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)
• Volkhov of Estonia (9), the Russian Federation (2), Sweden (4)
• Arenig of Argentina (2)
• Ordovician of Argentina (15), China (1), Estonia (10), Lithuania (1), the Russian Federation (2), Sweden (5), United States (10: New Mexico, New York, Virginia)
• Tremadoc of Argentina (2), China (2), Iran (1), the Russian Federation (2), South Korea (1), United States (1: 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: 103 collections including 111 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.