Subfamily Nasinae Smith 1955 (ray-finned fish)
Actinopteri - Acanthuriformes - Acanthuridae
Parent taxon: Acanthuridae according to J. C. Tyler 2000
Sister taxa: Acanthurinae, Acanthuroides, Acanthurus, Ctenochaetus, Eonaso, Eorandallius, Frigosorbinia, Gazolaichthys, Lehmanichthys, Marosichthys, Metacanthurus, Metaspisurus, Naseus, Naso, Padovathurus, Paracanthurus, Pesciarichthys, Prionurus, Proacanthurus, Protozebrasoma, Sorbinithurus, Tauichthys, Tylerichthys, Zebrasoma
Subtaxa: Arambourgthurus
Ecology: fast-moving aquatic grazer
Distribution: found only at Istehbanat (Oligocene of Iran)