Rare Perisphinctes (Dichotomoceras) stenocycloides Fossil Ammonite | Middle Oxfordian Jurassic | Le Vanneau Deux-Sèvres France
£ 36.00
This listing is for a Rare Fossil Ammonite (Perisphinctes (Dichotomoceras)
stenocycloides) from the Middle Oxfordian Stage of the Late Jurassic, discovered at Le Vanneau, Deux-Sèvres, France.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: Perisphinctes (Dichotomoceras) stenocycloides.
• Order: Ammonitida.
• Superfamily: Perisphinctoidea.
• Family: Perisphinctidae.
• Geological Period: Jurassic.
• Stage/Age: Middle Oxfordian (approx. 163 – 157 million years ago).
• Locality: Le Vanneau, Deux-Sèvres, France.NOTABLE FEATURES & MORPHOLOGY:
• Shell Form: Evolute shell with open coiling, inner whorls visible.
• Ribs: Strong, bifurcating ribs across the flanks, a key feature of Dichotomoceras.
• Whorl Section: Rounded to slightly compressed, producing a bold ornamental appearance.
• Size: A rare, well-preserved specimen, highly desirable for collectors.DEPOSITIONAL ENVIRONMENT:During the Oxfordian, the region that is now western France was part of a shallow epicontinental sea. Warm, carbonate-rich marine sediments allowed for excellent preservation of ammonites and associated marine fauna.SCIENTIFIC & COLLECTING IMPORTANCE:Perisphinctes (Dichotomoceras) stenocycloides is a significant ammonite species for biostratigraphic correlation in the Oxfordian. Its diagnostic ribbing and evolute form make it an important index fossil and a prized collector’s piece. Why Buy This Fossil?
• A rare ammonite species from the Oxfordian of France.
• Excellent preservation with diagnostic ribbing and shell form.
• A valuable addition for collectors of Jurassic ammonites or European fossil material.
• Supplied with a Certificate of Authenticity guaranteeing its provenance. All of our fossils are responsibly sourced, carefully prepared, and chosen for quality.
stenocycloides) from the Middle Oxfordian Stage of the Late Jurassic, discovered at Le Vanneau, Deux-Sèvres, France.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: Perisphinctes (Dichotomoceras) stenocycloides.
• Order: Ammonitida.
• Superfamily: Perisphinctoidea.
• Family: Perisphinctidae.
• Geological Period: Jurassic.
• Stage/Age: Middle Oxfordian (approx. 163 – 157 million years ago).
• Locality: Le Vanneau, Deux-Sèvres, France.NOTABLE FEATURES & MORPHOLOGY:
• Shell Form: Evolute shell with open coiling, inner whorls visible.
• Ribs: Strong, bifurcating ribs across the flanks, a key feature of Dichotomoceras.
• Whorl Section: Rounded to slightly compressed, producing a bold ornamental appearance.
• Size: A rare, well-preserved specimen, highly desirable for collectors.DEPOSITIONAL ENVIRONMENT:During the Oxfordian, the region that is now western France was part of a shallow epicontinental sea. Warm, carbonate-rich marine sediments allowed for excellent preservation of ammonites and associated marine fauna.SCIENTIFIC & COLLECTING IMPORTANCE:Perisphinctes (Dichotomoceras) stenocycloides is a significant ammonite species for biostratigraphic correlation in the Oxfordian. Its diagnostic ribbing and evolute form make it an important index fossil and a prized collector’s piece. Why Buy This Fossil?
• A rare ammonite species from the Oxfordian of France.
• Excellent preservation with diagnostic ribbing and shell form.
• A valuable addition for collectors of Jurassic ammonites or European fossil material.
• 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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