Hexagonia Coral Fossil | Middle Devonian | Assa Zag Morocco | Authentic Prehistoric Reef Specimen

Description

An impressive and beautifully preserved Hexagonia Coral Fossil from the Middle Devonian Period, discovered in the fossil-rich region of Assa Zag, Morocco. This specimen represents ancient reef-building lifeforms from over 390 million years ago, when vast warm seas covered much of what is now North Africa.

The fossil shown in the photos is the exact piece you will receive. A scale cube (1cm per square) is included in the photos for accurate sizing—please refer to the images for full detail.

Geological & Palaeontological Information:

• Fossil Type: Colonial Rugose Coral
• Genus: Hexagonaria (commonly referred to as Hexagonia in earlier literature)
• Geological Period: Devonian
• Stage: Middle Devonian (~393 to 383 million years ago)
• Location: Assa Zag, Morocco
• Depositional Environment: Shallow, warm marine reef or carbonate platform environment
• Order: Rugosa (Horn Corals)
• Family: Hexagonariidae (placement subject to revision based on newer classifications)
• Morphological Features:
• Distinct hexagonal corallites (chambers) forming a colonial structure
• Each corallite contains septa arranged radially around a central axis
• The polygonal pattern is highly visible and well-preserved
• Cross-sectional polish may reveal striking internal structure

Notable Points:

• Hexagonaria is famous for forming Devonian reef systems and is especially well-known from both North Africa and North America (e.g., Petoskey stones).
• This Moroccan example showcases excellent preservation and pattern clarity, ideal for study or display.

Why Buy This Fossil?

• Represents ancient reef ecosystems from the Devonian “Age of Fishes”
• Beautiful geometric patterning, naturally formed
• Genuine fossil from a classic Moroccan Devonian site
• Supplied with a Certificate of Authenticity
• 100% Natural and ethically sourced
• Excellent for collectors, educators, or display

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