†Welcommia (elasmobranch)
Chondrichthyes - Hexanchiformes
Parent taxon: Hexanchiformes according to D. Delsate and P. Godefroit 1995
Sister taxa: Chlamydoselachidae, Eonotidanus, Hexanchidae, Pachyhexanchus, Paraheptranchias, Paranotidanus, Pseudonotidanidae, Thrinax, Weltonia
Subtaxa: Welcommia terencei
Ecology: nektonic carnivore