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 sigaloceras calloviense fossil ammonite | lower callovian, jurassic | oxfordshire, uk | genuine prehistoric specimen

£36.00

This listing features an authentic SIGALOCERAS CALLOVIENSE fossil ammonite, unearthed from the Lower Callovian stage of the Jurassic period, approximately 164 million years old, found in Oxfordshire, United Kingdom. Known for its beautifully ribbed shell and spiral form, Sigaloceras calloviense offers a glimpse into ancient marine ecosystems that once thrived in prehistoric seas.

Fossil Information:

  • Species: Sigaloceras calloviense (Ammonite)
  • Fossil Type: Complete Ammonite
  • Geological Formation: Lower Callovian, Jurassic
  • Age: ~164 million years old
  • Location: Oxfordshire, United Kingdom
  • Size: Refer to photos for scale (Scale Rule Squares / Cube = 1cm)
  • Preservation: Excellent natural preservation with visible shell details

Key Features: ✔ Genuine Jurassic-period ammonite fossil

✔ Sourced from the renowned fossil-rich region of Oxfordshire

✔ Detailed shell structure showcasing natural growth patterns

✔ Ideal for collectors, educational displays, and paleontology enthusiasts

Authenticity & Certification: All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity. The specimen in the photos is the exact fossil you will receive.

Why Buy From Us? This fossil is part of the prestigious Alice Purnell Collection, one of the most extensive and respected fossil collections globally. We specialize in high-quality, museum-grade fossils, perfect for collectors, educators, and researchers.

Own a genuine piece of Earth’s history today — add this exceptional Sigaloceras calloviense ammonite to your collection!

(Actual as seen)

Out of stock

SKU: AF0952 Category:

Description

This listing features an authentic SIGALOCERAS CALLOVIENSE fossil ammonite, unearthed from the Lower Callovian stage of the Jurassic period, approximately 164 million years old, found in Oxfordshire, United Kingdom. Known for its beautifully ribbed shell and spiral form, Sigaloceras calloviense offers a glimpse into ancient marine ecosystems that once thrived in prehistoric seas.

Fossil Information:

  • Species: Sigaloceras calloviense (Ammonite)
  • Fossil Type: Complete Ammonite
  • Geological Formation: Lower Callovian, Jurassic
  • Age: ~164 million years old
  • Location: Oxfordshire, United Kingdom
  • Size: Refer to photos for scale (Scale Rule Squares / Cube = 1cm)
  • Preservation: Excellent natural preservation with visible shell details

Key Features: ✔ Genuine Jurassic-period ammonite fossil

✔ Sourced from the renowned fossil-rich region of Oxfordshire

✔ Detailed shell structure showcasing natural growth patterns

✔ Ideal for collectors, educational displays, and paleontology enthusiasts

Authenticity & Certification: All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity. The specimen in the photos is the exact fossil you will receive.

Why Buy From Us? This fossil is part of the prestigious Alice Purnell Collection, one of the most extensive and respected fossil collections globally. We specialize in high-quality, museum-grade fossils, perfect for collectors, educators, and researchers.

Own a genuine piece of Earth’s history today — add this exceptional Sigaloceras calloviense ammonite to your collection!

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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