Peronoceras tuberculatum Fossil Ammonite Jurassic Toarcian Northamptonshire UK
£ 24.00
PERONOCERAS TUBERCULATUM FOSSIL AMMONITE FROM NORTHAMPTONSHIRE, UNITED KINGDOMThis listing offers a rare Peronoceras tuberculatum fossil ammonite, dating to
the Toarcian stage of the Jurassic period. Found in Northamptonshire, England, this striking specimen is an important representative of the Early Jurassic ammonite fauna of Britain. The photographs show the exact specimen you will receive, with a 1 cm scale cube included for accurate size reference. Every purchase is backed by our guarantee of authenticity and comes with a Certificate of Authenticity. GEOLOGICAL SETTING – TOARCIAN, JURASSICThis fossil dates from the Toarcian stage of the Early Jurassic, approximately 182–174 million years ago. During this time, much of present-day Northamptonshire was submerged beneath shallow epicontinental seas that stretched across northern Europe. These seas created a depositional environment of soft muds and clays, which are today preserved as sedimentary rocks rich in ammonites, belemnites, and marine invertebrates.The Toarcian was also a time of major global change, marked by the Toarcian Oceanic Anoxic Event, during which large quantities of organic-rich sediments were deposited. Ammonites like Peronoceras tuberculatum are crucial for understanding the biodiversity, environmental shifts, and biostratigraphic framework of this interval. SPECIES AND TAXONOMY
• Genus: Peronoceras
• Species: tuberculatum
• Order: Ammonitida
• Superfamily: Hildoceratoidea
• Family: HildoceratidaePeronoceras tuberculatum is part of the Hildoceratidae, a family known for their ribbed and often tuberculate shells. These ammonites are highly distinctive and play an important role in Jurassic stratigraphy, being widely used as index fossils to define specific biozones within the Toarcian. MORPHOLOGICAL FEATURESThe Peronoceras tuberculatum ammonite is easily recognisable for its bold ornamentation:
• Shell form: Evolute, with inner whorls exposed and well defined.
• Ribbing: Strong ribs radiating across the whorl, often terminating in nodules or tubercles.
• Tubercles: Distinct swellings on the ribs give the species its name tuberculatum.
• Whorl profile: Robust and rounded, producing a powerful visual appearance.
• Ornamentation: The combination of ribbing and tuberculation makes this species especially desirable among collectors.These features not only define its taxonomy but also add to its aesthetic and scientific value. STRATIGRAPHY AND BIOZONE IMPORTANCEPeronoceras tuberculatum is closely associated with the tuberculatum Subzone of the Toarcian, making it a key biostratigraphic marker species. Its presence allows geologists to date and correlate Toarcian rock sequences across different parts of Europe. Fossils from Northamptonshire are particularly valuable, as they contribute to the regional stratigraphy of the English Jurassic and enhance scientific understanding of ammonite evolution. COLLECTOR AND SCIENTIFIC VALUEThis specimen holds significant appeal for both collectors and researchers:
• Collectors admire it for its rarity, distinctive tuberculate ornamentation, and provenance from Northamptonshire.
• Scientists and educators value it as a marker species that refines the stratigraphic framework of the Toarcian stage.
• For display purposes, its bold ribbing and tuberculate form make it an eye-catching fossil, ideal for enhancing any collection of natural history. AUTHENTICITY AND GUARANTEEAll of our fossils are responsibly sourced and are 100% genuine specimens. This Peronoceras tuberculatum fossil ammonite has been carefully selected for its quality, preservation, and geological importance. Every purchase comes with a Certificate of Authenticity, ensuring peace of mind and confidence in its provenance. KEY INFORMATION AT A GLANCE
• Fossil Type: Ammonite
• Species: Peronoceras tuberculatum
• Geological Age: Toarcian, Jurassic (~182–174 million years old)
• Locality: Northamptonshire, United Kingdom
• Family: Hildoceratidae
• Order: Ammonitida
• Condition: Natural fossil with bold ribbing and tuberculate features
• Authenticity: Guaranteed with Certificate of AuthenticityThis Peronoceras tuberculatum ammonite fossil from Northamptonshire is a rare and scientifically important specimen, offering collectors, educators, and palaeontology enthusiasts a genuine piece of Britain’s Jurassic heritage.
