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.
Alethopteris decurrens Fossil Fern | Carboniferous Plant | Coal Measures | Radstock UK | Genuine with Certificate
£36.00
You are purchasing the exact specimen of Alethopteris decurrens fossil fern featured in the photographs. This genuine fossil includes beautifully preserved fern leaves and associated stem structures, offering a striking glimpse into Carboniferous period flora. A scale cube (1cm) is included in the photo for full size reference — please see all photos for full details.
Specimen Discovery & Preparation:
Species: Alethopteris decurrens
Discovered: 12 May 2025
Location: Coal Measures, Carboniferous — Radstock, Somerset, UK
Discovered by: Alister and Alison (UKGE Team)
Cleaned and prepped by: Alison
Geological Context:
Geological Stage: Late Carboniferous (Pennsylvanian)
Formation: Coal Measures
Depositional Environment: Lowland swamp/deltaic environment, rich in plant material — conducive to coal formation and fossil preservation
Morphology Features:
Alethopteris ferns are recognized by their broad pinnules (leaflets), typically oblong to lanceolate in shape, often with strong midribs and well-defined venation. “Decurrens” may refer to the attachment of the leaf base that extends downward along the stem. Associated stem material enhances the palaeobotanical value.
Taxonomy (as far as established):
Order: Medullosales
Family: Alethopteridaceae
Group: Seed ferns (Pteridospermatophyta)
Why Choose This Fossil?
100% Genuine Specimen
Includes a Certificate of Authenticity
Individually photographed — what you see is what you get
Carefully excavated and professionally prepared by the UKGE team
Perfect for:
Fossil and natural history collectors
Educational and research purposes
Unique display or gift for science enthusiasts
Note:
Scale cube = 1cm. You will receive the exact specimen shown in the images. Please examine all photographs for condition and details before purchasing.
You are purchasing the exact specimen of Alethopteris decurrens fossil fern featured in the photographs. This genuine fossil includes beautifully preserved fern leaves and associated stem structures, offering a striking glimpse into Carboniferous period flora. A scale cube (1cm) is included in the photo for full size reference — please see all photos for full details.
Specimen Discovery & Preparation:
Species: Alethopteris decurrens
Discovered: 12 May 2025
Location: Coal Measures, Carboniferous — Radstock, Somerset, UK
Discovered by: Alister and Alison (UKGE Team)
Cleaned and prepped by: Alison
Geological Context:
Geological Stage: Late Carboniferous (Pennsylvanian)
Formation: Coal Measures
Depositional Environment: Lowland swamp/deltaic environment, rich in plant material — conducive to coal formation and fossil preservation
Morphology Features:
Alethopteris ferns are recognized by their broad pinnules (leaflets), typically oblong to lanceolate in shape, often with strong midribs and well-defined venation. “Decurrens” may refer to the attachment of the leaf base that extends downward along the stem. Associated stem material enhances the palaeobotanical value.
Taxonomy (as far as established):
Order: Medullosales
Family: Alethopteridaceae
Group: Seed ferns (Pteridospermatophyta)
Why Choose This Fossil?
100% Genuine Specimen
Includes a Certificate of Authenticity
Individually photographed — what you see is what you get
Carefully excavated and professionally prepared by the UKGE team
Perfect for:
Fossil and natural history collectors
Educational and research purposes
Unique display or gift for science enthusiasts
Note:
Scale cube = 1cm. You will receive the exact specimen shown in the images. Please examine all photographs for condition and details before purchasing.
Additional information
Era
Carboniferous
Origin
United Kingdom
Carboniferous Information
The Carboniferous Period (359–299 million years ago) was a time of vast forests, giant insects, and the first reptiles. Named for its extensive coal deposits, this period saw lush swamps filled with towering lycophyte trees, ferns, and horsetails, which would later become today’s coal reserves. The climate was warm and humid, with high oxygen levels fueling the growth of giant arthropods like the dragonfly-like Meganeura and the massive millipede Arthropleura. Amphibians thrived in swampy environments, while the first reptiles evolved, laying eggs on land. In the oceans, sharks and early bony fish dominated, and corals flourished in warm, shallow seas. The period ended with a cooling climate and glaciation, leading to the drying of swamps and the decline of many species.
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