Graylings (Thymallus) is a biological genus in the family Salmonidae (Trouts And Salmons) and order Salmoniformes (Salmons).
Thymallus grubii
Thymallus arcticus
Thymallus thymallus
Thymallus nigrescens
Thymallus brevirostris
Salmo
Brachymystax
Salvelinus
Thymallus
Hucho
Stenodus
Oncorhynchus
Parahucho
Prosopium
Salvethymus
Coregonus