Conodonta - Ozarkodinida - Spathognathodontidae
Parent taxon: Ozarkodinida according to T. J. Suttner 2007
See also Savage 1995, Sweet 1988 and Viira and Einasto 2003
Sister taxa: Anchignathodontidae, Elictognathidae, Ellisoniidae, Gamachignathus, Gondolellidae, Gondolellidea, Gondolelloidea, Idiognathodontidae, Kockelellidae, Microzarkodina, Ozarkodinina, Palmatolepididae, Periodon, Plectodina, Pterospathodontidae, Spathognathodontodae, Vjalovognathidae
Subtaxa: Flajsella Lanea Tortodus Zieglerodina
Ecology: nektonic carnivore
Distribution:
• Devonian of Algeria (4 collections), Australia (5), Austria (64), Belgium (1), Canada (1: Yukon), the Czech Republic (49), France (10), Germany (15), Italy (47), Morocco (17), the Russian Federation (12), Spain (26), United States (19: Alaska, Nevada)
• Silurian of Austria (6), the Czech Republic (9), Germany (6), Italy (8), Sweden (4)
Total: 303 collections including 509 occurrences