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 3″ Nebrodites agrigentinus Fossil Ammonite – Lower Kimmeridgian, Upper Jurassic, Madagascar – Genuine + COA
£48.00
A rare 3-inch Nebrodites agrigentinus Fossil Ammonite, from the Lower Kimmeridgian Stage of the Upper Jurassic, collected in Madagascar. This ammonite is a fine representative of the genus Nebrodites, displaying its characteristic robust shell form and ribbing, making it both a valuable collector’s specimen and a significant piece for scientific study. The exact specimen shown in the photographs is the one you will receive, and it comes with a Certificate of Authenticity.
Fossil Type & Species:
Type: Ammonite (extinct marine cephalopod)
Species:Nebrodites agrigentinus
Order: Ammonitida
Superfamily: Perisphinctoidea
Family: Aspidoceratidae
Geological Context:
Period: Jurassic
Epoch/Stage: Upper Jurassic – Lower Kimmeridgian (approx. 157.3 to 155 million years ago)
Biozone: Typically associated with Platynota and early Kimmeridgian ammonite faunas used in global stratigraphy
Formation: Kimmeridgian marine limestone successions of Madagascar
Depositional Environment: Marine shelf environment with carbonate sedimentation, producing excellent preservation of ammonites
Locality:
Region: Madagascar
Morphology & Features:
Thick, robust shell with wide umbilicus
Coarse ribbing, ribs extending strongly over the venter
Evolute whorls with pronounced ornamentation
Diagnostic shell form typical of Nebrodites agrigentinus
Scientific Notes:
Nebrodites agrigentinus was first described in the 19th century as part of ammonite studies in the Kimmeridgian
A key taxon for understanding the diversity of Aspidoceratidae in the Upper Jurassic
Notable Details:
Well-preserved specimen with strong ribbing and shell features
Rare Madagascan ammonite with excellent display quality
100% genuine, natural fossil – no restoration
Scale Reference: Each square or cube in the image = 1cm. Please see photos for accurate sizing
Authenticity & Guarantee: All of our fossils are 100% genuine, responsibly sourced, and professionally curated. Each specimen includes a Certificate of Authenticity. The fossil pictured is the exact one you will receive.
This Nebrodites agrigentinus ammonite is a rare and scientifically valuable fossil from the Lower Kimmeridgian of Madagascar – a superb addition for collectors, researchers, or natural history displays.
A rare 3-inch Nebrodites agrigentinus Fossil Ammonite, from the Lower Kimmeridgian Stage of the Upper Jurassic, collected in Madagascar. This ammonite is a fine representative of the genus Nebrodites, displaying its characteristic robust shell form and ribbing, making it both a valuable collector’s specimen and a significant piece for scientific study. The exact specimen shown in the photographs is the one you will receive, and it comes with a Certificate of Authenticity.
Fossil Type & Species:
Type: Ammonite (extinct marine cephalopod)
Species:Nebrodites agrigentinus
Order: Ammonitida
Superfamily: Perisphinctoidea
Family: Aspidoceratidae
Geological Context:
Period: Jurassic
Epoch/Stage: Upper Jurassic – Lower Kimmeridgian (approx. 157.3 to 155 million years ago)
Biozone: Typically associated with Platynota and early Kimmeridgian ammonite faunas used in global stratigraphy
Formation: Kimmeridgian marine limestone successions of Madagascar
Depositional Environment: Marine shelf environment with carbonate sedimentation, producing excellent preservation of ammonites
Locality:
Region: Madagascar
Morphology & Features:
Thick, robust shell with wide umbilicus
Coarse ribbing, ribs extending strongly over the venter
Evolute whorls with pronounced ornamentation
Diagnostic shell form typical of Nebrodites agrigentinus
Scientific Notes:
Nebrodites agrigentinus was first described in the 19th century as part of ammonite studies in the Kimmeridgian
A key taxon for understanding the diversity of Aspidoceratidae in the Upper Jurassic
Notable Details:
Well-preserved specimen with strong ribbing and shell features
Rare Madagascan ammonite with excellent display quality
100% genuine, natural fossil – no restoration
Scale Reference: Each square or cube in the image = 1cm. Please see photos for accurate sizing
Authenticity & Guarantee: All of our fossils are 100% genuine, responsibly sourced, and professionally curated. Each specimen includes a Certificate of Authenticity. The fossil pictured is the exact one you will receive.
This Nebrodites agrigentinus ammonite is a rare and scientifically valuable fossil from the Lower Kimmeridgian of Madagascar – a superb addition for collectors, researchers, or natural history displays.
Additional information
Era
Jurassic
Origin
Madagascar
Jurassic Information
The Jurassic Period (201–145 million years ago) was the golden age of dinosaurs, with iconic species like Brachiosaurus, Stegosaurus, and Allosaurus dominating the land. It was a time of warm, humid climates, with high sea levels that created vast shallow seas, supporting abundant marine reptiles, ammonites, and early coral reefs. The first birds, such as Archaeopteryx, evolved from small theropod dinosaurs, while early mammals remained small and nocturnal. Lush forests of cycads, conifers, and ferns covered the land, providing food for giant herbivores. The breakup of the supercontinent Pangaea accelerated, shaping Earth's geography and setting the stage for the diverse ecosystems of the Cretaceous.
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