Description
This listing is for a genuine Perisphinctes (Arisphinctes) pickeringius ammonite fossil, discovered in the Ampthill Clay Formation at Newton Longville, United Kingdom. Originating from the Oxfordian stage of the Upper Jurassic period, this specimen is a beautiful representation of a once-living marine cephalopod that thrived around 160 million years ago.
The photograph shows the actual fossil specimen you will receive. For precise scale, please refer to the scale cube and ruler squares provided in the image (1cm each).
Fossil & Geological Details:
- Species: Perisphinctes (Arisphinctes) pickeringius
- Type: Extinct ammonite (cephalopod mollusc)
- Family: Perisphinctidae
- Super Family: Perisphinctoidea
- Order: Ammonitida
- Geological Stage: Oxfordian (Upper Jurassic)
- Biozone: Gregoryceras transversarium Zone (associated with Ampthill Clay fauna)
- Depositional Environment: Shallow epicontinental sea with soft marine clay substrate
- Morphology Features: Moderately involute shell with strong ribbing and bifurcating ribs from the umbilicus, a diagnostic feature of Arisphinctes subgenus
- Notable Feature: Preserved in typical Ampthill Clay matrix with fine detail and classic rib pattern
- Formally Identified By: The species “pickeringius” is attributed to early ammonite taxonomic work by J. Buckman in the 19th century
Why Buy From Us?
- Each fossil is 100% genuine and legally sourced
- Comes with a Certificate of Authenticity for provenance
- You receive the exact specimen pictured
- Professionally selected and carefully prepared for fossil collectors, educational purposes, or natural history enthusiasts
Overview: This Perisphinctes (Arisphinctes) ammonite from the Oxfordian clay deposits of the UK represents a classic British Jurassic ammonite, valued for both its scientific and aesthetic qualities. Perfect for display, study, or collection, this is a timeless piece of Earth’s ancient marine history.
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