Rare Reynesella sowerbyi Fossil Ammonite | Bajocian Jurassic | Calvados France | Genuine Specimen with COA
£ 18.00
This listing is for a Rare Fossil Ammonite (Reynesella sowerbyi) from the
Bajocian Stage of the Middle Jurassic, discovered in Calvados, Normandy, 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: Reynesella sowerbyi.
• Order: Ammonitida.
• Superfamily: Stephanoceratoidea.
• Family: Stephanoceratidae.
• Geological Period: Jurassic.
• Stage/Age: Bajocian (approx. 170 – 168 million years ago).
• Locality: Calvados, France.NOTABLE FEATURES & MORPHOLOGY:
• Shell Form: Involute with a strong, robust shell.
• Ribs: Distinctive bifurcating ribs crossing the flanks, curving toward the venter.
• Whorl Section: Sub-rounded with ornamentation typical of Reynesella.
• Size: A rare, well-preserved example, making it highly sought after.DEPOSITIONAL ENVIRONMENT:During the Bajocian, the Calvados region was part of a shallow marine shelf with carbonate sedimentation. The limestone and marl sequences here preserved ammonites in fine detail, allowing identification of species used in stratigraphy and correlation.SCIENTIFIC & COLLECTING IMPORTANCE:Reynesella sowerbyi is a significant ammonite species for biostratigraphic correlation in the Bajocian. Its distinct ribbing and shell form make it a useful index fossil, as well as a desirable collector’s piece due to its rarity and preservation. Why Buy This Fossil?
• A rare ammonite species from the Bajocian of Calvados, France.
• Excellent preservation with distinctive ribbing.
• Perfect for collectors of Jurassic ammonites or European fossil specimens.
• Supplied with a Certificate of Authenticity guaranteeing its provenance. All of our fossils are responsibly sourced, carefully prepared, and chosen for quality.
Bajocian Stage of the Middle Jurassic, discovered in Calvados, Normandy, 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: Reynesella sowerbyi.
• Order: Ammonitida.
• Superfamily: Stephanoceratoidea.
• Family: Stephanoceratidae.
• Geological Period: Jurassic.
• Stage/Age: Bajocian (approx. 170 – 168 million years ago).
• Locality: Calvados, France.NOTABLE FEATURES & MORPHOLOGY:
• Shell Form: Involute with a strong, robust shell.
• Ribs: Distinctive bifurcating ribs crossing the flanks, curving toward the venter.
• Whorl Section: Sub-rounded with ornamentation typical of Reynesella.
• Size: A rare, well-preserved example, making it highly sought after.DEPOSITIONAL ENVIRONMENT:During the Bajocian, the Calvados region was part of a shallow marine shelf with carbonate sedimentation. The limestone and marl sequences here preserved ammonites in fine detail, allowing identification of species used in stratigraphy and correlation.SCIENTIFIC & COLLECTING IMPORTANCE:Reynesella sowerbyi is a significant ammonite species for biostratigraphic correlation in the Bajocian. Its distinct ribbing and shell form make it a useful index fossil, as well as a desirable collector’s piece due to its rarity and preservation. Why Buy This Fossil?
• A rare ammonite species from the Bajocian of Calvados, France.
• Excellent preservation with distinctive ribbing.
• Perfect for collectors of Jurassic ammonites or European 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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