RARE Parkinsonia longidens Fossil Ammonite – Upper Bajocian, Jurassic, Normandy France – Genuine + COA
£ 24.00
A rare and scientifically significant Parkinsonia longidens Fossil Ammonite,
from the Upper Bajocian Stage of the Jurassic Period, collected in Normandy, France. This distinctive ammonite displays classic features of the species and comes with a Certificate of Authenticity. The photo shows the exact specimen you will receive.Fossil Type & Species:
• Type: Ammonite (extinct marine cephalopod)
• Species: Parkinsonia longidens
• Order: Ammonitida
• Superfamily: Stephanoceratoidea
• Family: ParkinsoniidaeGeological Context:
• Period: Jurassic
• Epoch/Stage: Middle Jurassic – Upper Bajocian (approx. 170.3 to 168.3 million years ago)
• Biozone: Likely from the Parkinsonia longidens Subzone of the Parkinsonia Zone, a well-recognised stratigraphic unit in Europe
• Depositional Environment: Shallow marine platform, dominated by calcareous sediments and periodic marl bedsLocality:
• Region: Normandy, France
• Formation: Bajocian marine limestones and marls typical of the Paris Basin (specific lithostratigraphy unconfirmed)Morphology & Features:
• Evolute shell with wide umbilicus
• Straight, fine ribbing that bifurcates gently along the flanks
• Flattened flanks and a sharply defined venter
• Excellent contrast between the ribbing and smooth interspacesScientific Notes:
• Parkinsonia longidens was first described by Sowerby in 1825, and is considered a key zonal index fossil in the European Bajocian stratigraphy
• Frequently used for interregional correlation in Middle Jurassic ammonite biostratigraphyNotable Details:
• Carefully selected, unaltered fossil with no restoration
• Outstanding preservation and diagnostic features visible
• Scale Reference: Each square or cube in the image = 1cm. Refer to image for full specimen dimensionsAuthenticity & Guarantee: All of our fossils are 100% genuine, responsibly sourced, and professionally curated. A Certificate of Authenticity is included with every purchase. An excellent opportunity to acquire a rare Parkinsonia longidens fossil ammonite – a true testament to the biodiversity of Jurassic marine life.
from the Upper Bajocian Stage of the Jurassic Period, collected in Normandy, France. This distinctive ammonite displays classic features of the species and comes with a Certificate of Authenticity. The photo shows the exact specimen you will receive.Fossil Type & Species:
• Type: Ammonite (extinct marine cephalopod)
• Species: Parkinsonia longidens
• Order: Ammonitida
• Superfamily: Stephanoceratoidea
• Family: ParkinsoniidaeGeological Context:
• Period: Jurassic
• Epoch/Stage: Middle Jurassic – Upper Bajocian (approx. 170.3 to 168.3 million years ago)
• Biozone: Likely from the Parkinsonia longidens Subzone of the Parkinsonia Zone, a well-recognised stratigraphic unit in Europe
• Depositional Environment: Shallow marine platform, dominated by calcareous sediments and periodic marl bedsLocality:
• Region: Normandy, France
• Formation: Bajocian marine limestones and marls typical of the Paris Basin (specific lithostratigraphy unconfirmed)Morphology & Features:
• Evolute shell with wide umbilicus
• Straight, fine ribbing that bifurcates gently along the flanks
• Flattened flanks and a sharply defined venter
• Excellent contrast between the ribbing and smooth interspacesScientific Notes:
• Parkinsonia longidens was first described by Sowerby in 1825, and is considered a key zonal index fossil in the European Bajocian stratigraphy
• Frequently used for interregional correlation in Middle Jurassic ammonite biostratigraphyNotable Details:
• Carefully selected, unaltered fossil with no restoration
• Outstanding preservation and diagnostic features visible
• Scale Reference: Each square or cube in the image = 1cm. Refer to image for full specimen dimensionsAuthenticity & Guarantee: All of our fossils are 100% genuine, responsibly sourced, and professionally curated. A Certificate of Authenticity is included with every purchase. An excellent opportunity to acquire a rare Parkinsonia longidens fossil ammonite – a true testament to the biodiversity of Jurassic marine life.
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