Parent taxon: Conodonta according to R. J. Azmi and V. P. Pancholi 1983
See also Clark et al. 1981
Sister taxa: Acodina, Aldridgeodus, Aldridgeognathus, Amphigeisinidae, Ancidontus, Ancyrogondolella, Apteracontiodus, Belodellida, Branmehla, Chengyuania, Coleodontidae, Costiconus, Dasytodus, Diaphanodus, Dischidognathus, Distacodidae, Dolborodina, Enantiognathus, Eofalodus, Euconodonta, Euconodonta, Euconodonta, Fahraeosodus, Falcodus, Gagievodus, Gobduntaulepis, Heterdontoides, Hindeodella andrusovi, Iowagnathus, Llandoverygnathus, Lundodus, Minimodus, Nasusgnathus, Noixodontus, Omanognathus, Oslodus, Ozarkodinida, Palmatodella, Panderodontida, Pandorinella, Parvigondolella, Pollognathus, Polygnathida, Polyplacognathida, Prioniodontida, Protopanderodontida, Pseudobelodella, Rexroadus, Rhynchognathodus, Rotundoconus, Sagittodontus, Silurognathus, Spathognathodus, Tardogondolella, Tokognathus, Trichonodella, Youngquistognathus, Zygognathus
Subtaxa: Amphigeisinacea Bengtsonella Furnishina Furnishinacea Hertzina Muellerodus Nogamiconus Phakelodus Proacodus Problematoconites Prooneotodus Prosagittodontus Serratocambria Tarimspira Trolmenia Westergaardodina
Ecology: nektonic carnivore