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 Fossil Chalk Ammonite Acanthoceras vergonense | Lower Cenomanian Cretaceous | MONTAGNE France | Certified Genuine Fossil
£36.00
This listing features a rare and genuine fossil ammonite of the species Acanthoceras vergonense, originating from the Lower Cenomanian Stage of the Late Cretaceous Period, collected from the fossiliferous chalk beds near Montagne, France. This chalk-preserved ammonite represents a spectacular example of the genus known for its distinct morphological features and paleobiological importance.
This stunning 100% authentic specimen comes from a careful selection and is the exact fossil shown in the listing images. It includes a Certificate of Authenticity for complete buyer confidence and scientific accuracy.
Geological & Palaeontological Details:
Species:Acanthoceras vergonense
Genus: Acanthoceras
Geological Period: Cretaceous
Geological Stage: Lower Cenomanian (~100.5 to 93.9 million years ago)
Locality: Montagne, France
Depositional Environment: Chalk-rich marine platform; open epicontinental sea dominated by carbonate sedimentation
Order: Ammonitida
Superfamily: Acanthoceratoidea
Family: Acanthoceratidae
Biozone: Likely associated with the Mantelliceras mantelli or Mantelliceras dixoni zones (depending on stratigraphic position)
Formal Identification:Acanthoceras vergonense was formally recognised as part of the mid-Cretaceous ammonite fauna of the European Tethyan margin, described through successive stratigraphic surveys and monographs across France and Western Europe.
Morphological Features:
Characteristic strong ribbing with pronounced tubercles on the flanks
Broad, compressed whorls with a rounded venter
Moderate involution with ornamented growth lines
Chalk preservation enhances structural detail with high contrast
Notable Information:
Acanthoceras species are biostratigraphically significant for zonal correlation in the Cenomanian stage.
Fossils from the French chalk formations are particularly valued for their exceptional preservation and context in global Cretaceous ammonite biogeography.
The Acanthoceras vergonense represents an important part of the ammonoid radiation following the Albian-Cenomanian boundary.
Authenticity & Presentation:
100% genuine fossil specimen, not a cast or reproduction
Comes with Certificate of Authenticity
Scale cube = 1cm in photo for accurate sizing
You will receive the exact specimen pictured in the listing images
This is a beautifully preserved and rare Acanthoceras vergonense ammonite ideal for collectors, researchers, or museum-quality display.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
This listing features a rare and genuine fossil ammonite of the species Acanthoceras vergonense, originating from the Lower Cenomanian Stage of the Late Cretaceous Period, collected from the fossiliferous chalk beds near Montagne, France. This chalk-preserved ammonite represents a spectacular example of the genus known for its distinct morphological features and paleobiological importance.
This stunning 100% authentic specimen comes from a careful selection and is the exact fossil shown in the listing images. It includes a Certificate of Authenticity for complete buyer confidence and scientific accuracy.
Geological & Palaeontological Details:
Species:Acanthoceras vergonense
Genus: Acanthoceras
Geological Period: Cretaceous
Geological Stage: Lower Cenomanian (~100.5 to 93.9 million years ago)
Locality: Montagne, France
Depositional Environment: Chalk-rich marine platform; open epicontinental sea dominated by carbonate sedimentation
Order: Ammonitida
Superfamily: Acanthoceratoidea
Family: Acanthoceratidae
Biozone: Likely associated with the Mantelliceras mantelli or Mantelliceras dixoni zones (depending on stratigraphic position)
Formal Identification:Acanthoceras vergonense was formally recognised as part of the mid-Cretaceous ammonite fauna of the European Tethyan margin, described through successive stratigraphic surveys and monographs across France and Western Europe.
Morphological Features:
Characteristic strong ribbing with pronounced tubercles on the flanks
Broad, compressed whorls with a rounded venter
Moderate involution with ornamented growth lines
Chalk preservation enhances structural detail with high contrast
Notable Information:
Acanthoceras species are biostratigraphically significant for zonal correlation in the Cenomanian stage.
Fossils from the French chalk formations are particularly valued for their exceptional preservation and context in global Cretaceous ammonite biogeography.
The Acanthoceras vergonense represents an important part of the ammonoid radiation following the Albian-Cenomanian boundary.
Authenticity & Presentation:
100% genuine fossil specimen, not a cast or reproduction
Comes with Certificate of Authenticity
Scale cube = 1cm in photo for accurate sizing
You will receive the exact specimen pictured in the listing images
This is a beautifully preserved and rare Acanthoceras vergonense ammonite ideal for collectors, researchers, or museum-quality display.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.
Additional information
Era
Cretaceous
Origin
France
Cretaceous Information
The Cretaceous Period (145–66 million years ago) was the final era of the Mesozoic, marked by the dominance of dinosaurs and the rise of flowering plants. It had a warm, greenhouse climate, with high sea levels that created vast shallow inland seas. Marine life flourished, including mosasaurs, ammonites, and rudist reefs, while the land was ruled by iconic dinosaurs like Tyrannosaurus rex, Triceratops, and Spinosaurus. Mammals and birds diversified, and insects thrived. The period ended with the mass extinction event, likely caused by an asteroid impact, wiping out the dinosaurs and paving the way for the rise of mammals in the Cenozoic.
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