RARE Praeparkinsonia garantiformis Fossil Ammonite – Upper Bajocian, Jurassic, Segenthal Bavaria Germany – Genuine + COA
£ 12.60
A rare and scientifically significant Praeparkinsonia garantiformis Fossil
Ammonite, from the Upper Bajocian Stage of the Jurassic Period, collected at Segenthal, Bavaria, Germany. This ammonite is a highly recognisable species, with distinctive ribbing and morphology, making it both a collector’s specimen and an important stratigraphic fossil. The exact specimen shown in the photos is the one you will receive, supplied with a Certificate of Authenticity.Fossil Type & Species:
• Type: Ammonite (extinct marine cephalopod)
• Species: Praeparkinsonia garantiformis
• 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: Garantiana Zone, where Praeparkinsonia garantiformis is an index species in European ammonite biostratigraphy
• Depositional Environment: Marine shelf environment, alternating marls and limestones, highly favourable to ammonite preservationLocality:
• Region: Segenthal, Bavaria, Germany
• Formation: Upper Bajocian limestone-marl successions of the Franconian JuraMorphology & Features:
• Evolute shell with wide umbilicus
• Coarse, well-spaced ribs bifurcating from the umbilical edge
• Rounded venter with ribbing crossing uninterrupted
• Thickened ribbing and distinctive ornamentation, characteristic of Praeparkinsonia garantiformisScientific Notes:
• Praeparkinsonia garantiformis was first described by Oppel (1863), a leading pioneer of Jurassic biostratigraphy
• This ammonite is a key biostratigraphic marker used to define Upper Bajocian sequences across central EuropeNotable Details:
• Excellent preservation with sharp ribbing and whorl structure
• 100% natural, no restoration or composite work
• Scale Reference: Each square or cube = 1cm. Please check the photograph for exact dimensionsAuthenticity & Guarantee: All of our fossils are 100% genuine, responsibly sourced, and include a Certificate of Authenticity. The fossil you see is the exact specimen you will receive. This Praeparkinsonia garantiformis ammonite is a scientifically valuable and visually striking specimen, ideal for collectors, educational use, or display.
Ammonite, from the Upper Bajocian Stage of the Jurassic Period, collected at Segenthal, Bavaria, Germany. This ammonite is a highly recognisable species, with distinctive ribbing and morphology, making it both a collector’s specimen and an important stratigraphic fossil. The exact specimen shown in the photos is the one you will receive, supplied with a Certificate of Authenticity.Fossil Type & Species:
• Type: Ammonite (extinct marine cephalopod)
• Species: Praeparkinsonia garantiformis
• 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: Garantiana Zone, where Praeparkinsonia garantiformis is an index species in European ammonite biostratigraphy
• Depositional Environment: Marine shelf environment, alternating marls and limestones, highly favourable to ammonite preservationLocality:
• Region: Segenthal, Bavaria, Germany
• Formation: Upper Bajocian limestone-marl successions of the Franconian JuraMorphology & Features:
• Evolute shell with wide umbilicus
• Coarse, well-spaced ribs bifurcating from the umbilical edge
• Rounded venter with ribbing crossing uninterrupted
• Thickened ribbing and distinctive ornamentation, characteristic of Praeparkinsonia garantiformisScientific Notes:
• Praeparkinsonia garantiformis was first described by Oppel (1863), a leading pioneer of Jurassic biostratigraphy
• This ammonite is a key biostratigraphic marker used to define Upper Bajocian sequences across central EuropeNotable Details:
• Excellent preservation with sharp ribbing and whorl structure
• 100% natural, no restoration or composite work
• Scale Reference: Each square or cube = 1cm. Please check the photograph for exact dimensionsAuthenticity & Guarantee: All of our fossils are 100% genuine, responsibly sourced, and include a Certificate of Authenticity. The fossil you see is the exact specimen you will receive. This Praeparkinsonia garantiformis ammonite is a scientifically valuable and visually striking specimen, ideal for collectors, educational use, or display.
