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