Horn Coral Fossils

£1.75

Horn Coral Fossils

A rare example of a Horn Coral Fossil from the Devonian Period.

Horn Corals are from the extinct order of corals called Rugosa. Rugose means wrinkled. The outside of these corals have a wrinkled appearance. Horn Coral grows in a long cone shape like a bull’s horn.

Devonian Period. 358 million years ago

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Description

Horn Coral Fossils

A rare example of a Horn Coral Fossil from the Devonian Period.

Horn Corals are from the extinct order of corals called Rugosa. Rugose means wrinkled. The outside of these corals have a wrinkled appearance. Horn Coral grows in a long cone shape like a bull’s horn.

The fossil is the skeleton of the coral animal or polyp. They built these cone shaped structures from calcium carbonate that came from the ocean water. The animal lived at the top of the cone. As the animal got bigger it added more material to the cone. Each layer was a little bigger than the previous one.

Devonian Period. 358 million years ago

Approx Size 20mm – 30mm

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