The following pictures are of brachiopods from the Permian Period. The specimens are on display at the natural history museum in Paris, Fra...

This Atrypa sp. brachiopod is from Benton County, Tennessee. It existed in the Lower Devonian Period and was found in the Birdsong Formatio...

This brachiopod is from Benton County, Tennessee. It existed in the Lower Devonian Period and was found in the Birdsong Formation. The bra...