the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Actinopterygii (class)
Neopterygii (no rank)
Semionotiformes (order)
Lepisosteidae (family)
Lepisosteus (genus)
[hide inferior taxa]
Lepisosteus oculatus (species)
Lepisosteus osseus (species)
Lepisosteus sp. (species)
Lepisosteus spatula (species)