the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Actinopterygii (class)
Acipenseriformes (order)
Acipenseridae (family)
Acipenser (genus)
Acipenser gueldenstaedtii (species)
Russian sturgeon (primary common name)
[show inferior taxa]