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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RARE Fossil Ammonite ERYMNOCERAS CORONATUS – Middle Callovian, Jurassic: Leisberg, Switzerland – Genuine & Certified
RARE Fossil Ammonite ERYMNOCERAS CORONATUS – Middle Callovian, Jurassic: Leisberg, Switzerland – Genuine & Certified - Image 2
RARE Fossil Ammonite ERYMNOCERAS CORONATUS – Middle Callovian, Jurassic: Leisberg, Switzerland – Genuine & Certified - Image 3

RARE Fossil Ammonite ERYMNOCERAS CORONATUS – Middle Callovian, Jurassic: Leisberg, Switzerland – Genuine & Certified

£36.00

This listing features a rare and scientifically notable fossil specimen of Erymnoceras coronatus, an ammonite from the Middle Callovian stage of the Jurassic period. The specimen was unearthed from Leisberg, Switzerland—an important fossil locality known for yielding beautifully preserved ammonites from this time period.

Erymnoceras belongs to the family Erymnoceratidae within the superfamily Stephanoceratoidea, under the order Ammonitida. These ammonites typically display evolute coiling with robust ribbing and nodose tubercles, which are well-developed in this specimen. The genus Erymnoceras, including coronatus, is especially valued for its highly ornamented shell morphology and biostratigraphic importance.

Geological & Scientific Details:

  • Scientific Name: Erymnoceras coronatus
  • Fossil Type: Ammonite (Extinct Marine Cephalopod)
  • Geological Period: Jurassic
  • Stage: Middle Callovian (approx. 165–163 million years ago)
  • Location Found: Leisberg, Switzerland
  • Order: Ammonitida
  • Superfamily: Stephanoceratoidea
  • Family: Erymnoceratidae
  • Morphological Features: Broadly evolute shell, strong ribbing, nodose tubercles, pronounced whorl structure
  • Depositional Environment: Shallow epicontinental marine basin with calcareous sedimentation typical of the Middle Jurassic alpine realm

Erymnoceras coronatus serves as a biostratigraphic marker for certain Callovian zones and is emblematic of richly ornamented ammonite faunas from the Tethyan realm. This piece is ideal for collectors, educational use, or palaeontological study.

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

Please Note:

  • Scale Rule Squares / Cube = 1cm – full sizing is visible in the photo
  • You will receive the exact fossil pictured – carefully selected for scientific accuracy, preservation quality, and display appeal

This exquisite Erymnoceras coronatus ammonite fossil offers a vivid glimpse into the rich marine ecosystems of the Jurassic seas of what is now Switzerland.

(Actual as seen)

Only 1 left in stock

SKU: UF3774 Category:

Description

This listing features a rare and scientifically notable fossil specimen of Erymnoceras coronatus, an ammonite from the Middle Callovian stage of the Jurassic period. The specimen was unearthed from Leisberg, Switzerland—an important fossil locality known for yielding beautifully preserved ammonites from this time period.

Erymnoceras belongs to the family Erymnoceratidae within the superfamily Stephanoceratoidea, under the order Ammonitida. These ammonites typically display evolute coiling with robust ribbing and nodose tubercles, which are well-developed in this specimen. The genus Erymnoceras, including coronatus, is especially valued for its highly ornamented shell morphology and biostratigraphic importance.

Geological & Scientific Details:

  • Scientific Name: Erymnoceras coronatus
  • Fossil Type: Ammonite (Extinct Marine Cephalopod)
  • Geological Period: Jurassic
  • Stage: Middle Callovian (approx. 165–163 million years ago)
  • Location Found: Leisberg, Switzerland
  • Order: Ammonitida
  • Superfamily: Stephanoceratoidea
  • Family: Erymnoceratidae
  • Morphological Features: Broadly evolute shell, strong ribbing, nodose tubercles, pronounced whorl structure
  • Depositional Environment: Shallow epicontinental marine basin with calcareous sedimentation typical of the Middle Jurassic alpine realm

Erymnoceras coronatus serves as a biostratigraphic marker for certain Callovian zones and is emblematic of richly ornamented ammonite faunas from the Tethyan realm. This piece is ideal for collectors, educational use, or palaeontological study.

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

Please Note:

  • Scale Rule Squares / Cube = 1cm – full sizing is visible in the photo
  • You will receive the exact fossil pictured – carefully selected for scientific accuracy, preservation quality, and display appeal

This exquisite Erymnoceras coronatus ammonite fossil offers a vivid glimpse into the rich marine ecosystems of the Jurassic seas of what is now Switzerland.

Additional information

Era

Jurassic

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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