Conodonta - Protopanderodontida - Oneotodontidae
Parent taxon: Oneotodontidae according to L. J. Pyle and C. R. Barnes 2002
See also Rasmussen 2001 and Sepkoski 2002
Sister taxa: Oneotodus, Teridontus, Utahconus
Subtaxa: Semiacontiodus cornuformis Semiacontiodus iowensis
Ecology: nektonic carnivore
Distribution:
• Aluoja of Sweden (8 collections)
• Billingen of Estonia (3)
• Arenig of Argentina (2)
• Ordovician of Argentina (17), China (3), Estonia (16), Iran (1), Lithuania (1), the Russian Federation (10), South Korea (1), Sweden (9), United States (11: New Mexico, New York, Virginia)
• Skullrockian of United States (1: New York)
• Cambrian to Ordovician of Canada (1: Quebec), the Russian Federation (1)
• Cambrian of Canada (10: Alberta, Newfoundland and Labrador, Nunuvat), China (4), Norway (1), South Korea (3), United States (4: New York, Vermont, Virginia)
Total: 107 collections including 118 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.