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Rhynchonellata

Rhynchonellata

Phylum: Brachiopoda-Articulata
Class: Rhynchonellata

Orders of Rhynchonellata present in the Pennsylvanian of the American Midcontinent

Athyridida

Athyridida

Atrypida

Atrypida

Dictyonellida

Dictyonellida

Orthida

Orthida

Rhynchonellida

Rhynchonellida

Spiriferida

Spiriferida

Spiriferinida

Spiriferinida

Terebratulida

Terebratulida