cellular organisms >>> Eukaryota >>> Opisthokonta >>> Metazoa >>> Eumetazoa >>> Bilateria >>> Deuterostomia >>> Chordata >>> Craniata >>> Vertebrata >>> Gnathostomata >>> Teleostomi >>> Euteleostomi >>> Actinopterygii >>> Actinopteri >>> Chondrostei >>> Acipenseriformes >>> Acipenseroidei >>> Acipenseridae >>>