†family Acritolepidae Valiukevicius and Burrow 2005 (spiny fish)
Chondrichthyes - Ischnacanthiformes - Acritolepidae
Parent taxon: Ischnacanthiformes according to C. Burrow 2011
Sister taxa: Ischnacanthidae, Ischnacanthus, Podoliacanthus, Poracanthodidae, Serradentus, Xylacanthus
Subtaxa: Nerepisacanthus
Ecology: nektonic carnivore
Distribution: found only at Cunningham Creek [Cunningham Creek Fm] (Silurian of New Brunswick)