Alternative spelling: Marathonitaceae
Parent taxon: Goniatitina according to Z. R. Zhou 2017
See also Bogoslovskaya 1990, Furnish et al. 2009, Korn 2006, Leonova 1989 and Leonova 2002
Sister taxa: Adrianitoidea, Agathiceratoidea, Cycloloboidea, Dimorphoceratoidea, Gastrioceratoidea, Girtyocerataceae, Goniatitidae, Goniatitoidea, Gonioloboceratoidea, Neodimorphoceratoidea, Neoglyphioceratoidea, Neoicoceratoidea, Nomismoceratoidea, Pericycloidea, Popanoceratoidea, Schistoceratoidea, Shumarditoidea, Somoholitoidea, Thalassoceratoidea
Subtaxa: Hyattoceratidae Marathonitidae
Ecology: fast-moving nektonic carnivore
Distribution:
• Permian of Canada (2: British Columbia, Nunavut collections), China (14), Indonesia (4), Iran (1), Italy (5), Japan (3), Kazakhstan (14), Mexico (1), the Russian Federation (5), Tajikistan (88), Ukraine (3), United States (41: Nevada, New Mexico, Texas, Wyoming)
• Carboniferous of Kazakhstan (6), the Russian Federation (6), United States (24: Texas)
Total: 217 collections including 311 occurrences