Description
For sale is an authentic Perisphinctes (Dichotomosphinctes) ammonite fossil from the Middle Oxfordian stage of the Jurassic Period, discovered in Charente, France. This well-preserved ammonite features the distinctive ribbed shell pattern characteristic of the Perisphinctidae family, making it a fascinating and scientifically significant specimen.
Geology & Fossil Type:
This ammonite originates from the Middle Oxfordian, a stage within the Upper Jurassic, dating back approximately 160 million years. The Oxfordian period was marked by vast shallow marine environments where ammonites flourished. These fossils are particularly valuable for biostratigraphic dating, allowing geologists to correlate Jurassic rock layers worldwide.
Perisphinctes (Dichotomosphinctes) belonged to the subclass Ammonoidea, an extinct group of marine mollusks closely related to modern squids and octopuses. These ammonites used their chambered shells for buoyancy control, making them highly adaptable swimmers in the ancient seas. Their complex ribbing and coiled structures provided both strength and protection, helping them survive in diverse marine habitats.
Fossil Details:
- 100% Genuine Fossil – No Replicas or Synthetics
- Comes with a Certificate of Authenticity
- From the Alice Purnell Collection, a highly regarded fossil collection
- Scale cube = 1cm for size reference (please see photos for full dimensions)
- You will receive the exact specimen shown in the listing
This rare Perisphinctes (Dichotomosphinctes) ammonite fossil is an exceptional specimen for fossil collectors, educators, and natural history enthusiasts. Whether displayed as a stunning showcase piece, studied for its geological significance, or given as a unique prehistoric gift, this ammonite offers an extraordinary glimpse into the Jurassic seas.
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