Description
Very Rare Suffolk Ichthyosaur Vertebrae Fossil Bone Block
This listing is for a very rare genuine ichthyosaur vertebrae fossil bone block from Corton, Lowestoft, Suffolk, UK. This specimen is a Jurassic erratic recovered from the Corton / Lowestoft Boulder Clay, also known as glacial boulder clay, where older fossiliferous material was transported and redeposited by Ice Age glacial action.
Ichthyosaur remains from this type of Suffolk glacial deposit are highly collectable because they represent Jurassic marine reptile material found away from its original bedrock source. Fossils like this were carried within glacial sediments before being deposited along the East Anglian coast. This gives the specimen a particularly interesting geological story, combining Jurassic marine reptile palaeontology with later Pleistocene glacial transport and deposition.
This fossil is a carefully chosen piece, and the photograph shows the actual specimen you will receive. Full sizing can be seen in the photo.
Geology, Age and Glacial Erratic Origin
This fossil was found at Corton, near Lowestoft in Suffolk, an area known for coastal exposures of glacial deposits. The Boulder Clay in this region contains a mixture of rocks and fossils transported by ice sheets during the Quaternary Ice Age. Within these deposits, older Jurassic fossils can sometimes occur as erratics, meaning they were moved from their original geological setting and redeposited within younger glacial sediment.
Although the boulder clay itself is much younger than the fossil, the ichthyosaur bone material is Jurassic in origin. This means the fossil represents a marine reptile that lived in ancient seas long before the Ice Age processes that later transported and buried the specimen in Suffolk. The result is a fossil with two layers of geological interest: the original Jurassic age of the animal and the later glacial history of the deposit in which it was found.
Such material is especially appealing to collectors because Suffolk erratic fossils are often less common than specimens collected directly from classic Jurassic bedrock localities. The combination of marine reptile bone, British locality, and glacial erratic provenance makes this an unusual and desirable fossil specimen.
Ichthyosaur Fossil Vertebrae
Ichthyosaurs were extinct marine reptiles that lived during the Mesozoic Era, especially throughout the Triassic and Jurassic periods. They were highly adapted for life in the sea, with streamlined bodies, large eyes, powerful tails, and limb paddles used for steering. Although they looked superficially similar to dolphins, ichthyosaurs were reptiles, not mammals, and they evolved independently into fast-swimming ocean predators.
This fossil represents ichthyosaur vertebrae, the bones that formed part of the animal’s backbone. Ichthyosaur vertebrae are typically recognised by their rounded, spool-like centra, often with concave faces on both sides. These vertebrae formed a flexible spinal column, helping support the body and tail as the animal moved through the water.
A fossil bone block containing ichthyosaur vertebral material is particularly interesting because it preserves part of the skeletal structure rather than an isolated tooth or fragment. Vertebrae are important anatomical fossils, helping collectors and palaeontology enthusiasts understand the structure, movement, and biology of these remarkable Jurassic marine reptiles.
Jurassic Marine Reptile Life
During the Jurassic Period, large areas of what is now Britain were covered by warm, shallow seas. These seas supported a rich marine ecosystem, including ammonites, belemnites, fish, sharks, marine crocodiles, plesiosaurs, pliosaurs, and ichthyosaurs. Ichthyosaurs were among the most successful marine predators of their time, feeding on fish, squid-like cephalopods, and other marine animals.
The vertebrae in this specimen come from an animal that once swam through those ancient Jurassic waters. After death, parts of the skeleton became buried in sediment and fossilised over millions of years. Much later, glacial ice eroded and transported fossil-bearing material, eventually depositing it within the Suffolk Boulder Clay at or near Corton and Lowestoft.
Discovered, Prepared and Certified
Your specimen was discovered by our own team members, Alister and Alison, and has been cleaned, prepped and treated by Alison. This makes it a carefully handled fossil with a clear collecting history and strong presentation appeal.
This fossil is a genuine specimen and includes a fully hand-signed Premium Certificate of Authenticity. The fossil shown in the photograph is the actual specimen you will receive, making it ideal for collectors who want confidence in the exact item being purchased.
Rare British Fossil Display Specimen
This Suffolk ichthyosaur vertebrae fossil bone block is an excellent addition to a fossil collection, natural history display, educational collection, marine reptile collection, or British geology cabinet. Its Jurassic marine reptile origin, Corton and Lowestoft locality, glacial boulder clay provenance, and rare erratic preservation make it a standout specimen for collectors of unusual UK fossils.
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