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RARE: Diacalymene Fossil Trilobite – Ordovician, Ktaoua Formation, Morocco – Genuine Specimen with COA
RARE: Diacalymene Fossil Trilobite – Ordovician, Ktaoua Formation, Morocco – Genuine Specimen with COA - Image 2
RARE: Diacalymene Fossil Trilobite – Ordovician, Ktaoua Formation, Morocco – Genuine Specimen with COA - Image 3
RARE: Diacalymene Fossil Trilobite – Ordovician, Ktaoua Formation, Morocco – Genuine Specimen with COA - Image 4

RARE: Diacalymene Fossil Trilobite – Ordovician, Ktaoua Formation, Morocco – Genuine Specimen with COA

£18.00

This is a genuine Diacalymene trilobite fossil from the Ktaoua Formation, Ashgillian, Ordovician period, discovered in Alnid, Morocco. Trilobites are an extinct group of marine arthropods that thrived for over 270 million years. Diacalymene is a well-known genus with a distinctive, streamlined shape and fine segmentation, making it a desirable specimen for collectors.

This fossil is well-preserved, showcasing clear details of the exoskeleton, thoracic segments, and cephalon. Moroccan trilobites are among the best-preserved in the world, and this specimen is no exception.

Key Features:

  • Authentic Diacalymene trilobite fossil
  • Age: Approximately 443-445 million years old (Ordovician)
  • Origin: Ktaoua Formation, Alnid, Morocco
  • Well-preserved with detailed segmentation and exoskeletal features
  • From the Alice Purnell Collection, one of the largest ammonite and fossil collections in the world
  • 100 percent genuine specimen with Certificate of Authenticity

Scale Rule Squares = 1cm – Please see photos for full sizing.

All of our fossils are genuine and carefully packaged for secure worldwide shipping.

(Actual as seen)

Out of stock

SKU: AF0478 Category:

Description

This is a genuine Diacalymene trilobite fossil from the Ktaoua Formation, Ashgillian, Ordovician period, discovered in Alnid, Morocco. Trilobites are an extinct group of marine arthropods that thrived for over 270 million years. Diacalymene is a well-known genus with a distinctive, streamlined shape and fine segmentation, making it a desirable specimen for collectors.

This fossil is well-preserved, showcasing clear details of the exoskeleton, thoracic segments, and cephalon. Moroccan trilobites are among the best-preserved in the world, and this specimen is no exception.

Key Features:

  • Authentic Diacalymene trilobite fossil
  • Age: Approximately 443-445 million years old (Ordovician)
  • Origin: Ktaoua Formation, Alnid, Morocco
  • Well-preserved with detailed segmentation and exoskeletal features
  • From the Alice Purnell Collection, one of the largest ammonite and fossil collections in the world
  • 100 percent genuine specimen with Certificate of Authenticity

Scale Rule Squares = 1cm – Please see photos for full sizing.

All of our fossils are genuine and carefully packaged for secure worldwide shipping.

Additional information

Weight 0.1 g
Dimensions 10 × 10 × 10 cm
Era

Ordovician
Origin

Morocco

Ordovician Information

The Ordovician Period (485–443 million years ago) was a time of marine expansion and biodiversity growth, following the Cambrian Explosion. Warm, shallow seas covered much of the continents, supporting trilobites, brachiopods, corals, and the first true reefs. Jawless fish (early vertebrates) diversified, and the first sea scorpions (eurypterids) became dominant predators. On land, the first primitive plants (moss-like bryophytes) began colonizing damp environments. The climate was initially warm, but by the late Ordovician, a major ice age caused a drastic drop in sea levels, triggering the Ordovician-Silurian mass extinction, which wiped out nearly 85% of marine species. Despite this, the period laid the foundation for the rise of more complex ecosystems in the Silurian.

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