. . . . "Animalia" . . . . "Astacus" . . . . "European crayfish" . "Decapoda" . . "Astacus astacus Linnaeus 1758" . "Linnaeus 1758" . . "Malacostraca" . "Astacidae" . . . "Arthropoda" . . "Astacus astacus" . .