurrens Order: Hybodontiformes Family: Ptychodontidae Geological Unit: Cenomanian Chalk Formation Geological Period: Late Cretaceous Stage: Cenomanian Depositional Environment: Shallow marine shelf – warm epicontinental sea Notable Features: Broad, ridged occlusal surface typical of shell-crushing function Rarity: High – rarely found in such well-preserved condition in the UK This specimen is a genuine and rare example of a shark tooth from a unique Cretaceous fauna. Ptychodus sharks were large and slow-moving, adapted for crushing invertebrate prey – a fascinating adaptation among prehistoric sharks. The exact fossil you see in the photos is the one you will receive. This tooth was personally discovered by our field experts Alister and Alison on 16 January 2025, and carefully cleaned and preserved by Alison herself to ensure clarity and long-term integrity. Scale cube = 1cm – please refer to photo for exact dimensions. All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity. A rare and scientifically interesting collector’s item, perfect for enthusiasts of marine reptiles, sharks, and Cretaceous paleontology.
