Description
This listing features a beautifully preserved Sonninia corrugata ammonite fossil, collected from Redhole Lane, near Sherborne, Dorset, UK. Dating from the Bajocian Stage of the Middle Jurassic, this fossil comes from a site well known for its classic ammonite-bearing beds and exceptional palaeontological history.
Geological & Stratigraphic Context:
- Location: Redhole Lane, Sherborne, Dorset, UK
- Geological Period: Jurassic
- Stage: Middle Jurassic, Bajocian (~170 to 168 million years ago)
- Depositional Environment: Shallow epicontinental marine basin with alternating limestones and marls; the environment supported diverse ammonite fauna and allowed excellent fossil preservation
Fossil Type & Taxonomic Classification:
- Type: Fossilised Ammonite
- Species: Sonninia corrugata (described by d’Orbigny, 1845)
- Order: Ammonitida
- Superfamily: Hammatoceratoidea
- Family: Sonniniidae
Morphological Features:
- Strongly ribbed shell with well-marked corrugations giving the species its name
- Evolute to moderately involute coiling with exposed inner whorls
- Fine detail often preserved on outer whorls due to marly sediment matrix
Biozone (If Applicable):
- Commonly found within the Sonninia corrugata Biozone, a key biostratigraphic marker of the upper Bajocian
Notable Details:
- Sonninia corrugata is widely used in biostratigraphy for correlating Bajocian strata across Europe
- Redhole Lane is a well-documented fossil locality, contributing to many mid-Jurassic ammonite collections
- This specimen has been carefully selected for clarity, completeness, and aesthetic value, making it ideal for collectors, educators, or display
Specimen & Scale Information:
- Scale Rule Squares/Cube = 1cm — See the listing photo for exact size
- The photo shows the exact specimen you will receive, with no substitutes used
Certification & Authenticity: All of our fossils are 100% genuine specimens, and every purchase includes a Certificate of Authenticity. This ammonite has been ethically sourced and professionally reviewed.
Add a distinctive Jurassic ammonite to your collection with this genuine Sonninia corrugata fossil from Redhole Lane, Sherborne, Dorset—a classic and scientifically valuable piece of Britain’s palaeontological record.






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