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 astacus (species)
Astacus fluviatilis (alias)
broad-fingered crayfish (primary common name)
[show inferior taxa]