Description
Genuine Strigoceras cf. bessinum Ammonite Fossil
This listing is for a genuine Strigoceras cf. bessinum ammonite fossil from the Inferior Oolite Formation, Middle Jurassic, Bajocian Stage, Banksii Subzone, collected from Oborne Wood, Dorset, UK. This is a carefully chosen fossil specimen, selected for its geological interest, classic British Jurassic locality, and appeal as a collectable ammonite display piece. The photograph shows the actual specimen you will receive, allowing you to view the fossil’s preservation, colour, natural shell form, matrix, surface detail, and overall appearance before purchase. For full sizing, please see the photo.
This fossil is supplied with a Certificate of Authenticity lifetime guarantee generic card, confirming that it is a genuine fossil specimen.
Fossil Type and Identification
Strigoceras cf. bessinum is an ammonite, an extinct marine cephalopod related to modern squid, cuttlefish, octopus, and nautilus. Ammonites lived in coiled, chambered shells and were highly successful animals in the ancient seas of the Mesozoic Era. The shell was divided internally into buoyancy chambers, while the animal occupied the final body chamber.
The use of “cf.” means this specimen compares closely with Strigoceras bessinum, while allowing for the natural variation and preservation differences often found in fossil ammonites. This is a common palaeontological convention when a fossil strongly resembles a known species but the finest diagnostic details may be affected by preservation, matrix, wear, or partial exposure.
Middle Jurassic Bajocian Geology
This ammonite dates from the Middle Jurassic Period, specifically the Bajocian Stage, making it approximately 170 million years old. The Bajocian was a time when warm, shallow seas covered large parts of what is now southern Britain. These marine environments supported a rich ecosystem of ammonites, belemnites, bivalves, brachiopods, gastropods, crinoids, fish, and marine reptiles.
The specimen comes from the Inferior Oolite Formation, a famous Middle Jurassic rock unit in southern England. The Inferior Oolite is known for fossil-rich limestones and marine sediments deposited on ancient sea floors. Ammonites from these deposits are especially valued because they help identify and correlate narrow intervals of Jurassic time. The stated Banksii Subzone gives this specimen a particularly useful stratigraphic context within the Bajocian sequence.
Oborne Wood, Dorset Locality
This fossil was collected from Oborne Wood in Dorset, UK, a locality associated with the Inferior Oolite and Middle Jurassic fossils. Dorset is one of Britain’s most important fossil counties, internationally known for its Jurassic Coast and inland Jurassic localities. Fossils from the region are popular with collectors because they represent a clear and well-studied record of prehistoric marine life.
A Strigoceras cf. bessinum ammonite from Oborne Wood is a desirable piece for collectors of British fossils, Dorset ammonites, Bajocian specimens, Inferior Oolite fossils, and scientifically labelled natural history display pieces. Its precise geological formation, stage, subzone, and locality add strong educational and collectable value.
Shell Form and Natural Features
Strigoceras ammonites are known for their elegant coiled shell form. Depending on preservation, visible features may include a compressed whorl profile, fine shell ornament, subtle growth lines, smooth to lightly marked shell areas, and the classic planispiral shape associated with Jurassic ammonites. These features formed as the animal grew, with each new whorl recording part of its life history.
As a genuine fossil, this specimen may show natural characteristics such as mineral staining, matrix attachment, ancient surface wear, small chips, weathered areas, fine cracks, compression, or partial preservation. These details are normal in authentic fossil material and form part of the specimen’s geological history. The photograph shows the exact fossil being offered, so every visible detail can be inspected before purchase.
Collectable British Jurassic Display Specimen
This Strigoceras cf. bessinum ammonite fossil is ideal for fossil collectors, geology students, educational collections, school teaching resources, natural history displays, or anyone interested in genuine Jurassic marine fossils. Its combination of Middle Jurassic age, Bajocian stratigraphy, Banksii Subzone context, Inferior Oolite Formation origin, and Dorset locality makes it a strong addition to any fossil cabinet or display collection.
The specimen comes exactly as shown in the photo and includes a Certificate of Authenticity lifetime guarantee generic card, making it a reliable choice for collectors seeking a genuine Strigoceras ammonite, British Jurassic fossil, Dorset fossil specimen, Inferior Oolite ammonite, or authentic natural history display piece.
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