Parent taxon: Conodonta according to G. A. Stepanova 1990
See also Clark et al. 1981
Sister taxa: Acodina, Aldridgeodus, Aldridgeognathus, Amphigeisinidae, Ancidontus, Ancyrogondolella, Apteracontiodus, Belodellida, Branmehla, Chengyuania, Coleodontidae, Costiconus, Dasytodus, Diaphanodus, Dischidognathus, Dolborodina, Enantiognathus, Eofalodus, Euconodonta, Euconodonta, Euconodonta, Fahraeosodus, Falcodus, Gagievodus, Gobduntaulepis, Heterdontoides, Hindeodella andrusovi, Iowagnathus, Llandoverygnathus, Lundodus, Minimodus, Nasusgnathus, Noixodontus, Nothognathella, Omanognathus, Oslodus, Ozarkodinida, Palmatodella, Panderodontida, Pandorinella, Paraconodontida, Parvigondolella, Pollognathus, Polygnathida, Polyplacognathida, Prioniodontida, Protopanderodontida, Pseudobelodella, Rexroadus, Rhynchognathodus, Rotundoconus, Sagittodontus, Silurognathus, Tardogondolella, Tokognathus, Trichonodella, Youngquistognathus, Zygognathus
Subtaxa: Spathognathodus asymmetricus Spathognathodus culminidirectus Spathognathodus dubius Spathognathodus fundamentus Spathognathodus optimus Spathognathodus stygius Spathognathodus transitans
Ecology: nektonic carnivore
Distribution:
• Triassic of Greece (1 collection), Serbia (1)
• Namurian of Malaysia (3)
• Carboniferous of Afghanistan (1), China (10), Greece (1), the United Kingdom (17), United States (35: Arizona, California, Colorado, Illinois, Iowa, Kentucky, Missouri, Montana, New Mexico, Ohio, Pennsylvania, Virginia, West Virginia)
• Devonian to Triassic of Greece (1)
• Devonian of Australia (1), Austria (2), Belgium (11), Canada (1: Yukon), China (13), Czechia (5), Germany (2), Greece (4), Italy (2), Morocco (1), the Russian Federation (1), Spain (1), United States (1: California), Vietnam (1)
• Niagaran of United States (1: Indiana)
• Silurian to Devonian of Thailand (1)
• Silurian of Canada (1: Yukon), China (3), Greece (1), Jordan (1), Malaysia (3), the Russian Federation (1), Ukraine (2), the United Kingdom (1), United States (6: California, Missouri, Utah, Wisconsin), Western Sahara (5)
• Ordovician of Canada (2: Québec), the Russian Federation (2)
Total: 146 collections including 167 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.