Paleozoic brachiopods

Linguliformea is a subphylum of inarticulate brachiopods. These were the earliest of brachiopods, ranging from the Cambrian into the Holocene. They rapidly diversified during the Cambrian into the Ordovician, but most families became extinct by the end of the Devonian.

Chonetes is an extinct genus of brachiopods. It ranged from the Late Ordovician to the Middle Jurassic.