Conodonta - Ozarkodinida - Idiognathodontidae
Parent taxon: Ozarkodinida according to C. Corradini et al. 2011
See also Clark et al. 1981 and Donoghue et al. 2008
Sister taxa: Anchignathodontidae, Elictognathidae, Ellisoniidae, Gamachignathus, Gondolellidae, Gondolellidea, Gondolelloidea, Kockelellidae, Microzarkodina, Ozarkodinina, Palmatolepididae, Periodon, Plectodina, Pterospathodontidae, Spathognathodontidae, Spathognathodontodae, Vjalovognathidae
Subtaxa: Gnathodus Idiognathodus Idiognathoides Neognathodus Protognathodus Streptognathodus
Ecology: nektonic carnivore
Distribution:
• Permian of Mexico (1 collection), the Russian Federation (2), South Korea (10), Turkey (1)
• Carboniferous of Afghanistan (1), Australia (1), Austria (4), Brazil (1), China (12), Egypt (2), Germany (2), Greece (4), Iran (2), Ireland (1), Mexico (14), Morocco (1), the Russian Federation (12), South Korea (2), Spain (8), Ukraine (10), the United Kingdom (23), United States (89: Alabama, Alaska, Arizona, Arkansas, California, Indiana, Iowa, Kansas, Kentucky, Missouri, Nebraska, Nevada, New Mexico, Ohio, Oklahoma, Pennsylvania, Utah, Wyoming)
• Devonian of Austria (1), China (2), Greece (5)
• Silurian of Greece (1)
• Ordovician of Malaysia (1)
Total: 213 collections including 452 occurrences