Description
This listing is for a Parkinsonia Fossil Ammonite from the Inferior Oolite Formation of the Middle Jurassic, discovered at Burton Bradstock, Dorset, United Kingdom (Jurassic Coast UNESCO World Heritage Site).
100% Genuine Fossil Specimen – All of our fossils are authentic and come with a Certificate of Authenticity.
Exact Specimen Shown – The photos provided are of the actual fossil you will receive.
Scale for Reference – Scale cube = 1cm. Please see photos for full sizing.
Geological & Scientific Details:
- Fossil Type: Ammonite (extinct marine mollusc, related to squid and octopus).
- Genus: Parkinsonia.
- Order: Ammonitida.
- Superfamily: Stephanoceratoidea.
- Family: Parkinsoniidae.
- Geological Period: Jurassic.
- Stage/Age: Inferior Oolite (Aalenian to Bajocian, approx. 174 – 168 million years ago).
- Locality: Burton Bradstock, Dorset, UK.
Notable Features & Morphology:
- Shell Form: Involute to moderately evolute coiling with visible ribbing.
- Ribs: Strong, regular ribbing across the flanks, bifurcating toward the outer whorl – typical of Parkinsonia.
- Whorl Section: Compressed to sub-rounded with detailed ornamentation.
- Size: A well-preserved specimen, showing clear Jurassic Coast ammonite features.
Depositional Environment:
The Inferior Oolite of the Jurassic Coast was deposited in shallow, warm marine seas rich in calcium carbonate. These conditions allowed for the exceptional preservation of ammonites, brachiopods, and other marine life within oolitic limestones.
Scientific & Collecting Importance:
Parkinsonia is an important ammonite genus for biostratigraphic correlation within the Middle Jurassic. Its distinctive morphology makes it highly recognisable, and specimens from the Jurassic Coast are particularly prized for their scientific and historical significance.
Why Buy This Fossil?
- A classic ammonite from the world-famous Jurassic Coast, Dorset.
- Excellent preservation with diagnostic ribbing and whorl features.
- A significant specimen for collectors of Jurassic ammonites, Inferior Oolite fossils, or UK fossil heritage.
- Supplied with a Certificate of Authenticity guaranteeing its provenance.
All of our fossils are responsibly sourced, carefully prepared, and chosen for quality.









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