†order Protospinaciformes (shark)
Chondrichthyes - Protospinaciformes
Parent taxon: Squatinida according to J. S. Nelson et al. 2016
See also Underwood 2006
Sister taxon: Squatiniformes
Subtaxa: none
Ecology: nektonic carnivore
Distribution: there are no occurrences of Protospinaciformes in the database