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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Fossil Ammonite 5" Skirroceras leptogyrale, Jurassic, Middle Toarcian, Brunton Somerset UK, Genuine with COA
Fossil Ammonite 5" Skirroceras leptogyrale, Jurassic, Middle Toarcian, Brunton Somerset UK, Genuine with COA - Image 2

Fossil Ammonite 5″ Skirroceras leptogyrale, Jurassic, Middle Toarcian, Brunton Somerset UK, Genuine with COA

£72.00

Available here is a 5-inch Fossil Ammonite of Skirroceras leptogyrale from the Middle Toarcian Stage of the Jurassic Period, collected at Brunton, Cole Syncline, Somerset, United Kingdom — a locality known for its exceptional marine fossil assemblages from the Lower Jurassic.

This ammonite has been carefully selected for its completeness, preservation, and scientific relevance. The photographs show the exact specimen you will receive.

Scale Rule Squares / Cube = 1cm — for full sizing, please refer to the image.

Key Geological and Scientific Information:

  • Species: Skirroceras leptogyrale
  • Fossil Type: Ammonite (extinct marine cephalopod)
  • Geological Period: Jurassic
  • Geological Stage: Middle Toarcian (~181 million years ago)
  • Location: Brunton, Cole Syncline, Somerset, UK
  • Formation: Beacon Limestone Formation or equivalent local Toarcian marine beds
  • Order: Ammonitida
  • Superfamily: Hildoceratoidea
  • Family: Hildoceratidae
  • Formally Described By: Oppel, 1856

Morphological Features:

Skirroceras leptogyrale is characterised by its finely ribbed, compressed shell, a narrow venter, and tight involute coiling. The ribs often bifurcate along the flanks and cross the venter with minimal interruption. This gives the ammonite a finely textured appearance ideal for both scientific reference and aesthetic appreciation. The specimen listed here displays these diagnostic features with clarity, making it a fine example of the species.

Biozone and Stratigraphic Relevance:

This species is a key component of the Leptogyrale Subzone within the Bifrons Zone of the Middle Toarcian. As such, Skirroceras leptogyrale serves as an important biostratigraphic marker for correlating marine Jurassic sequences across Western Europe.

Depositional Environment:

This fossil was originally preserved in offshore, low-energy marine sediments, likely calcareous mudstones or fine-grained limestones deposited during a phase of widespread marine transgression in the Early Jurassic. The Cole Syncline area, especially Brunton, is noted for such finely laminated fossiliferous beds.

Scientific and Collectible Value:

Due to its biostratigraphic significance and elegant shell form, Skirroceras leptogyrale is highly valued by palaeontologists and fossil collectors. This particular specimen’s size (5 inches), clarity of ribbing, and provenance from Brunton make it especially desirable.

Authenticity Guarantee:

All of our fossils are 100% genuine specimens. They are professionally curated and handled with care. Each item is accompanied by a Certificate of Authenticity, providing verified details about the fossil’s identification and origin.

This Skirroceras leptogyrale fossil ammonite is a superb addition to any fossil collection or display — a blend of natural beauty, geological history, and scientific importance.

(Actual as seen)

Only 1 left in stock

SKU: UF4436 Category:

Description

Available here is a 5-inch Fossil Ammonite of Skirroceras leptogyrale from the Middle Toarcian Stage of the Jurassic Period, collected at Brunton, Cole Syncline, Somerset, United Kingdom — a locality known for its exceptional marine fossil assemblages from the Lower Jurassic.

This ammonite has been carefully selected for its completeness, preservation, and scientific relevance. The photographs show the exact specimen you will receive.

Scale Rule Squares / Cube = 1cm — for full sizing, please refer to the image.

Key Geological and Scientific Information:

  • Species: Skirroceras leptogyrale
  • Fossil Type: Ammonite (extinct marine cephalopod)
  • Geological Period: Jurassic
  • Geological Stage: Middle Toarcian (~181 million years ago)
  • Location: Brunton, Cole Syncline, Somerset, UK
  • Formation: Beacon Limestone Formation or equivalent local Toarcian marine beds
  • Order: Ammonitida
  • Superfamily: Hildoceratoidea
  • Family: Hildoceratidae
  • Formally Described By: Oppel, 1856

Morphological Features:

Skirroceras leptogyrale is characterised by its finely ribbed, compressed shell, a narrow venter, and tight involute coiling. The ribs often bifurcate along the flanks and cross the venter with minimal interruption. This gives the ammonite a finely textured appearance ideal for both scientific reference and aesthetic appreciation. The specimen listed here displays these diagnostic features with clarity, making it a fine example of the species.

Biozone and Stratigraphic Relevance:

This species is a key component of the Leptogyrale Subzone within the Bifrons Zone of the Middle Toarcian. As such, Skirroceras leptogyrale serves as an important biostratigraphic marker for correlating marine Jurassic sequences across Western Europe.

Depositional Environment:

This fossil was originally preserved in offshore, low-energy marine sediments, likely calcareous mudstones or fine-grained limestones deposited during a phase of widespread marine transgression in the Early Jurassic. The Cole Syncline area, especially Brunton, is noted for such finely laminated fossiliferous beds.

Scientific and Collectible Value:

Due to its biostratigraphic significance and elegant shell form, Skirroceras leptogyrale is highly valued by palaeontologists and fossil collectors. This particular specimen’s size (5 inches), clarity of ribbing, and provenance from Brunton make it especially desirable.

Authenticity Guarantee:

All of our fossils are 100% genuine specimens. They are professionally curated and handled with care. Each item is accompanied by a Certificate of Authenticity, providing verified details about the fossil’s identification and origin.

This Skirroceras leptogyrale fossil ammonite is a superb addition to any fossil collection or display — a blend of natural beauty, geological history, and scientific importance.

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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