Rare 4" Leopoldia leopoldina Fossil Ammonite – Hauterivian, Cretaceous, Analava Madagascar – Genuine + COA
£ 60.00
A rare and beautifully preserved Leopoldia leopoldina Fossil Ammonite, measuring
approximately 4 inches (10 cm), from the Hauterivian Stage of the Cretaceous Period, collected in Analava, Madagascar. This fossil is a striking example of a rare genus, showcasing elegant shell structure and excellent preservation. The specimen pictured is the exact one you will receive, supplied with a Certificate of Authenticity.Fossil Type & Species:
• Type: Ammonite (extinct marine cephalopod)
• Species: Leopoldia leopoldina
• Order: Ammonitida
• Superfamily: Perisphinctoidea (tentative placement)
• Family: Desmoceratidae (probable attribution)Geological Context:
• Period: Cretaceous
• Epoch/Stage: Lower Cretaceous – Hauterivian (approx. 132.9 to 129.4 million years ago)
• Biozone: Associated with Hauterivian ammonite faunas commonly used for stratigraphic correlation in Tethyan regions
• Depositional Environment: Marine shelf deposits, with alternating marls and limestones favourable to ammonite preservationLocality:
• Region: Analava, Madagascar
• Formation: Hauterivian marine deposits (specific stratigraphy not confirmed)Morphology & Features:
• Moderately evolute shell with wide umbilicus
• Fine ribbing along the flanks, occasionally bifurcating
• Rounded venter with continuous ribbing
• Symmetrical whorls showing characteristic features of the genus LeopoldiaScientific Notes:
• Leopoldia leopoldina was originally described by d’Orbigny in 1841, a pioneer in ammonite taxonomy
• This species is a biostratigraphically significant ammonite for correlating Hauterivian strata in Madagascar and beyondNotable Details:
• Excellent preservation with clear ribbing and shell form
• 100% natural specimen with no restoration
• Scale Reference: Each square or cube = 1cm. Please see the photo for accurate fossil dimensionsAuthenticity & Guarantee: All of our fossils are 100% genuine, responsibly sourced, and professionally curated. A Certificate of Authenticity is included with your purchase. The fossil shown is the exact specimen you will receive. This Leopoldia leopoldina ammonite is a rare and scientifically important specimen, making it a superb addition to any fossil collection or natural history display.
approximately 4 inches (10 cm), from the Hauterivian Stage of the Cretaceous Period, collected in Analava, Madagascar. This fossil is a striking example of a rare genus, showcasing elegant shell structure and excellent preservation. The specimen pictured is the exact one you will receive, supplied with a Certificate of Authenticity.Fossil Type & Species:
• Type: Ammonite (extinct marine cephalopod)
• Species: Leopoldia leopoldina
• Order: Ammonitida
• Superfamily: Perisphinctoidea (tentative placement)
• Family: Desmoceratidae (probable attribution)Geological Context:
• Period: Cretaceous
• Epoch/Stage: Lower Cretaceous – Hauterivian (approx. 132.9 to 129.4 million years ago)
• Biozone: Associated with Hauterivian ammonite faunas commonly used for stratigraphic correlation in Tethyan regions
• Depositional Environment: Marine shelf deposits, with alternating marls and limestones favourable to ammonite preservationLocality:
• Region: Analava, Madagascar
• Formation: Hauterivian marine deposits (specific stratigraphy not confirmed)Morphology & Features:
• Moderately evolute shell with wide umbilicus
• Fine ribbing along the flanks, occasionally bifurcating
• Rounded venter with continuous ribbing
• Symmetrical whorls showing characteristic features of the genus LeopoldiaScientific Notes:
• Leopoldia leopoldina was originally described by d’Orbigny in 1841, a pioneer in ammonite taxonomy
• This species is a biostratigraphically significant ammonite for correlating Hauterivian strata in Madagascar and beyondNotable Details:
• Excellent preservation with clear ribbing and shell form
• 100% natural specimen with no restoration
• Scale Reference: Each square or cube = 1cm. Please see the photo for accurate fossil dimensionsAuthenticity & Guarantee: All of our fossils are 100% genuine, responsibly sourced, and professionally curated. A Certificate of Authenticity is included with your purchase. The fossil shown is the exact specimen you will receive. This Leopoldia leopoldina ammonite is a rare and scientifically important specimen, making it a superb addition to any fossil collection or natural history display.
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