Description
This listing is for a Rare 4″ Fossil Ammonite (Ludwigia bradfordensis) from the Aalenian Stage of the Middle Jurassic, discovered at Uploders, Dorset, United Kingdom.
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 rule squares/cube = 1cm. Please see photos for full sizing.
Geological & Scientific Details:
- Fossil Type: Ammonite (extinct marine mollusc, related to squid and octopus).
- Species: Ludwigia bradfordensis.
- Order: Ammonitida.
- Superfamily: Hammatoceratoidea.
- Family: Graphoceratidae.
- Geological Period: Jurassic.
- Stage/Age: Aalenian (approx. 174 – 170 million years ago).
- Locality: Uploders, Dorset, UK.
Notable Features & Morphology:
- Shell Form: Involute to moderately involute with compressed whorls.
- Ribs: Strong, well-defined ribs crossing the flanks and curving towards the venter.
- Whorl Section: Narrow with a sub-rounded venter, typical of Ludwigia.
- Size: A rare and well-preserved specimen at 4″, making it highly desirable.
Depositional Environment:
The Aalenian seas of Dorset were shallow marine shelf environments dominated by carbonate and marl deposition. These conditions allowed excellent preservation of ammonites and associated marine fauna within the Inferior Oolite and related formations.
Scientific & Collecting Importance:
Ludwigia bradfordensis is an important index fossil for the Aalenian, used in correlating strata across Europe. Its distinctive ribbing and shell form make it highly recognisable, adding both scientific and collector value.
Why Buy This Fossil?
- A rare ammonite species from Uploders, Dorset.
- Excellent preservation with characteristic ribbing.
- A significant specimen for collectors of Jurassic ammonites, Inferior Oolite material, or UK fossil specimens.
- 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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