the Toarcian stage of the Jurassic period. Found in Northamptonshire, England, this striking specimen is an important representative of the Early Jurassic ammonite fauna of Britain. The photographs show the exact specimen you will receive, with a 1 cm scale cube included for accurate size reference. Every purchase is backed by our guarantee of authenticity and comes with a Certificate of Authenticity. GEOLOGICAL SETTING – TOARCIAN, JURASSICThis fossil dates from the Toarcian stage of the Early Jurassic, approximately 182–174 million years ago. During this time, much of present-day Northamptonshire was submerged beneath shallow epicontinental seas that stretched across northern Europe. These seas created a depositional environment of soft muds and clays, which are today preserved as sedimentary rocks rich in ammonites, belemnites, and marine invertebrates.The Toarcian was also a time of major global change, marked by the Toarcian Oceanic Anoxic Event, during which large quantities of organic-rich sediments were deposited. Ammonites like Peronoceras tuberculatum are crucial for understanding the biodiversity, environmental shifts, and biostratigraphic framework of this interval. SPECIES AND TAXONOMY
• Genus: Peronoceras
• Species: tuberculatum
• Order: Ammonitida
• Superfamily: Hildoceratoidea
• Family: HildoceratidaePeronoceras tuberculatum is part of the Hildoceratidae, a family known for their ribbed and often tuberculate shells. These ammonites are highly distinctive and play an important role in Jurassic stratigraphy, being widely used as index fossils to define specific biozones within the Toarcian. MORPHOLOGICAL FEATURESThe Peronoceras tuberculatum ammonite is easily recognisable for its bold ornamentation:
• Shell form: Evolute, with inner whorls exposed and well defined.
• Ribbing: Strong ribs radiating across the whorl, often terminating in nodules or tubercles.
• Tubercles: Distinct swellings on the ribs give the species its name tuberculatum.
• Whorl profile: Robust and rounded, producing a powerful visual appearance.
• Ornamentation: The combination of ribbing and tuberculation makes this species especially desirable among collectors.These features not only define its taxonomy but also add to its aesthetic and scientific value. STRATIGRAPHY AND BIOZONE IMPORTANCEPeronoceras tuberculatum is closely associated with the tuberculatum Subzone of the Toarcian, making it a key biostratigraphic marker species. Its presence allows geologists to date and correlate Toarcian rock sequences across different parts of Europe. Fossils from Northamptonshire are particularly valuable, as they contribute to the regional stratigraphy of the English Jurassic and enhance scientific understanding of ammonite evolution. COLLECTOR AND SCIENTIFIC VALUEThis specimen holds significant appeal for both collectors and researchers:
• Collectors admire it for its rarity, distinctive tuberculate ornamentation, and provenance from Northamptonshire.
• Scientists and educators value it as a marker species that refines the stratigraphic framework of the Toarcian stage.
• For display purposes, its bold ribbing and tuberculate form make it an eye-catching fossil, ideal for enhancing any collection of natural history. AUTHENTICITY AND GUARANTEEAll of our fossils are responsibly sourced and are 100% genuine specimens. This Peronoceras tuberculatum fossil ammonite has been carefully selected for its quality, preservation, and geological importance. Every purchase comes with a Certificate of Authenticity, ensuring peace of mind and confidence in its provenance. KEY INFORMATION AT A GLANCE
• Fossil Type: Ammonite
• Species: Peronoceras tuberculatum
• Geological Age: Toarcian, Jurassic (~182–174 million years old)
• Locality: Northamptonshire, United Kingdom
• Family: Hildoceratidae
• Order: Ammonitida
• Condition: Natural fossil with bold ribbing and tuberculate features
• Authenticity: Guaranteed with Certificate of AuthenticityThis Peronoceras tuberculatum ammonite fossil from Northamptonshire is a rare and scientifically important specimen, offering collectors, educators, and palaeontology enthusiasts a genuine piece of Britain’s Jurassic heritage.
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