Fossils for Sale - High-quality BRITISH and WORLDWIDE Fossils. An impressive selection of fossils, including Ammonites, Trilobites, Belemnites, Fossil Fish, Fossil Shark Teeth, Fossilised Insects in Amber, Dinosaurs, and Reptiles. UK Fossils was formed in 1988 and collects and preps our own fossils in the heart of the Jurassic Coast, collecting fossils from Lyme Regis, Charmouth and Somerset. Our passion for fossils is reflected in our carefully curated collection, which includes some of the rarest and most unique specimens available.
Rare Orthosphinctes (Ardescia) proinconditus Fossil Ammonite – Upper Oxfordian, Upper Jurassic, Grafenberg Bavaria Germany – Genuine + COA
£78.00Original price was: £78.00.£69.00Current price is: £69.00.
A rare Orthosphinctes (Ardescia) proinconditus Fossil Ammonite, from the Upper Oxfordian Stage of the Upper Jurassic, collected at Grafenberg, Bavaria, Germany. This ammonite is a classic representative of the genus Orthosphinctes, known for its large, ribbed shell and stratigraphic importance in European Jurassic deposits. The specimen shown in the photographs is the exact one you will receive, and it is supplied with a Certificate of Authenticity.
Fossil Type & Species:
Type: Ammonite (extinct marine cephalopod)
Species:Orthosphinctes (Ardescia) proinconditus
Order: Ammonitida
Superfamily: Perisphinctoidea
Family: Perisphinctidae
Geological Context:
Period: Jurassic
Epoch/Stage: Upper Jurassic – Upper Oxfordian (approx. 161 to 157.3 million years ago)
Biozone: Associated with the Bifurcatus Zone and related ammonite faunas, widely used in Oxfordian stratigraphy across Europe
Formation: Upper Oxfordian limestone successions of Bavaria
Depositional Environment: Marine platform environment with carbonate-rich sediments, ideal for ammonite fossilisation
Locality:
Region: Grafenberg, Bavaria, Germany
Morphology & Features:
Evolute shell with wide umbilicus
Strong, regularly spaced ribs extending across flanks and over the venter
Whorls with pronounced ornamentation, typical of Orthosphinctes
Large, robust form making it highly collectable
Scientific Notes:
Orthosphinctes proinconditus was first described in the 19th century during studies of Bavarian Jurassic ammonites
The genus Orthosphinctes is an important index genus for Upper Oxfordian biostratigraphy in central Europe
Notable Details:
Well-preserved specimen with strong ribbing and shell detail
Rare German ammonite from a historic fossil locality
100% genuine, natural fossil with no restoration
Scale Reference: Each square or cube in the image = 1cm. Please see photos for exact sizing
Authenticity & Guarantee: All of our fossils are 100% genuine, responsibly sourced, and professionally curated. Every specimen comes with a Certificate of Authenticity. The fossil pictured is the exact one you will receive.
This Orthosphinctes (Ardescia) proinconditus ammonite is a rare and scientifically valuable fossil from the Upper Oxfordian of Bavaria – an exceptional addition for collectors, researchers, or natural history displays.
A rare Orthosphinctes (Ardescia) proinconditus Fossil Ammonite, from the Upper Oxfordian Stage of the Upper Jurassic, collected at Grafenberg, Bavaria, Germany. This ammonite is a classic representative of the genus Orthosphinctes, known for its large, ribbed shell and stratigraphic importance in European Jurassic deposits. The specimen shown in the photographs is the exact one you will receive, and it is supplied with a Certificate of Authenticity.
Fossil Type & Species:
Type: Ammonite (extinct marine cephalopod)
Species:Orthosphinctes (Ardescia) proinconditus
Order: Ammonitida
Superfamily: Perisphinctoidea
Family: Perisphinctidae
Geological Context:
Period: Jurassic
Epoch/Stage: Upper Jurassic – Upper Oxfordian (approx. 161 to 157.3 million years ago)
Biozone: Associated with the Bifurcatus Zone and related ammonite faunas, widely used in Oxfordian stratigraphy across Europe
Formation: Upper Oxfordian limestone successions of Bavaria
Depositional Environment: Marine platform environment with carbonate-rich sediments, ideal for ammonite fossilisation
Locality:
Region: Grafenberg, Bavaria, Germany
Morphology & Features:
Evolute shell with wide umbilicus
Strong, regularly spaced ribs extending across flanks and over the venter
Whorls with pronounced ornamentation, typical of Orthosphinctes
Large, robust form making it highly collectable
Scientific Notes:
Orthosphinctes proinconditus was first described in the 19th century during studies of Bavarian Jurassic ammonites
The genus Orthosphinctes is an important index genus for Upper Oxfordian biostratigraphy in central Europe
Notable Details:
Well-preserved specimen with strong ribbing and shell detail
Rare German ammonite from a historic fossil locality
100% genuine, natural fossil with no restoration
Scale Reference: Each square or cube in the image = 1cm. Please see photos for exact sizing
Authenticity & Guarantee: All of our fossils are 100% genuine, responsibly sourced, and professionally curated. Every specimen comes with a Certificate of Authenticity. The fossil pictured is the exact one you will receive.
This Orthosphinctes (Ardescia) proinconditus ammonite is a rare and scientifically valuable fossil from the Upper Oxfordian of Bavaria – an exceptional addition for collectors, researchers, or natural history displays.
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