Goniatitina

Goniatitina is one of two suborders included in the order Goniatitida; extinct Paleozoic ammonoid cephalopods only distantly related to the Nautiloidea.

Taxonomy
The Goniatitina contains 17 defined superfamilies, listed below.
 * Adrianitoidea
 * Cycloloboidea
 * Dimorphoceratoidea
 * Gastrioceratoidea
 * Goniatitoidea
 * Gonioloboceratoidea
 * Marathonitoidea
 * Neodimorphoceratoidea
 * Neoglyphioceratoidea
 * Neoicoceratoidea
 * Nomismoceratoidea
 * Pericycloidea
 * Popanoceratoidea
 * Schistoceratoidea
 * Shumarditoidea
 * Somoholitoidea
 * Thalassoceratoidea