Description
Witchellia cf. plectygonia Ammonite Fossil – Bajocian, Dorset, UK
This genuine Witchellia cf. plectygonia ammonite fossil is a carefully chosen specimen from the Inferior Oolite Group at Sandford Lane, Sherborne, Dorset, UK. Dating to the Lower Bajocian of the Middle Jurassic Period, Laeviuscula Subzone, this fossil represents an attractive and scientifically interesting British ammonite from one of Dorset’s classic inland Jurassic fossil-bearing areas. The photograph shows the actual specimen you will receive, making this a desirable piece for fossil collectors, natural history enthusiasts, geology students, educational displays, and anyone interested in authentic UK Jurassic fossils.
Genuine Fossil with Certificate of Authenticity
This fossil is a genuine specimen and includes a Certificate of Authenticity lifetime guarantee generic card. It has been selected as an individual natural history piece, with full sizing shown in the photo. The specimen is supplied exactly as pictured, allowing buyers to view the preservation, shell form, ribbing, surface detail, matrix, and natural character of the actual ammonite being offered.
Species and Fossil Type
Witchellia cf. plectygonia is an ammonite, an extinct marine cephalopod related to modern squid, cuttlefish, and nautilus. Ammonites are among the most recognisable and collectable fossils of the Jurassic Period, valued for their elegant spiral shells, chambered internal structure, ornamental ribbing, and importance in dating sedimentary rock layers. The abbreviation “cf.” means the specimen compares closely with Witchellia plectygonia, while allowing for cautious identification where preservation, natural variation, or incomplete diagnostic features may affect certainty.
The genus Witchellia is especially associated with Bajocian ammonite faunas and is an important part of the classic Inferior Oolite fossil record. Witchellia ammonites typically display a planispiral coiled shell, often with compressed whorls and ribbing that may change through growth stages. In life, the animal occupied the outer body chamber of the shell, while the inner chambers helped regulate buoyancy in the warm Jurassic sea. This combination of attractive morphology and geological significance makes Witchellia a desirable genus for collectors of British Jurassic ammonites.
Geology and Age
This specimen comes from the Inferior Oolite Group, a well-known Jurassic rock sequence exposed across parts of southern and western England. The Inferior Oolite was deposited during the Bajocian Stage, around 170 million years ago, when the Sherborne area lay beneath warm, shallow marine seas. These environments supported a diverse ecosystem of ammonites, belemnites, bivalves, brachiopods, gastropods, echinoids, crinoids, and other marine invertebrates.
The Laeviuscula Subzone places this ammonite within a specific and important Lower Bajocian biostratigraphic interval. Ammonites evolved rapidly and were widely distributed in Jurassic seas, making them extremely useful as index fossils for dating and correlating rock layers. A Witchellia cf. plectygonia from the Laeviuscula Subzone therefore has strong palaeontological appeal, combining visual display quality with genuine scientific and stratigraphic interest.
Locality – Sandford Lane, Sherborne, Dorset
Sandford Lane, near Sherborne in Dorset, is part of an inland fossil-bearing region associated with the Inferior Oolite Group. Although Dorset is internationally famous for its Jurassic Coast, inland localities around Sherborne preserve a different and highly important part of the county’s geological story. These deposits represent Middle Jurassic marine conditions, younger than many of the famous Lower Jurassic coastal beds around Lyme Regis and Charmouth.
The Sandford Lane locality gives this ammonite excellent provenance and regional interest. Fossils from named localities are especially desirable because they preserve a clear connection to their original geological setting. For collectors of Dorset fossils, British ammonites, Bajocian cephalopods, Inferior Oolite specimens, and Sherborne-area Jurassic material, this fossil offers both display appeal and educational value.
Scientific and Collectable Interest
This Witchellia cf. plectygonia ammonite is a collectable British Jurassic fossil with strong geological and palaeontological interest. Its comparative species identification, Inferior Oolite Group provenance, Lower Bajocian age, Laeviuscula Subzone association, and named Dorset locality make it suitable for a specialist fossil collection, natural history cabinet, educational geology set, museum-style display, or thoughtful gift for a fossil enthusiast.
Ammonites remain one of the most popular fossil groups because they combine natural beauty with scientific importance. Their coiled shells are instantly recognisable, while their use in biostratigraphy makes them essential fossils for understanding Jurassic rock sequences. This specimen represents a marine animal that once lived in the warm Jurassic seas covering what is now Dorset, preserved through burial, mineralisation, and long-term geological processes.
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