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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 preservation
Locality:
- 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 Leopoldia
Scientific 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 beyond
Notable 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 dimensions
Authenticity & 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.
(Actual as seen)
Only 1 left in stock
Description
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 preservation
Locality:
- 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 Leopoldia
Scientific 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 beyond
Notable 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 dimensions
Authenticity & 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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