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.
Genuine 14″ Diplomystus dentatus Fossil Fish – Mounted Wall Display – Green River Formation Eocene USA – Certificate Included
£1,080.00Original price was: £1,080.00.£972.00Current price is: £972.00.
Authentic 14″ Diplomystus dentatus Fossil Fish – Mounted Wall Display from the Green River Formation, Wyoming, USA
This stunning 14-inch Diplomystus dentatus fossil fish is a genuine specimen from the world-famous Green River Formation of Wyoming, USA. Mounted on a natural limestone slab and fitted with sturdy hanging chains, it is ready for immediate display as a striking piece of prehistoric natural history wall art.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity
Scale Rule Squares / Cube = 1cm: Please refer to photo for full sizing
What you see is exactly what you’ll receive – no stock photos or replicas
Fossil Information
Species:Diplomystus dentatus
Fossil Type: Complete fossil fish
Length: Approx. 14 inches
Formation: Green River Formation
Member: Fossil Butte Member
Layer: Split Fish Layer
Geological Age: Eocene Epoch (~50 million years ago)
Location: Kemmerer, Wyoming, USA
Scientific Classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii (Ray-finned fishes)
Order: Elopiformes
Family: Ellimmichthyidae
Genus:Diplomystus
Species:D. dentatus
Geological & Environmental Context
Depositional Environment:
The Green River Formation represents a series of intermountain lake basins formed during the Eocene. These lakes had anoxic bottom waters and very fine sediments, ideal for the exquisite preservation of soft-bodied and bony structures.
The Split Fish Layer is known for producing fossil specimens with incredible detail, preserved in laminated micritic limestone.
Paleoecology & Morphology:
Diplomystus dentatus was a predatory fish characterized by its upturned mouth and elongated body. It likely fed on smaller fish species like Knightia, which are often found alongside it.
Notable for its forked tail, ganoid scales, and distinct vertebral column preserved in high detail in fossil specimens.
Notable Features:
Exceptionally well-preserved skeleton with fine bone structure
Beautiful display piece with natural contrasting matrix
Professionally mounted with metal hardware and chains for secure wall hanging
Why This Fossil Stands Out
This is a museum-quality piece sourced from a well-documented, classic fossil locality.
Highly collectible due to its size (14 inches), aesthetic presentation, and scientific importance.
Green River fossils are celebrated worldwide for their completeness, clarity, and context within ancient lacustrine environments.
What’s Included
One genuine fossil of Diplomystus dentatus mounted on slab
Wall-mounting chains pre-installed
Certificate of Authenticity confirming scientific and locality details
Secure, tracked shipping with protective packaging
Perfect For
Natural history collectors
Interior decorators and enthusiasts of fossil décor
Educational institutions and museums
Science lovers and fossil display enthusiasts
(Actual as seen)
Includes a fully hand-signed Premium Certificate of Authenticity.
Authentic 14″ Diplomystus dentatus Fossil Fish – Mounted Wall Display from the Green River Formation, Wyoming, USA
This stunning 14-inch Diplomystus dentatus fossil fish is a genuine specimen from the world-famous Green River Formation of Wyoming, USA. Mounted on a natural limestone slab and fitted with sturdy hanging chains, it is ready for immediate display as a striking piece of prehistoric natural history wall art.
All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity
Scale Rule Squares / Cube = 1cm: Please refer to photo for full sizing
What you see is exactly what you’ll receive – no stock photos or replicas
Fossil Information
Species:Diplomystus dentatus
Fossil Type: Complete fossil fish
Length: Approx. 14 inches
Formation: Green River Formation
Member: Fossil Butte Member
Layer: Split Fish Layer
Geological Age: Eocene Epoch (~50 million years ago)
Location: Kemmerer, Wyoming, USA
Scientific Classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii (Ray-finned fishes)
Order: Elopiformes
Family: Ellimmichthyidae
Genus:Diplomystus
Species:D. dentatus
Geological & Environmental Context
Depositional Environment:
The Green River Formation represents a series of intermountain lake basins formed during the Eocene. These lakes had anoxic bottom waters and very fine sediments, ideal for the exquisite preservation of soft-bodied and bony structures.
The Split Fish Layer is known for producing fossil specimens with incredible detail, preserved in laminated micritic limestone.
Paleoecology & Morphology:
Diplomystus dentatus was a predatory fish characterized by its upturned mouth and elongated body. It likely fed on smaller fish species like Knightia, which are often found alongside it.
Notable for its forked tail, ganoid scales, and distinct vertebral column preserved in high detail in fossil specimens.
Notable Features:
Exceptionally well-preserved skeleton with fine bone structure
Beautiful display piece with natural contrasting matrix
Professionally mounted with metal hardware and chains for secure wall hanging
Why This Fossil Stands Out
This is a museum-quality piece sourced from a well-documented, classic fossil locality.
Highly collectible due to its size (14 inches), aesthetic presentation, and scientific importance.
Green River fossils are celebrated worldwide for their completeness, clarity, and context within ancient lacustrine environments.
What’s Included
One genuine fossil of Diplomystus dentatus mounted on slab
Wall-mounting chains pre-installed
Certificate of Authenticity confirming scientific and locality details
Secure, tracked shipping with protective packaging
Perfect For
Natural history collectors
Interior decorators and enthusiasts of fossil décor
Educational institutions and museums
Science lovers and fossil display enthusiasts
Additional information
Era
Eocene
Origin
USA
Eocene Information
The Eocene Period (56–33.9 million years ago) was a time of warm global temperatures and the rapid evolution of mammals following the extinction of the dinosaurs. The climate was hot and humid, with lush rainforests covering much of the planet, even near the poles. Mammals diversified into new ecological roles, with early primates, whales (like Basilosaurus), large herbivores, and carnivores emerging. Birds and reptiles also thrived, and the first grasses began spreading, setting the stage for later grassland ecosystems. By the late Eocene, the Earth’s climate cooled significantly, leading to the formation of the first Antarctic ice sheets and the eventual transition to the drier, cooler Oligocene Period.
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