Description
This 3.75″ UPTONIA JAMESONI Fossil Ammonite is a stunning and rare specimen from the Lower Pliensbachian stage of the Jurassic period, discovered in the renowned fossil-rich area of Charmouth, Dorset, United Kingdom. This ammonite is a 100% genuine specimen, accompanied by a Certificate of Authenticity. The Uptonia jamesoni ammonite is recognized for its distinct spiral shape and fine ribbing, making it a desirable find for collectors of Jurassic ammonites.
Geology and Fossil Type
- Geological Stage: Lower Pliensbachian, Jurassic
- Depositional Environment: Marine (During the Lower Pliensbachian, shallow marine environments provided an ideal habitat for ammonites like Uptonia jamesoni. The fossilization took place in the Charmouth region, which was once submerged by the Jurassic seas of ancient Dorset.)
- Family: Ammonitidae (The Uptonia jamesoni belongs to the Ammonitidae family, a group of ammonites known for their smooth, coiled shells.)
- Superfamily: Ammonoidea
- Order: Ammonitida (Ammonites are part of the Cephalopoda class, which includes modern-day squid, cuttlefish, and octopuses.)
Morphology Features
The Uptonia jamesoni fossil is a beautiful example of a coiled ammonite. It exhibits a tight, well-defined spiral, with fine ribbing along its surface. The fossil’s distinctive suture lines and smooth curvature provide valuable insights into the growth and development of ammonites during the Jurassic period. Its shell is well-preserved, showcasing excellent ornamentation that enhances its aesthetic appeal.
Notable Features
This fossil is notable for its large size of 3.75 inches, making it an impressive piece in any collection. The well-defined spiral shape and fine ribbing make it a visually striking specimen. The Uptonia jamesoni is a highly sought-after ammonite species due to its historical significance and its distinctive appearance. The well-preserved features, such as the suture lines and fine ornamentation, contribute to its scientific and aesthetic value.
Size and Presentation
- Scale Cube: 1cm
- Full sizing is provided in the photos, so you can see the exact size of the ammonite.
- Actual Fossil: The fossil pictured is the exact piece you will receive.
Key Selling Points
- 100% Genuine Fossil
- Comes with a Certificate of Authenticity
- A rare and impressive 3.75″ Uptonia jamesoni ammonite from the Lower Pliensbachian, Jurassic period
- Distinct spiral shape, fine ribbing, and well-preserved suture lines
- Perfect for collectors and those interested in Jurassic ammonites and marine fossils
This 3.75″ Uptonia jamesoni Fossil Ammonite from Charmouth, Dorset, United Kingdom is an exceptional specimen from the Lower Pliensbachian stage of the Jurassic period. Its tight spiral, fine ribbing, and distinct suture lines make it a valuable addition to any fossil collection, particularly for those interested in Jurassic ammonites and marine life from this period.
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