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.
ARCESTES galeiformis Fossil Ammonite – Middle Triassic – Peloponnes, Greece
£36.00
This listing features a well-preserved Fossil Ammonite of the species Arcestes galeiformis, sourced from Middle Triassic marine strata in the Peloponnes region of Greece. Arcestes is an extinct genus of ammonoid cephalopods distinguished by its unique morphology and significance in Mesozoic marine ecosystems.
Fossil Type & Species:
Type: Fossilised Ammonite (Cephalopod)
Genus:Arcestes
Species:Arcestes galeiformis
Geological Context:
Era: Mesozoic
Period: Triassic
Stage: Middle Triassic (Ladinian)
Locality: Peloponnes, Greece
Depositional Environment: Shallow marine carbonate platform with restricted basin conditions, typical of the Tethyan realm
Morphological Features:
Broadly discoidal, almost globular involute shell
Very shallow umbilicus and smooth flanks
Suture lines relatively simple compared to later ammonoids
Robust, symmetrical body chamber with gently rounded venter
Scientific Notes:
Arcestes is often used in biostratigraphic correlation of Middle Triassic sequences across Europe
Shell shape and compact morphology are thought to relate to a slow-swimming or benthic lifestyle
Named for its distinct “boat-shaped” (galeiform) appearance
Taxonomy:
Order: Ceratitida
Superfamily: Arcestaceae
Family: Arcestidae
Formally Described By: Mojsisovics, 1882
Authenticity & Display:
All of our fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. The fossil shown in the photo is the actual specimen you will receive.
Please refer to the image for full sizing details – scale cube = 1cm.
This striking ammonite fossil makes a valuable addition to any palaeontology collection or educational exhibit, highlighting the diversity of cephalopods during the Triassic recovery period.
This listing features a well-preserved Fossil Ammonite of the species Arcestes galeiformis, sourced from Middle Triassic marine strata in the Peloponnes region of Greece. Arcestes is an extinct genus of ammonoid cephalopods distinguished by its unique morphology and significance in Mesozoic marine ecosystems.
Fossil Type & Species:
Type: Fossilised Ammonite (Cephalopod)
Genus:Arcestes
Species:Arcestes galeiformis
Geological Context:
Era: Mesozoic
Period: Triassic
Stage: Middle Triassic (Ladinian)
Locality: Peloponnes, Greece
Depositional Environment: Shallow marine carbonate platform with restricted basin conditions, typical of the Tethyan realm
Morphological Features:
Broadly discoidal, almost globular involute shell
Very shallow umbilicus and smooth flanks
Suture lines relatively simple compared to later ammonoids
Robust, symmetrical body chamber with gently rounded venter
Scientific Notes:
Arcestes is often used in biostratigraphic correlation of Middle Triassic sequences across Europe
Shell shape and compact morphology are thought to relate to a slow-swimming or benthic lifestyle
Named for its distinct “boat-shaped” (galeiform) appearance
Taxonomy:
Order: Ceratitida
Superfamily: Arcestaceae
Family: Arcestidae
Formally Described By: Mojsisovics, 1882
Authenticity & Display:
All of our fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. The fossil shown in the photo is the actual specimen you will receive.
Please refer to the image for full sizing details – scale cube = 1cm.
This striking ammonite fossil makes a valuable addition to any palaeontology collection or educational exhibit, highlighting the diversity of cephalopods during the Triassic recovery period.
Additional information
Era
Triassic
Triassic Information
The Triassic Period (252–201 million years ago) marked the beginning of the Mesozoic Era, following the Permian-Triassic mass extinction, the most severe extinction event in Earth's history. The climate was hot and dry, with vast deserts and little polar ice. Life slowly recovered, leading to the rise of the first dinosaurs, pterosaurs (flying reptiles), and early mammals. Reptiles, including large archosaurs (ancestors of crocodiles and dinosaurs), dominated both land and sea. In the oceans, ichthyosaurs and plesiosaurs thrived alongside ammonites and early coral reefs. The first true conifers and ginkgo trees spread across the land. The period ended with another mass extinction, paving the way for the Jurassic and the golden age of dinosaurs.
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