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RARE: Tornoceras Fossil Goniatite, Upper Devonian Morocco – Authentic Ancient Cephalopod with COA
RARE: Tornoceras Fossil Goniatite, Upper Devonian Morocco – Authentic Ancient Cephalopod with COA - Image 2

RARE: Tornoceras Fossil Goniatite, Upper Devonian Morocco – Authentic Ancient Cephalopod with COA

£24.00

A rare and genuine Tornoceras fossil goniatite, collected from Upper Devonian marine deposits in Morocco. This fossil represents an early and significant genus of ammonoid cephalopods, predating true ammonites and showcasing evolutionary stages in the development of complex shell-bearing marine predators.

Taxonomic Classification:

  • Genus: Tornoceras
  • Order: Goniatitida
  • Superfamily: Tornocerataceae
  • Family: Tornoceratidae
  • First described in the 19th century, Tornoceras is a key genus in Devonian ammonoid research, known for its simple goniatitic suture pattern

Geological Context:

  • Geological Age: Upper Devonian (Frasnian to Famennian Stages)
  • Age Range: Approx. 382 to 359 million years ago
  • Location: Morocco (anti-Atlas region, a classic site for Devonian marine fossils)
  • Depositional Environment: Shallow to moderately deep marine basin with fine-grained carbonate muds and limestones; these waters were part of the ancient Rheic Ocean
  • Biozone: Tornoceras appears in zones of widespread anoxic events linked to Devonian mass extinctions, making it important in extinction boundary studies

Morphological Features:

  • Planispiral coiling, with tightly wound whorls and small to moderate size
  • Lobed suture lines with relatively simple goniatitic patterns (no complex frilling as seen in later ammonites)
  • Smooth shell or faint ornamentation; some individuals may show slight ribbing or growth lines
  • Shell profile ranges from discoidal to compressed, with a narrow or closed umbilicus

Scientific & Collector Importance:

  • Tornoceras is a key genus for understanding the evolution of ammonoids, making it a significant fossil for research and education
  • Its presence in extinction-prone Devonian layers adds to its value in biostratigraphy and paleoecology
  • Moroccan deposits yield some of the world’s best-preserved Devonian goniatites, often professionally prepared for display

This fossil is shown with a 1cm square cube for size reference. You will receive the exact specimen pictured, chosen for its clarity, preservation, and visual appeal.

Authenticity Guaranteed: All of our fossils are 100% genuine, and each specimen includes a Certificate of Authenticity. Ideal for fossil collectors, natural history displays, or as an ancient piece of Earth’s evolutionary heritage.

Please review all photographs for condition and accurate sizing. An exceptional opportunity to own a Devonian goniatite fossil from the renowned fossil beds of Morocco.

(Actual as seen)

Out of stock

SKU: UF3869 Category:

Description

A rare and genuine Tornoceras fossil goniatite, collected from Upper Devonian marine deposits in Morocco. This fossil represents an early and significant genus of ammonoid cephalopods, predating true ammonites and showcasing evolutionary stages in the development of complex shell-bearing marine predators.

Taxonomic Classification:

  • Genus: Tornoceras
  • Order: Goniatitida
  • Superfamily: Tornocerataceae
  • Family: Tornoceratidae
  • First described in the 19th century, Tornoceras is a key genus in Devonian ammonoid research, known for its simple goniatitic suture pattern

Geological Context:

  • Geological Age: Upper Devonian (Frasnian to Famennian Stages)
  • Age Range: Approx. 382 to 359 million years ago
  • Location: Morocco (anti-Atlas region, a classic site for Devonian marine fossils)
  • Depositional Environment: Shallow to moderately deep marine basin with fine-grained carbonate muds and limestones; these waters were part of the ancient Rheic Ocean
  • Biozone: Tornoceras appears in zones of widespread anoxic events linked to Devonian mass extinctions, making it important in extinction boundary studies

Morphological Features:

  • Planispiral coiling, with tightly wound whorls and small to moderate size
  • Lobed suture lines with relatively simple goniatitic patterns (no complex frilling as seen in later ammonites)
  • Smooth shell or faint ornamentation; some individuals may show slight ribbing or growth lines
  • Shell profile ranges from discoidal to compressed, with a narrow or closed umbilicus

Scientific & Collector Importance:

  • Tornoceras is a key genus for understanding the evolution of ammonoids, making it a significant fossil for research and education
  • Its presence in extinction-prone Devonian layers adds to its value in biostratigraphy and paleoecology
  • Moroccan deposits yield some of the world’s best-preserved Devonian goniatites, often professionally prepared for display

This fossil is shown with a 1cm square cube for size reference. You will receive the exact specimen pictured, chosen for its clarity, preservation, and visual appeal.

Authenticity Guaranteed: All of our fossils are 100% genuine, and each specimen includes a Certificate of Authenticity. Ideal for fossil collectors, natural history displays, or as an ancient piece of Earth’s evolutionary heritage.

Please review all photographs for condition and accurate sizing. An exceptional opportunity to own a Devonian goniatite fossil from the renowned fossil beds of Morocco.

Additional information

Era

Devonian
Origin

Morocco

Devonian Information

The Devonian Period (419–359 million years ago), known as the "Age of Fishes," was a time of major evolutionary advances in both marine and terrestrial life. The oceans were dominated by armored placoderm fish, early sharks, and lobe-finned fish like Tiktaalik, which had features that helped vertebrates transition to land. Coral reefs flourished, and ammonites became more diverse. On land, the first forests appeared, with early trees like Archaeopteris, leading to a drop in atmospheric carbon dioxide and climate cooling. The first tetrapods (four-legged vertebrates) began evolving from fish, marking a critical step in the evolution of amphibians. The period ended with the Devonian extinction, likely caused by ocean anoxia and climate shifts, wiping out many marine species and reshaping ecosystems.

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