Description
Fossil Sponge in Flint from Branscombe, Dorset
This genuine fossil specimen is identified as a Fossil Sponge in Flint from the Grey Chalk Subgroup of the Cretaceous, collected at Branscombe in Dorset. It is an appealing piece of British geological history for fossil collectors, natural history enthusiasts, geology students and anyone interested in the ancient marine environments represented by the Cretaceous rocks of southern England
Geological Setting
The Grey Chalk Subgroup forms part of the Cretaceous chalk succession. Chalk was deposited in a marine environment, and the Cretaceous seas that covered parts of what is now southern England supported a wide range of life. Flint occurs within chalk and is a hard, silica-rich material that can preserve fossil remains and impressions. In this specimen, the fossil sponge is preserved in flint, creating a durable geological display piece with a direct connection to the chalk landscapes of Dorset.
Fossil Sponge Interest
Sponges are simple aquatic animals that have existed in marine environments for a very long time. Their fossilised remains can provide an insight into ancient seabed communities and the conditions in which chalk and associated flint formed. Fossil sponge specimens are particularly valued for their connection with Cretaceous marine geology and for the way they link an identifiable fossil organism with the surrounding host rock.
This specimen is suitable for a private fossil collection, educational handling, a geology cabinet, museum-style display or as a thoughtful gift for someone fascinated by palaeontology and Dorset’s fossil heritage. Its named geological context makes it more informative than an unlocalised fossil and helps place the specimen within the wider story of Cretaceous Britain.
Specimen Preparation and Collection
Your specimen was discovered by our own team members, Alister and Alison, and has been cleaned, prepped and treated by Alison.
The preparation has been carried out to present the fossil clearly while retaining its natural geological character. As with all natural fossils, the surface, preservation and form reflect the processes of burial, mineralisation and preparation that affected the specimen over geological time.
Photograph and Sizing Information
The photograph shows the actual specimen you will receive.
Full sizing is shown in the photographs.
Please study the images carefully for the overall appearance and presentation of this individual fossil specimen. The photographs are intended to show the actual piece supplied rather than a representative example.
Authenticity and Certificate
This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.
The included certificate wording provides an accompanying authenticity statement for this genuine fossil specimen. It makes this piece a suitable addition to a documented collection or a geology-themed display, while the stated Cretaceous Grey Chalk Subgroup and Branscombe, Dorset identification provide its geological context.





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