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.

FREE UK DELIVERY - Save up to 60%

RARE: Juvenites septentrionalis Fossil Ammonite – Triassic – Nevada USA – Genuine Specimen with COA

RARE: Juvenites septentrionalis Fossil Ammonite – Triassic – Nevada USA – Genuine Specimen with COA

£14.40

This listing showcases a RARE Juvenites septentrionalis Fossil Ammonite from the Triassic period, discovered in Nevada, USA. This exquisite fossil represents an extinct cephalopod genus that thrived during the Middle to Late Triassic.

  • Fossil Type: Ammonite
  • Species: Juvenites septentrionalis
  • Geological Period: Triassic (specifically Carnian to Norian stages)
  • Location: Nevada, United States
  • Formation: Likely from the Luning or Star Peak Group (common ammonite-bearing formations in Nevada)
  • Size Reference: Scale cube = 1cm (see photo for full dimensions)
  • Authenticity: 100% Genuine Specimen with Certificate of Authenticity

Geological & Paleontological Context:

Juvenites is a genus within the ammonoid Order Ceratitida, Family Trachyceratidae, Superfamily Clydonitaceae. These ammonites are characterised by their moderately involute, discoidal shells with ceratitic sutures—meaning lobes and saddles with slightly frilled edges.

  • Morphology Features: Involute, compressed discoidal shell with gently curved whorls and finely ribbed surface texture.
  • Depositional Environment: These ammonites lived in shallow marine epicontinental seas that covered parts of western North America during the Triassic.
  • Notable: This genus provides important biostratigraphic data for correlating Triassic strata across North America and Europe.

Collector’s Value:

Fossils of Juvenites septentrionalis are uncommon and highly sought after, particularly those with clear morphological detail and preservation. This piece has been carefully selected for its scientific and aesthetic value.

What You Receive:

  • 1 x Juvenites septentrionalis Fossil Ammonite (exact specimen shown)
  • Certificate of Authenticity
  • Secure protective packaging

 

Why Buy From Us?

  • Every specimen is individually inspected and chosen for its quality and authenticity.
  • Trusted by collectors, educators, and museums around the world.
  • Fast shipping and secure packaging to ensure safe delivery.

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity.

(Actual as seen)

Out of stock

SKU: SF0523 Category:

Description

This listing showcases a RARE Juvenites septentrionalis Fossil Ammonite from the Triassic period, discovered in Nevada, USA. This exquisite fossil represents an extinct cephalopod genus that thrived during the Middle to Late Triassic.

  • Fossil Type: Ammonite
  • Species: Juvenites septentrionalis
  • Geological Period: Triassic (specifically Carnian to Norian stages)
  • Location: Nevada, United States
  • Formation: Likely from the Luning or Star Peak Group (common ammonite-bearing formations in Nevada)
  • Size Reference: Scale cube = 1cm (see photo for full dimensions)
  • Authenticity: 100% Genuine Specimen with Certificate of Authenticity

Geological & Paleontological Context:

Juvenites is a genus within the ammonoid Order Ceratitida, Family Trachyceratidae, Superfamily Clydonitaceae. These ammonites are characterised by their moderately involute, discoidal shells with ceratitic sutures—meaning lobes and saddles with slightly frilled edges.

  • Morphology Features: Involute, compressed discoidal shell with gently curved whorls and finely ribbed surface texture.
  • Depositional Environment: These ammonites lived in shallow marine epicontinental seas that covered parts of western North America during the Triassic.
  • Notable: This genus provides important biostratigraphic data for correlating Triassic strata across North America and Europe.

Collector’s Value:

Fossils of Juvenites septentrionalis are uncommon and highly sought after, particularly those with clear morphological detail and preservation. This piece has been carefully selected for its scientific and aesthetic value.

What You Receive:

  • 1 x Juvenites septentrionalis Fossil Ammonite (exact specimen shown)
  • Certificate of Authenticity
  • Secure protective packaging

 

Why Buy From Us?

  • Every specimen is individually inspected and chosen for its quality and authenticity.
  • Trusted by collectors, educators, and museums around the world.
  • Fast shipping and secure packaging to ensure safe delivery.

All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity.

Additional information

Era

Triassic
Origin

USA

Triassic Information

The Triassic Period (252–201 million years ago) marked the beginning of the Mesozoic Era, following the Permian-Triassic mass extinction, the most severe extinction event in Earth's history. The climate was hot and dry, with vast deserts and little polar ice. Life slowly recovered, leading to the rise of the first dinosaurs, pterosaurs (flying reptiles), and early mammals. Reptiles, including large archosaurs (ancestors of crocodiles and dinosaurs), dominated both land and sea. In the oceans, ichthyosaurs and plesiosaurs thrived alongside ammonites and early coral reefs. The first true conifers and ginkgo trees spread across the land. The period ended with another mass extinction, paving the way for the Jurassic and the golden age of dinosaurs.

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Related products

  • Rare Plagiostoma Bivalve Fossil in Matrix - Blue Lias, Jurassic - Cert of Authenticity

    Rare Plagiostoma Bivalve Fossil in Matrix – Blue Lias, Jurassic – Cert of Authenticity

    (Actual as seen)

    £36.00
    SKU: CF0913
    Read more

    Out of stock

  • Paranomotodon angustidens Shark Tooth Fossil Gault Clay Cretaceous Folkestone Kent UK Genuine Specimen with Certificate

    Paranomotodon angustidens Shark Tooth Fossil Gault Clay Cretaceous Folkestone Kent UK Genuine Specimen with Certificate

    (Actual as seen)

    £36.00
    SKU: UF0429
    Read more

    Out of stock

  • Rare fossil shark tooth carcharias. from gault clay, cretaceous era, folkestone, kent, uk - genuine specimen with certificate

    Rare fossil shark tooth carcharias. from gault clay, cretaceous era, folkestone, kent, uk – genuine specimen with certificate

    (Actual as seen)

    £36.00
    SKU: UF0431
    Read more

    Out of stock