Description
Oxycerites orbis Ammonite Fossil from Vendée France
Genuine Middle Jurassic Specimen
This listing is for the exact Oxycerites orbis ammonite fossil shown in the photographs. It is a genuine natural specimen from Vendée in the Pays de la Loire region of France, dating to the Bajocian Stage of the Middle Jurassic. The fossil has been carefully selected and individually photographed, so the pictured specimen is the actual piece you will receive. Please refer to the sizing photograph for full measurements and inspect every image for its precise condition, colour, matrix and preserved detail.
Bajocian Marine Geology
The Bajocian Stage forms part of the Middle Jurassic and spans approximately 170 to 168 million years ago. During this interval, marine waters covered extensive areas of western Europe. Sediments accumulated on sea floors inhabited by ammonites, bivalves and many other organisms, later becoming fossil-bearing rock.
Vendée occupies an important position along the western margin of France and preserves geological evidence of Jurassic marine environments. A specimen with a named species, regional provenance and geological age retains valuable scientific context as well as visual appeal. The surrounding matrix and mineralisation visible in the photographs are part of the fossil’s individual geological history.
About Oxycerites orbis
Oxycerites is an extinct genus of ammonoid cephalopod. Ammonites were marine molluscs with chambered, spirally coiled shells and belong to the wider cephalopod group that includes living squid, cuttlefish and nautiluses. The animal occupied the final body chamber, while earlier chambers separated by septa helped regulate buoyancy.
Oxycerites ammonites are recognised for their generally compressed, streamlined shells and finely formed whorls. Their elegant planispiral shape differs from more heavily ribbed ammonites and gives them a distinctive appearance. Natural preservation reveals shell form and ornament to varying degrees. The photographs accurately show this specimen’s morphology, mineral tones, matrix and completeness.
Scientific and Collecting Interest
Ammonites evolved rapidly and were widely distributed through Jurassic seas. Particular species and assemblages help geologists correlate rock layers and determine relative ages, making ammonites valuable index fossils. An Oxycerites orbis from a documented French locality offers a tangible record of Middle Jurassic marine life.
This specimen is suitable for a palaeontology collection, French fossil display, geology teaching cabinet or distinctive natural history gift. Its named species, Bajocian age and Vendée provenance make it especially attractive to collectors who value both scientific documentation and natural form.
Exact Fossil and Authenticity
You will receive the exact fossil pictured, not a stock example. Fossils are natural geological objects and may retain ancient fractures, matrix, mineral variation, weathering or preparation marks. These features form part of the specimen’s authentic history. Review all photographs carefully and use the sizing image for dimensions.
A generic Certificate of Authenticity card with a lifetime guarantee is included. The specimen will be packed carefully for safe transit and protection of the condition shown.
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