Description
An extraordinary and large 10″ Parkinsonia parkinsoni ammonite fossil from the Inferior Oolite, discovered on the stunning Jurassic Coast at Burton Bradstock, Dorset, UK. This highly detailed and well-preserved specimen is a showpiece fossil ideal for collectors and natural history enthusiasts.
This impressive specimen was found by our expert field team, Alister and Alison, on 17 January 2025, and has been expertly cleaned, prepped, and treated by Alison to enhance its striking preservation.
Parkinsonia parkinsoni is recognised by its evolute coiling, strong ribbing, and robust shell structure, making it an important biostratigraphic marker for the Bajocian Stage of the Middle Jurassic. It belongs to the family Parkinsoniidae, within the superfamily Stephanoceratoidea, known for their ornate and wide-ranging ammonite representatives.
The fossil was collected from the Inferior Oolite Formation, deposited in a shallow marine carbonate platform environment typical of the Bajocian Stage, offering excellent insight into mid-Jurassic marine ecosystems.
Geological & Taxonomic Information:
- Fossil Type: Ammonite
- Species: Parkinsonia parkinsoni
- Geological Period: Jurassic
- Stage: Bajocian (Middle Jurassic)
- Formation: Inferior Oolite
- Location: Burton Bradstock, Dorset, UK
- Depositional Environment: Shallow marine, carbonate shelf
- Family: Parkinsoniidae
- Superfamily: Stephanoceratoidea
- Order: Ammonitida
- Identified By: Diagnostic features consistent with published Parkinsoniidae taxonomy
What You Receive:
- The exact fossil specimen shown in the listing photos
- A Certificate of Authenticity
- Secure and protective packaging for safe delivery
An exceptional museum-grade ammonite fossil—ideal for collectors, education, display, or a unique natural history gift.
Note:
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
Scale cube = 1cm. Please see photo for full sizing.






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