the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Arthropoda (phylum)
Crustacea (subphylum)
Malacostraca (subclass)
Eucarida (infraclass)
Decapoda (order)
Pleocyemata (suborder)
Astacidea (superfamily)
Astacidae (family)
Pacifastacus leniusculus (species)
signal crayfish (primary common name)
[show inferior taxa]