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Brachiopods

The most common Silurian hard-shelled organism, dominating every benthic ecosystem.

Reached their zenith in the mid-Silurian.

Serve as Silurian index fossils.

Articulate brachiopods were the most widespread.

Silurian

Images courtesy of Palaeos.com.

Page 5

Mucrospirifer brachiopods, Middle Devonian, New York.

Modern brachiopods.

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