†family Periodontidae Lindström 1970 (conodont)
Conodonta - Prioniodontida - Periodontidae
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, Paracordylodontidae, Paracordylodus, Phragmodus, Plectodinidae, Prioniodinida, Prioniodinina, Prioniodontacea, Rhipidognathidae, Strachanognathidae
Subtaxa: none
Type: Periodon
Ecology: nektonic carnivore
Distribution: there are no occurrences of Periodontidae in the database