n = 52
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Thymallus aeliani | Valenciennes, 1848 | Thymallus thymallus | Salmonidae | Grayling |
| Thymallus arcticus | (Pallas, 1776) | Thymallus arcticus | Salmonidae | Arctic grayling |
| Thymallus arcticus arcticus | (Pallas, 1776) | Thymallus arcticus | Salmonidae | Arctic grayling |
| Thymallus arcticus baicalensis | Dybowski, 1874 | Thymallus baicalensis | Salmonidae | Baikal black grayling |
| Thymallus arcticus brevipinnis | Svetovidov, 1931 | Thymallus brevipinnis | Salmonidae | |
| Thymallus arcticus grubei | Dybowski, 1869 | Thymallus grubii | Salmonidae | Amur grayling |
| Thymallus arcticus grubii | Dybowski, 1869 | Thymallus grubii | Salmonidae | Amur grayling |
| Thymallus arcticus lenensis | Weiss, Knizhin, Kirillov & Froufe, 2006 | Thymallus arcticus | Salmonidae | Arctic grayling |
| Thymallus arcticus mertensii | Valenciennes, 1848 | Thymallus mertensii | Salmonidae | |
| Thymallus arcticus montanus | Milner, 1874 | Thymallus arcticus | Salmonidae | Arctic grayling |
| Thymallus arcticus nigrescens | Dorogostaisky, 1923 | Thymallus nigrescens | Salmonidae | Kosogol grayling |
| Thymallus arcticus nigriscens | Dorogostaisky, 1923 | Thymallus nigrescens | Salmonidae | Kosogol grayling |
| Thymallus arcticus pallasi | Valenciennes, 1848 | Thymallus pallasii | Salmonidae | East Siberian grayling |
| Thymallus arcticus pallasii | Valenciennes, 1848 | Thymallus pallasii | Salmonidae | East Siberian grayling |
| Thymallus arcticus signifer | (Richardson, 1823) | Thymallus arcticus | Salmonidae | Arctic grayling |
| Thymallus articus yaluensis | Mori, 1928 | Thymallus yaluensis | Salmonidae | |
| Thymallus baicalensis | Dybowski, 1874 | Thymallus baicalensis | Salmonidae | Baikal black grayling |
| Thymallus baicalolenensis | Matveev, Samusenok, Pronin & Tel'pukhovsky, 2005 | Genus Species | New species | |
| Thymallus brevipinnis | Svetovidov, 1931 | Thymallus brevipinnis | Salmonidae | |
| Thymallus brevirostris | Kessler, 1879 | Thymallus brevirostris | Salmonidae | Mongolian grayling |
| Thymallus burejensis | Antonov, 2004 | Thymallus burejensis | Salmonidae | |
| Thymallus decorus | Koch, 1840 | Thymallus thymallus | Salmonidae | Grayling |
| Thymallus flavomaculatus | Knizhin, Antonov & Weiss, 2006 | Thymallus flavomaculatus | Salmonidae | Yellow-spotted grayling |
| Thymallus grubei | Dybowski, 1869 | Thymallus grubii | Salmonidae | Amur grayling |
| Thymallus grubii | Dybowski, 1869 | Thymallus grubii | Salmonidae | Amur grayling |
| Thymallus grubii flavomaculatus | Knizhin, Antonov & Weiss, 2006 | Thymallus flavomaculatus | Salmonidae | Yellow-spotted grayling |
| Thymallus grubii grubii | Dybowski, 1869 | Thymallus grubii | Salmonidae | Amur grayling |
| Thymallus grubii var. baicalensis | Dybowski, 1874 | Thymallus baicalensis | Salmonidae | Baikal black grayling |
| Thymallus gymnogaster | Valenciennes, 1848 | Thymallus thymallus | Salmonidae | Grayling |
| Thymallus gymnothorax | Valenciennes, 1848 | Thymallus thymallus | Salmonidae | Grayling |
| Thymallus jaluensis | Mori, 1928 | Thymallus yaluensis | Salmonidae | |
| Thymallus ligericus | Persat, Weiss, Froufe, Secci-Petretto & Denys, 2019 | Genus Species | New species | |
| Thymallus mertensii | Valenciennes, 1848 | Thymallus mertensii | Salmonidae | |
| Thymallus microlepis | Steindachner, 1874 | Salmo obtusirostris | Salmonidae | Adriatic trout |
| Thymallus montanus | Milner, 1874 | Thymallus arcticus | Salmonidae | Arctic grayling |
| Thymallus nigrescens | Dorogostaisky, 1923 | Thymallus nigrescens | Salmonidae | Kosogol grayling |
| Thymallus nikolskyi | Kaschenko, 1899 | Genus Species | New species | |
| Thymallus pallasii | Valenciennes, 1848 | Thymallus pallasii | Salmonidae | East Siberian grayling |
| Thymallus signifer | (Richardson, 1823) | Thymallus arcticus | Salmonidae | Arctic grayling |
| Thymallus signifer tricolor | Cope, 1865 | Thymallus arcticus | Salmonidae | Arctic grayling |
| Thymallus sp. 2 | Not applicable | Thymallus flavomaculatus | Salmonidae | Yellow-spotted grayling |
| Thymallus svetovidovi | Knizhin & Weiss, 2009 | Thymallus svetovidovi | Salmonidae | Upper Yenisei grayling |
| Thymallus thymallus | (Linnaeus, 1758) | Thymallus thymallus | Salmonidae | Grayling |
| Thymallus thymallus kamensis | Lukash, 1929 | Thymallus thymallus | Salmonidae | Grayling |
| Thymallus tricolor | Cope, 1865 | Thymallus arcticus | Salmonidae | Arctic grayling |
| Thymallus tricolor montanus | Milner, 1874 | Thymallus arcticus | Salmonidae | Arctic grayling |
| Thymallus tugarinae | Knizhin, Antonov, Safronov & Weiss, 2007 | Thymallus tugarinae | Salmonidae | lower Amur grayling |
| Thymallus umbrosa | Gistel, 1848 | Thymallus thymallus | Salmonidae | Grayling |
| Thymallus vexillifer | Fitzinger, 1832 | Thymallus thymallus | Salmonidae | Grayling |
| Thymallus vexillifer | Perty, 1832 | Thymallus thymallus | Salmonidae | Grayling |
| Thymallus vulgaris | Nilsson, 1832 | Thymallus thymallus | Salmonidae | Grayling |
| Thymallus yaluensis | Mori, 1928 | Thymallus yaluensis | Salmonidae |