Chondrichthyes - Protodontidae
Parent taxon: Chondrichthyes according to R. van der Laan 2019
See also Ginter et al. 2010, Nelson et al. 2016 and Turner and Miller 2008
Sister taxa: Altholepidiformes, Antarctilamniformes, Bandringidae, Bradyodontida, Cladoselachimorpha, Clamydoselachidae, Ctenacanthimorpha, Ctenoptychius ordii, Desmiodontida, Doliodus, Duplisuggestus, Elasmobranchii, Elegestolepidida, Eucentrurus, Fasciodus, Geisacanthus, Gladbachus, Gogoselachus, Gracilisuggestus, Holocephali, Holocephalimorpha, Iniopterygia, Kathemacanthidae, Leonotus, Machichnus, Mongolepidida, Mongolepidiformes, Obtusacanthus, Omalodontiformes, Palaeospondylidae, Phoebodontiformes, Plesioselachus, Polymerolepidiformes, Polysentoridae, Proprigalea, Ptomacanthus, Pucapampellidae, Pucapumpella, Qianodus, Rhinobatiformes, Shenacanthus, Simmorius, Sinacanthida, Subterbranchialia, Thaumatacanthus, Wellingtonellidae, Xenacanthimorpha, Yuanolepis
Subtaxa: Dendrodus Protodus Stigmodus
Type: Protodus
Ecology: nektonic carnivore
Distribution:
• Devonian of Canada (1: New Brunswick collection), Norway (1)
Total: 2 collections each including a single occurrence