Children (35 direct children, 39 direct and indirect children):
Astacus astacus
(tree size 2)
River crayfish
Astacus leptodactylus
Turkish crayfish
Astacus pachypus
Thick-clawed crayfish
Astacus squilla
Astacus tettigonus
Astacus carinatus
Astacus ferratus
Astacus gibbosus
Astacus dauricus
Astacus fluviatius
Astacus japonicus
Astacus madagascariensis
Astacus pallipes
Astacus torrentium
Astacus australasiensis
Astacus balcanicus
(tree size 2)
Astacus chilensis
Astacus colchicus
Astacus edwardsii
Astacus fulgens
Astacus kessleri
Astacus laevissimus
Astacus multicavatus
Astacus pugnax
Astacus salinus
Astacus armatus
Astacus bartonii
Astacus caldwelli
Astacus elephas
Astacus groenlandicus
Astacus leniusculus
Astacus limosus
Astacus penicillatus
Astacus schrenckii
Astacus serratus