Osteichthyes - 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

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Ecology: fast-moving aquatic grazer

Distribution: found only at Istehbanat (Oligocene of Iran)

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