Description Presenting a very rare Cypris purbeckensis fossil ostracod, beautifully preserved in matrix from the Cretaceous-aged Durlston Formation, collected at Swanage, Dorset, UK. This microfossil is a fine example of one of the most iconic non-marine ostracods found in the Purbeck Group. Geological Unit: Durlston Formation, Purbeck Group Geological Period: Early Cretaceous Stage: Berriasian Depositional Environment: Lacustrine (freshwater lake), marginal marine influence Order: Podocopida Family: Cyprididae Notable: Rarely offered in fossil form due to their small size and delicate preservation needs Cypris purbeckensis is an extinct species of freshwater ostracod—tiny crustaceans with bivalved shells. Fossils like this provide invaluable insights into paleoecological conditions and faunal evolution in transitional lagoonal environments during the earliest part of the Cretaceous. This specific specimen was discovered by our experienced field team, Alister and Alison, on 26 June 2024. It has since been carefully prepared and treated by Alison to ensure preservation and clarity. The exact specimen in the photo is the one you will receive. The scale cube shown is 1cm – please refer to the images for full size details. All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity. A rare opportunity to acquire a scientifically important fossil from the UK’s iconic Purbeck beds – ideal for collectors, educators, and micropalaeontology enthusiasts.
