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Goniatitida

Goniatitida

Phylum: Mollusca
Class: Cephalopoda
Order: Goniatitida

Families of Goniatitida present in the Pennsylvanian of the American Midcontinent

Cravenoceratidae

Cravenoceratidae

Gastrioceratidae

Gastrioceratidae

Girtyoceratidae

Girtyoceratidae

Gonioloboceratidae

Gonioloboceratidae

Neodimorphoceratidae

Neodimorphoceratidae

Neoicoceratidae

Neoicoceratidae

Pseudoparalegoceratidae

Pseudoparalegoceratidae

Schistoceratidae

Schistoceratidae

Shumarditidae

Shumarditidae