Grossouvria kontkiewiczi Fossil Ammonite – Oxfordian Jurassic – Madagascar – Authentic with Certificate – Display Specimen
£ 6.60
This listing features a stunning and 100% authentic Grossouvria kontkiewiczi
fossil ammonite from the Oxfordian Stage of the Upper Jurassic, discovered in Madagascar. This is a scientifically notable and visually appealing ammonite species, representing the complex and highly ornamented lineage of Late Jurassic ammonoids.This is a genuine fossil specimen, selected for quality and preservation. The photo shows the exact item you will receive, with a scale cube (1cm) included for accurate sizing—please refer to the images for full dimensions.Species & Classification:
• Species: Grossouvria kontkiewiczi
• Genus: Grossouvria
• Family: Grossouvriidae
• Superfamily: Perisphinctoidea
• Order: Ammonitida
• Class: Cephalopoda
• Phylum: MolluscaGeological & Stratigraphic Context:
• Period: Jurassic
• Epoch: Late Jurassic
• Stage: Oxfordian (approx. 163.5 – 157.3 million years ago)
• Locality: Morondava Basin Region, Madagascar
• Depositional Environment: Shallow epicontinental sea with carbonate-rich sedimentation
• Geological Significance: The Oxfordian ammonite faunas of Madagascar are of major stratigraphic importance, enabling wide biostratigraphic correlation across Gondwanan continents.Morphology & Features:
• Strongly ribbed, moderately involute shell
• Characteristic bifurcating ribs that may terminate in small tubercles
• Often shows a compressed whorl section with a sharp venter
• The ornamentation is diagnostic for Grossouvria and useful in Jurassic zonation studies
• Beautiful preservation often enhanced by natural mineralisation in the matrixNotable Facts:
• Grossouvria kontkiewiczi is named in honour of Russian palaeontologist Professor Kontkiewicz and belongs to a genus identified and described in the 19th century by E. Haug and other European palaeontologists.
• Specimens from Madagascar provide exceptional clarity for study due to their three-dimensional preservation in limestone nodules.Why Buy This Fossil?
• ✔ 100% Genuine and legally sourced fossil
• ✔ Comes with a Certificate of Authenticity
• ✔ Scientifically significant species from a classic Jurassic locality
• ✔ Exact specimen as pictured – no surprises
• ✔ Ideal for collectors, educators, or as a stunning display pieceThis Grossouvria kontkiewiczi fossil ammonite is a rare and valuable addition to any collection, offering both visual appeal and palaeontological importance. Don't miss the opportunity to own a remarkable fossil from the heart of Jurassic Madagascar.
fossil ammonite from the Oxfordian Stage of the Upper Jurassic, discovered in Madagascar. This is a scientifically notable and visually appealing ammonite species, representing the complex and highly ornamented lineage of Late Jurassic ammonoids.This is a genuine fossil specimen, selected for quality and preservation. The photo shows the exact item you will receive, with a scale cube (1cm) included for accurate sizing—please refer to the images for full dimensions.Species & Classification:
• Species: Grossouvria kontkiewiczi
• Genus: Grossouvria
• Family: Grossouvriidae
• Superfamily: Perisphinctoidea
• Order: Ammonitida
• Class: Cephalopoda
• Phylum: MolluscaGeological & Stratigraphic Context:
• Period: Jurassic
• Epoch: Late Jurassic
• Stage: Oxfordian (approx. 163.5 – 157.3 million years ago)
• Locality: Morondava Basin Region, Madagascar
• Depositional Environment: Shallow epicontinental sea with carbonate-rich sedimentation
• Geological Significance: The Oxfordian ammonite faunas of Madagascar are of major stratigraphic importance, enabling wide biostratigraphic correlation across Gondwanan continents.Morphology & Features:
• Strongly ribbed, moderately involute shell
• Characteristic bifurcating ribs that may terminate in small tubercles
• Often shows a compressed whorl section with a sharp venter
• The ornamentation is diagnostic for Grossouvria and useful in Jurassic zonation studies
• Beautiful preservation often enhanced by natural mineralisation in the matrixNotable Facts:
• Grossouvria kontkiewiczi is named in honour of Russian palaeontologist Professor Kontkiewicz and belongs to a genus identified and described in the 19th century by E. Haug and other European palaeontologists.
• Specimens from Madagascar provide exceptional clarity for study due to their three-dimensional preservation in limestone nodules.Why Buy This Fossil?
• ✔ 100% Genuine and legally sourced fossil
• ✔ Comes with a Certificate of Authenticity
• ✔ Scientifically significant species from a classic Jurassic locality
• ✔ Exact specimen as pictured – no surprises
• ✔ Ideal for collectors, educators, or as a stunning display pieceThis Grossouvria kontkiewiczi fossil ammonite is a rare and valuable addition to any collection, offering both visual appeal and palaeontological importance. Don't miss the opportunity to own a remarkable fossil from the heart of Jurassic Madagascar.
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