Conodonta - Prioniodontida - Paracordylodontidae
Parent taxon: Prioniodontida according to L. J. Pyle and C. R. Barnes 2002
See also Clark et al. 1981
Sister taxa: Acodontidae, Anticostiodus, Balognathidae, Balognathoidea, Cyrtoniodontidae, Distomodontidae, Histiodella, Multioistodontidae, Oepikodus, Oistodontidae, Paracordylodus, Periodontidae, Phragmodus, Plectodinidae, Prioniodinida, Prioniodinina, Prioniodontacea, Rhipidognathidae, Sagittodontina, Strachanognathidae
Subtaxa: Fahraeusodus Oelandodus Protoprioniodus
Ecology: nektonic carnivore
Distribution:
• Ordovician of Argentina (22 collections), Australia (1), Canada (29: British Columbia, Newfoundland), China (4), Estonia (3), the Russian Federation (26), United States (1: New York)
• Arenig of Argentina (2), China (1)
Total: 89 collections including 95 occurrences