Fossils for Sale - High-quality BRITISH and WORLDWIDE Fossils. An impressive selection of fossils, including Ammonites, Trilobites, Belemnites, Fossil Fish, Fossil Shark Teeth, Fossilised Insects in Amber, Dinosaurs, and Reptiles. UK Fossils was formed in 1988 and collects and preps our own fossils in the heart of the Jurassic Coast, collecting fossils from Lyme Regis, Charmouth and Somerset. Our passion for fossils is reflected in our carefully curated collection, which includes some of the rarest and most unique specimens available.

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Fossil Sponge in Flint Grey Chalk Cretaceous Branscombe Dorset Genuine Specimen

Original price was: £8.40.Current price is: £6.72.

Discover a rare and fascinating Fossil Sponge preserved in Flint, found within the Grey Chalk Subgroup of the Cretaceous period, from the historic coastal region of Branscombe, Dorset, UK. This specimen is 100% genuine, comes with a Certificate of Authenticity, and was discovered by our own team members, Alister and Alison, on 20 March 2025. It has been carefully cleaned, prepped, and treated by Alison, ensuring both scientific value and visual appeal.

Sponges are one of the oldest multicellular life forms on Earth, and fossil examples provide invaluable insight into early marine ecosystems. This particular fossil dates back to the Late Cretaceous, approximately 85–100 million years ago, when the region that is now Dorset was submerged under warm, shallow seas. The Grey Chalk Subgroup, part of the Upper Cretaceous sedimentary layers, is known for preserving marine fossils in flint nodules formed within chalk beds.

This beautifully preserved specimen captures the structure and texture of an ancient sponge, preserved through mineral replacement within a durable flint matrix. Fossils like this are sought after by collectors and geologists alike for their rarity and educational value.

This is a carefully selected, one-of-a-kind specimen, and the exact fossil shown in the listing photos is the one you will receive. A 1cm scale cube is included in the images for size reference—please refer to the photos for full dimensions.

Why Choose This Fossil? ✔️ Authentic Cretaceous Fossil Sponge in Flint from Branscombe, Dorset, UK

✔️ Discovered by Our Team – Alister and Alison – on 20 March 2025

✔️ Professionally Cleaned, Prepped, and Treated by Alison

✔️ 100% Genuine with Certificate of Authenticity

✔️ Perfect for Collectors, Educators, and Natural History Displays

✔️ Exact Fossil Shown – No Substitutes

✔️ Fast & Secure Shipping

Add a rare glimpse of Britain’s ancient marine life to your collection—order this unique Fossil Sponge in Flint today!

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Description

Fossil Sponge in Flint

This genuine fossil sponge specimen is preserved in flint from the Grey Chalk Subgroup and is associated with the Cretaceous geology of Branscombe, Dorset. It is an appealing piece for fossil collectors, geology enthusiasts, natural history displays and anyone interested in the ancient marine environments represented by the chalk landscapes of southern England

Geological Setting

The Cretaceous was a major geological period during which extensive marine sediments accumulated across areas that now form parts of southern England. The Grey Chalk Subgroup belongs to these chalk deposits and provides an important geological context for fossils found in the Dorset region. Flint is a hard, silica-rich material commonly occurring within chalk sequences, creating a contrasting matrix that can preserve and highlight fossil material.

Fossil Sponge

Sponges are among the simpler groups of aquatic animals and have a long fossil record. Fossil sponge remains can be preserved in a variety of ways, including within mineral-rich sediment or siliceous material. Their presence provides an interesting connection to ancient marine ecosystems and the organisms that lived in Cretaceous seas. This specimen is identified as a fossil sponge in flint, making it a distinctive addition to a collection focused on Cretaceous fossils, Dorset geology or fossil material preserved in flint.

Location and Collector Interest

Branscombe, Dorset, is well known for its important coastal geology and fossil-bearing rocks. A specimen connected with the Grey Chalk Subgroup offers useful geological context as well as visual appeal. It can be displayed as a standalone natural-history object, included in a fossil cabinet or used as an educational example when discussing chalk, flint and the Cretaceous period.

Condition and Presentation

The specimen has been cleaned, prepared and treated by Alison following its discovery. Natural fossils and their surrounding rock can retain variations in colour, texture and surface character, all of which contribute to the individuality of a geological specimen. Full sizing is shown in the photographs.

Authenticity and Photograph Information

This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.

The photograph shows the actual specimen you will receive.

Collected Specimen

Your specimen was discovered by our own team members, Alister and Alison, and has been cleaned, prepped and treated by Alison.

This fossil sponge in flint is suitable for collectors of Cretaceous fossils, Dorset fossils, chalk geology, flint specimens and natural history curiosities. Its combination of fossil identification, geological setting and documented preparation makes it a versatile piece for personal collections, educational displays and geology-themed interiors.

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