Children (23 direct children, 32 direct and indirect children):
Arctic grayling
(tree size 5)
Thymallus arcticus
Thymallus brevirostris
Grayling
(tree size 2)
Thymallus thymallus
Thymallus mertensii
Thymallus pallasii
East siberian grayling
Thymallus grubii
(tree size 2)
Thymallus yaluensis
Thymallus baicalensis
Thymallus burejensis
Thymallus tugarinae
Thymallus brevipinnis
Thymallus svetovidovi
Thymallus nigrescens
Thymallus flavomaculatus
Thymallus aeliani
Thymallus decorus
Thymallus eliani
Thymallus gymnogaster
Thymallus gymnothorax
Thymallus signifer
Thymallus umbrosa
Thymallus vulgaris
Thymallus ligericus