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.
This striking and rare fossil is a beautifully preserved specimen of the extinct ammonoid genus Sporadoceras, specifically the species Sporadoceras muesteri. It hails from the Upper Devonian period and was discovered in Morocco, a region well-known for its rich and diverse fossil beds.
Geological Details:
Species:Sporadoceras muesteri
Type: Goniatite (extinct ammonoid cephalopod)
Geological Period: Upper Devonian (~382 – 359 million years ago)
Formation: Likely derived from the Anti-Atlas region’s marine Devonian limestone deposits
Location Found: Morocco
Zone/Biozone: Specific zone data not clearly defined for this specimen
Stage: Possibly Frasnian or Famennian Stage
Family: Tornoceratidae
Superfamily: Tornoceratoidea
Order: Goniatitida
Morphological Features:
Involute shell structure with gently curved, lobed sutures characteristic of goniatites
Fine ribbing and smooth whorls
Prominent suture lines visible, showcasing evolutionary development from nautiloids to more derived ammonoids
The size and quality make this a particularly desirable collector’s item
Depositional Environment: The fossil was formed in a shallow marine shelf setting, rich in carbonate sediments typical of Devonian warm tropical seas that covered much of what is now North Africa. The conditions promoted exceptional preservation.
Notable Information:
Goniatites are ancestors of modern cephalopods such as squid and octopus
The genus Sporadoceras is significant in biostratigraphy for helping to date Devonian marine strata
Specimen Specifics:
You will receive the exact specimen shown in the photo
Scale Rule Squares / Cube = 1cm for size reference
Please refer to photos for full sizing and detail
Certificate of Authenticity: All of our fossils are 100% genuine and carefully selected. A Certificate of Authenticity is included with every purchase for your confidence and records.
Add this exceptional and scientifically significant piece to your fossil collection today. A unique window into the ancient marine ecosystems of the Devonian seas!
This striking and rare fossil is a beautifully preserved specimen of the extinct ammonoid genus Sporadoceras, specifically the species Sporadoceras muesteri. It hails from the Upper Devonian period and was discovered in Morocco, a region well-known for its rich and diverse fossil beds.
Geological Details:
Species:Sporadoceras muesteri
Type: Goniatite (extinct ammonoid cephalopod)
Geological Period: Upper Devonian (~382 – 359 million years ago)
Formation: Likely derived from the Anti-Atlas region’s marine Devonian limestone deposits
Location Found: Morocco
Zone/Biozone: Specific zone data not clearly defined for this specimen
Stage: Possibly Frasnian or Famennian Stage
Family: Tornoceratidae
Superfamily: Tornoceratoidea
Order: Goniatitida
Morphological Features:
Involute shell structure with gently curved, lobed sutures characteristic of goniatites
Fine ribbing and smooth whorls
Prominent suture lines visible, showcasing evolutionary development from nautiloids to more derived ammonoids
The size and quality make this a particularly desirable collector’s item
Depositional Environment: The fossil was formed in a shallow marine shelf setting, rich in carbonate sediments typical of Devonian warm tropical seas that covered much of what is now North Africa. The conditions promoted exceptional preservation.
Notable Information:
Goniatites are ancestors of modern cephalopods such as squid and octopus
The genus Sporadoceras is significant in biostratigraphy for helping to date Devonian marine strata
Specimen Specifics:
You will receive the exact specimen shown in the photo
Scale Rule Squares / Cube = 1cm for size reference
Please refer to photos for full sizing and detail
Certificate of Authenticity: All of our fossils are 100% genuine and carefully selected. A Certificate of Authenticity is included with every purchase for your confidence and records.
Add this exceptional and scientifically significant piece to your fossil collection today. A unique window into the ancient marine ecosystems of the Devonian seas!
Additional information
Era
Devonian
Origin
Morocco
Devonian Information
The Devonian Period (419–359 million years ago), known as the "Age of Fishes," was a time of major evolutionary advances in both marine and terrestrial life. The oceans were dominated by armored placoderm fish, early sharks, and lobe-finned fish like Tiktaalik, which had features that helped vertebrates transition to land. Coral reefs flourished, and ammonites became more diverse. On land, the first forests appeared, with early trees like Archaeopteris, leading to a drop in atmospheric carbon dioxide and climate cooling. The first tetrapods (four-legged vertebrates) began evolving from fish, marking a critical step in the evolution of amphibians. The period ended with the Devonian extinction, likely caused by ocean anoxia and climate shifts, wiping out many marine species and reshaping ecosystems.
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