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.
PSEUDOLIOCERAS boulbiense Ammonite Fossil – Upper Pliensbachian Jurassic, Whitby Yorkshire UK
£18.00
For sale is a beautifully preserved fossil of PSEUDOLIOCERAS boulbiense, a finely ribbed ammonite species from the Upper Pliensbachian Stage of the Early Jurassic, collected near Whitby, North Yorkshire, United Kingdom. This classic ammonite is a superb representation of British Jurassic marine life.
Fossil Type & Species:
Type: Ammonite (Extinct Marine Cephalopod)
Species:Pseudolioceras boulbiense
Known for its graceful, tightly coiled shell with sharp ribbing and compressed profile
Geological Context:
Era: Mesozoic
Period: Jurassic
Epoch: Early Jurassic
Stage: Upper Pliensbachian (~186 to 183 million years ago)
Formation: Whitby Mudstone Formation
Depositional Environment: Calm offshore marine basin with finely laminated muds and clays, contributing to exceptional fossil preservation during frequent anoxic events
Morphological Features:
Involute, compressed shell with a narrow venter and distinct straight ribs
Whorls are tightly coiled with a small to moderate umbilicus
Typically mineralised in grey calcite or iron oxide due to Yorkshire shale preservation
Scientific Importance:
Pseudolioceras boulbiense is a zonal fossil used in biostratigraphic frameworks for the Upper Pliensbachian
Helps refine ammonite-based correlation across Lower Jurassic marine sequences in northern Europe
Demonstrates diversity and adaptation of cephalopods during Jurassic sea level and climatic changes
Locality Information:
Whitby, North Yorkshire, UK – part of the world-famous Jurassic Coast of Yorkshire, known for yielding exceptional ammonites, marine reptiles, and invertebrates from the Early Jurassic
Authenticity & Display:
All of our fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. The listing photos show the actual specimen you will receive. Please refer to the image for full sizing – the scale cube = 1cm.
This hand-selected ammonite is perfect for collectors of rare British fossils, educational displays, or anyone fascinated by the marine life of the Jurassic seas.
Add a scientifically significant ammonite to your collection today—a stunning Pseudolioceras boulbiense fossil from over 183 million years ago.
For sale is a beautifully preserved fossil of PSEUDOLIOCERAS boulbiense, a finely ribbed ammonite species from the Upper Pliensbachian Stage of the Early Jurassic, collected near Whitby, North Yorkshire, United Kingdom. This classic ammonite is a superb representation of British Jurassic marine life.
Fossil Type & Species:
Type: Ammonite (Extinct Marine Cephalopod)
Species:Pseudolioceras boulbiense
Known for its graceful, tightly coiled shell with sharp ribbing and compressed profile
Geological Context:
Era: Mesozoic
Period: Jurassic
Epoch: Early Jurassic
Stage: Upper Pliensbachian (~186 to 183 million years ago)
Formation: Whitby Mudstone Formation
Depositional Environment: Calm offshore marine basin with finely laminated muds and clays, contributing to exceptional fossil preservation during frequent anoxic events
Morphological Features:
Involute, compressed shell with a narrow venter and distinct straight ribs
Whorls are tightly coiled with a small to moderate umbilicus
Typically mineralised in grey calcite or iron oxide due to Yorkshire shale preservation
Scientific Importance:
Pseudolioceras boulbiense is a zonal fossil used in biostratigraphic frameworks for the Upper Pliensbachian
Helps refine ammonite-based correlation across Lower Jurassic marine sequences in northern Europe
Demonstrates diversity and adaptation of cephalopods during Jurassic sea level and climatic changes
Locality Information:
Whitby, North Yorkshire, UK – part of the world-famous Jurassic Coast of Yorkshire, known for yielding exceptional ammonites, marine reptiles, and invertebrates from the Early Jurassic
Authenticity & Display:
All of our fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. The listing photos show the actual specimen you will receive. Please refer to the image for full sizing – the scale cube = 1cm.
This hand-selected ammonite is perfect for collectors of rare British fossils, educational displays, or anyone fascinated by the marine life of the Jurassic seas.
Add a scientifically significant ammonite to your collection today—a stunning Pseudolioceras boulbiense fossil from over 183 million years ago.
Additional information
Era
Jurassic
Origin
United Kingdom
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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