Rare Geyerina fasciata Fossil Ammonite | Bajocian Jurassic | Calvados France | Genuine Specimen with COA
£ 12.60
This listing is for a Rare Fossil Ammonite (Geyerina fasciata) 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: Geyerina fasciata.
• 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: Moderately involute with compressed to sub-rounded whorls.
• Ribs: Strong, regular ribbing crossing the flanks, often bifurcating, typical of Geyerina.
• Whorl Section: Slightly compressed, giving the ammonite a striking appearance.
• Size: A rare, well-preserved specimen, highly desirable for collectors.DEPOSITIONAL ENVIRONMENT:During the Bajocian, the Calvados region was part of a shallow marine environment with carbonate-rich sediments. The limestone and marl deposits preserved ammonites in exceptional detail, making them important for palaeontological study.SCIENTIFIC & COLLECTING IMPORTANCE:Geyerina fasciata is an important ammonite species for biostratigraphic correlation in the Bajocian. Its diagnostic ribbing and shell form make it valuable both for identifying Jurassic strata and as a collector’s piece. Why Buy This Fossil?
• A rare ammonite species from the Bajocian of Calvados, France.
• Excellent preservation with strong ribbing.
• A highly desirable specimen 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.
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: Geyerina fasciata.
• 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: Moderately involute with compressed to sub-rounded whorls.
• Ribs: Strong, regular ribbing crossing the flanks, often bifurcating, typical of Geyerina.
• Whorl Section: Slightly compressed, giving the ammonite a striking appearance.
• Size: A rare, well-preserved specimen, highly desirable for collectors.DEPOSITIONAL ENVIRONMENT:During the Bajocian, the Calvados region was part of a shallow marine environment with carbonate-rich sediments. The limestone and marl deposits preserved ammonites in exceptional detail, making them important for palaeontological study.SCIENTIFIC & COLLECTING IMPORTANCE:Geyerina fasciata is an important ammonite species for biostratigraphic correlation in the Bajocian. Its diagnostic ribbing and shell form make it valuable both for identifying Jurassic strata and as a collector’s piece. Why Buy This Fossil?
• A rare ammonite species from the Bajocian of Calvados, France.
• Excellent preservation with strong ribbing.
• A highly desirable specimen 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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