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 References Miller, Furnish, and Schindewolf, 1957, Paleozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L. Geological Society of America and University of Kansas Press. Saunders, Work, and Nikoleva 1999. Evolution of Complexity in Paleozoic Ammonoid Sutures, Supplementary material. Science 22 October 1999: Vol. 286 no. 5440 pp. 760–763. Abstract Goniatitina in GONIAT online suborder Goniatitina Hyatt 1884, Paleodb query, 4/18/14. Goniatitida