Description
Fossil Sponge in Flint from Cretaceous Dorset
Identification and Geological Setting
This specimen is identified as a fossil sponge preserved in flint, associated with the Grey Chalk Subgroup of the Cretaceous and the Branscombe area of Dorset. It offers collectors an attractive opportunity to own a geological specimen connected with the ancient marine environments represented by the Cretaceous rocks of southern England
Fossil sponges are the preserved remains or fossilised structures of simple aquatic animals belonging to the wider sponge group. During life, sponges filtered water through their bodies and commonly lived attached to the seabed. Their fossilised forms can be especially interesting because the original soft-bodied organism may be represented by a durable mineralised texture, outline or cavity within the surrounding rock.
Flint is a hard, silica-rich form of microcrystalline quartz that occurs within chalk and related marine sedimentary sequences. Its fine texture and resistance to weathering make it an important material in the study and collection of Cretaceous geological specimens. In this example, the fossil sponge is associated with flint, creating a natural combination of palaeontology and local geology.
Collector Interest
The Branscombe locality in Dorset is associated with the Cretaceous geology of the English coast and countryside. A fossil sponge in flint from this setting can appeal to collectors of British fossils, Dorset geology, chalk-associated specimens and natural history displays. It is also suitable for educational collections illustrating how fossils may be preserved within hard sedimentary or silica-rich rock.
The specimen can be displayed as part of a fossil cabinet, geological shelf or classroom collection. Its interest lies in the combination of fossil identification, Cretaceous age, Grey Chalk Subgroup association and Dorset locality. It provides a tangible example of how ancient marine life can remain preserved within geological material formed millions of years ago.
Collection and Preparation
Your specimen was discovered by our own team members, Alister and Alison, and has been cleaned, prepped and treated by Alison.
The photograph shows the actual specimen you will receive.
Sizing and Presentation
Full sizing is shown in the photographs.
The photographs are intended to show the specimen’s appearance, visible fossil features and presentation clearly. As a natural geological item, the character of the flint and the preserved fossil detail form part of its individual appeal. This specimen is suitable for collectors who value authentic British fossil material and locality-linked geological examples.
Certificate of Authenticity
This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.





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