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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Catasigaloceras planicerclus Fossil Ammonite | Rare 5" Jurassic Callovian | Latton Wiltshire UK | Certified Genuine Specimen
Catasigaloceras planicerclus Fossil Ammonite | Rare 5" Jurassic Callovian | Latton Wiltshire UK | Certified Genuine Specimen - Image 2

Catasigaloceras planicerclus Fossil Ammonite | Rare 5″ Jurassic Callovian | Latton Wiltshire UK | Certified Genuine Specimen

£180.00

An exceptional and rare specimen of Catasigaloceras planicerclus, a distinctive ammonite from the Lower Callovian Stage of the Jurassic Period, collected from fossil-rich deposits at Latton, Wiltshire, United Kingdom.

This species belongs to the Stephanoceratidae family, characterised by its evolute coiling, compressed whorl section, and distinctive ribbing pattern. Catasigaloceras planicerclus is recognised for its wide umbilicus, flat flanks, and sharply defined primary ribs which often bifurcate or trifurcate as they sweep across the flanks and ventrolaterally.

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

The photograph shows the actual specimen you will receive. Scale rule squares/cube = 1cm. For full sizing, please refer to the product photo.

 

Geological and Taxonomic Information:

  • Genus: Catasigaloceras
  • Species: Catasigaloceras planicerclus
  • Fossil Type: Ammonite (extinct marine cephalopod)
  • Age: Jurassic, Lower Callovian (~166 to 164 million years ago)
  • Location: Latton, Wiltshire, UK
  • Depositional Environment: Shallow marine shelf with fine-grained calcareous sediments
  • Geological Stage: Lower Callovian

 

Taxonomic Classification:

  • Order: Ammonitida
  • Superfamily: Stephanoceratoidea
  • Family: Stephanoceratidae
  • Genus: Catasigaloceras

 

Morphology & Notable Features:

  • Evolute coiling with broad umbilicus
  • Strong primary ribs that bifurcate on the flanks
  • Flattened flanks and compressed section
  • Prominent ventrolateral tuberculation in some specimens
  • Shell structure clearly visible with good preservation

 

Scientific & Collector Significance:

Catasigaloceras planicerclus is a diagnostic ammonite species within the Lower Callovian strata and is important for biostratigraphic zoning and correlation of Middle Jurassic sequences in southern England. Its well-preserved ribbing and shell architecture make it highly desirable for both educational and display purposes.

 

Specimen Details:

  • Approximate Size: 5 inches (see scale in photo)
  • Condition: Professionally prepared and stable
  • Origin: Latton, Wiltshire, UK
  • Includes: Certificate of Authenticity

 

Ideal For:

  • Collectors of Jurassic ammonites
  • Academic and research use
  • Museum-quality fossil collections
  • Decorative and educational display

 

(Actual as seen)

Only 1 left in stock

SKU: UF4411 Category:

Description

An exceptional and rare specimen of Catasigaloceras planicerclus, a distinctive ammonite from the Lower Callovian Stage of the Jurassic Period, collected from fossil-rich deposits at Latton, Wiltshire, United Kingdom.

This species belongs to the Stephanoceratidae family, characterised by its evolute coiling, compressed whorl section, and distinctive ribbing pattern. Catasigaloceras planicerclus is recognised for its wide umbilicus, flat flanks, and sharply defined primary ribs which often bifurcate or trifurcate as they sweep across the flanks and ventrolaterally.

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

The photograph shows the actual specimen you will receive. Scale rule squares/cube = 1cm. For full sizing, please refer to the product photo.

 

Geological and Taxonomic Information:

  • Genus: Catasigaloceras
  • Species: Catasigaloceras planicerclus
  • Fossil Type: Ammonite (extinct marine cephalopod)
  • Age: Jurassic, Lower Callovian (~166 to 164 million years ago)
  • Location: Latton, Wiltshire, UK
  • Depositional Environment: Shallow marine shelf with fine-grained calcareous sediments
  • Geological Stage: Lower Callovian

 

Taxonomic Classification:

  • Order: Ammonitida
  • Superfamily: Stephanoceratoidea
  • Family: Stephanoceratidae
  • Genus: Catasigaloceras

 

Morphology & Notable Features:

  • Evolute coiling with broad umbilicus
  • Strong primary ribs that bifurcate on the flanks
  • Flattened flanks and compressed section
  • Prominent ventrolateral tuberculation in some specimens
  • Shell structure clearly visible with good preservation

 

Scientific & Collector Significance:

Catasigaloceras planicerclus is a diagnostic ammonite species within the Lower Callovian strata and is important for biostratigraphic zoning and correlation of Middle Jurassic sequences in southern England. Its well-preserved ribbing and shell architecture make it highly desirable for both educational and display purposes.

 

Specimen Details:

  • Approximate Size: 5 inches (see scale in photo)
  • Condition: Professionally prepared and stable
  • Origin: Latton, Wiltshire, UK
  • Includes: Certificate of Authenticity

 

Ideal For:

  • Collectors of Jurassic ammonites
  • Academic and research use
  • Museum-quality fossil collections
  • Decorative and educational display

 

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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