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.

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Polished Promicroceras marstonense Fossil Ammonites Multi Block – Marston Marble – Lower Jurassic UK – FREEFORM Display
Polished Promicroceras marstonense Fossil Ammonites Multi Block – Marston Marble – Lower Jurassic UK – FREEFORM Display - Image 2

Polished Promicroceras marstonense Fossil Ammonites Multi Block – Marston Marble – Lower Jurassic UK – FREEFORM Display

Original price was: £240.00.Current price is: £216.00.

Polished Promicroceras marstonense Fossil Ammonites Multi Block – Marston Magna, Somerset, UK

This stunning polished fossil display features a multi-block cluster of Promicroceras marstonense ammonites, expertly exposed and finished in a FREEFORM sculpture style. Mined from the famed Marston Marble beds of Marston Magna, Somerset, UK, this fossil dates back to the Lower Jurassic, specifically the Obtusum Zone of the Lower Lias Group, making it over 190 million years old.

Fossil Type: Ammonite Cluster

Species: Promicroceras marstonense

Family: Oxynoticeratidae

Superfamily: Psiloceratoidea

Order: Ammonitida

Geological Stage: Lower Jurassic (Sinemurian)

Zone: Obtusum Zone

Biozone: Promicroceras marstonense Subzone

Depositional Environment: Shallow marine shelf – fine-grained carbonate mudstone (Marston Marble) formed in low-energy, offshore environments

Location: Marston Magna, Somerset, United Kingdom

Formally Identified By: Commonly attributed to S.S. Buckman, who described many Lower Jurassic ammonites in the UK

Morphology Features: Promicroceras marstonense is characterised by its small, tightly coiled planispiral shell with fine ribbing and a well-defined keel. This species typically shows 5–15 mm diameters and is frequently preserved in fine-grained carbonate-rich nodules, allowing for excellent detail and polish.

Geological Context: The Marston Marble is a renowned fossiliferous limestone from the Lower Lias Formation, rich in marine fossils from the Sinemurian Stage of the Jurassic. This particular stratum is celebrated for its preservation of micro- and macro-fauna in striking detail. The Promicroceras marstonense Subzone represents an important early Sinemurian biozone used in ammonite biostratigraphy across Europe.

Condition: Polished, FREEFORM style with visible natural surface and sectioned ammonite shells. The actual specimen you will receive is pictured. Please refer to the image for full sizing – Scale Rule Squares/Cube = 1cm.

Important Note:

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.

A perfect addition to any fossil collection, geological display, or natural history décor.

(Actual as seen)

Only 1 left in stock

SKU: VF0259 Category:

Description

Polished Promicroceras marstonense Fossil Ammonites Multi Block – Marston Magna, Somerset, UK

This stunning polished fossil display features a multi-block cluster of Promicroceras marstonense ammonites, expertly exposed and finished in a FREEFORM sculpture style. Mined from the famed Marston Marble beds of Marston Magna, Somerset, UK, this fossil dates back to the Lower Jurassic, specifically the Obtusum Zone of the Lower Lias Group, making it over 190 million years old.

Fossil Type: Ammonite Cluster

Species: Promicroceras marstonense

Family: Oxynoticeratidae

Superfamily: Psiloceratoidea

Order: Ammonitida

Geological Stage: Lower Jurassic (Sinemurian)

Zone: Obtusum Zone

Biozone: Promicroceras marstonense Subzone

Depositional Environment: Shallow marine shelf – fine-grained carbonate mudstone (Marston Marble) formed in low-energy, offshore environments

Location: Marston Magna, Somerset, United Kingdom

Formally Identified By: Commonly attributed to S.S. Buckman, who described many Lower Jurassic ammonites in the UK

Morphology Features: Promicroceras marstonense is characterised by its small, tightly coiled planispiral shell with fine ribbing and a well-defined keel. This species typically shows 5–15 mm diameters and is frequently preserved in fine-grained carbonate-rich nodules, allowing for excellent detail and polish.

Geological Context: The Marston Marble is a renowned fossiliferous limestone from the Lower Lias Formation, rich in marine fossils from the Sinemurian Stage of the Jurassic. This particular stratum is celebrated for its preservation of micro- and macro-fauna in striking detail. The Promicroceras marstonense Subzone represents an important early Sinemurian biozone used in ammonite biostratigraphy across Europe.

Condition: Polished, FREEFORM style with visible natural surface and sectioned ammonite shells. The actual specimen you will receive is pictured. Please refer to the image for full sizing – Scale Rule Squares/Cube = 1cm.

Important Note:

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity.

A perfect addition to any fossil collection, geological display, or natural history décor.

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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