Elrathia Trilobite

Elrathia Trilobite

Elrathia Trilobite.
The Elrathia Trilobite has a Schizochroal Eye design. Trilobites were similar to the modern day Wood Louse only sea dwellers. They came in many different sizes ranging from 1″ inch to around 1 metre in length.

Size of the Trilobite 1″ x 1/2″ inches.

Trilobites had compound eyes, each, a unit comprising many lenses made from Calcite Crystal, developed through many millions of years. Early species a sub order Agnostida from the early Cambrian Period 520 million years ago were eye-less.

The group Elrathia ranged from the late Cambrian Period – 500 million years ago to the late Devonian Period – 380 million years.

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