After Nelson, 1994 and Froese & Pauly, 2001 [“The FishBase”

<==o Coregoninae (siiat) [Nelson: 3 genera, 32 species] [FB: 3/69]
   |-- Stenodus leucichthys (Güldenstädt, 1772) (nelma; inconnu)
   `--+--o Prosopium Plioc. Pleist. R. NA. (pyörösiiat?; round whitefishes) [6] 
      |  |-- P. abyssicola (Snyder, 1919) (Bear Lake whitefish)
      |  |-- P. coulteri (Eigenmann & Eigenmann, 1892) (Pygmy whitefish)
      |  |-- P. cylindraceum (Pennant, 1784) (Round whitefish)
      |  |-- P. gemmifer (Snyder, 1919) (Bonneville cisco)
      |  |-- P. spilonotus (Snyder, 1919) (Bonneville whitefish)
      |  `-- P. williamsoni (Girard, 1856) (Mountain whitefish)
      `--o Coregonus Pleist. Eu. R. As. NA. (siiat; whitefishes) [N: 25 species] [FB: 62]
         |?- C. albellus Fatio, 1890
         |?- C. alpinus Fatio, 1885
         |?- C. arenicolus Kottelat, 1997
         |?- C. atterensis Kottelat, 1997
         |?- C. bavaricus Hofer, 1909
         |?- C. bezola Fatio, 1888
         |?- C. candidus Goll, 1883
         |?- C. chadary Dybowski, 1869 (Khadary-whitefish)
         |?- C. clupeoides Lacépède, 1803 (Powan)
         |?- C. confusus Fatio, 1885
         |?- C. danneri Vogt, 1908
         |?- C. fatioi Kottelat, 1997
         |?- C. fera Jurine, 1825
         |?- C. gutturosus (Gmelin, 1818)
         |?- C. heglingus Schinz, 1822
         |?- C. hiemalis Jurine, 1825
         |?- C. hoferi Berg, 1932
         |?- C. huntsmani Scott, 1987 (Atlantic whitefish)
         |?- C. lucidus (Richardson, 1836)
         |?- C. lucinensis Thienemann, 1933
         |?- C. macrophthalmus Nüsslin, 1882
         |?- C. maraena (Bloch, 1779)
         |?- C. maxillaris Günther, 1866
         |?- C. megalops Widegren, 1863 (Lacustrine fluvial whitefish)
         |?- C. muksun (Pallas, 1814) (Muksun)
         |?- C. nasus (Pallas, 1776) (Broad whitefish)
         |?- C. nelsoni Bean, 1884 (Alaska whitefish)
         |?- C. nilssoni Valenciennes, 1848
         |?- C. nobilis Haack, 1882
         |?- C. oxyrinchus (Linnaeus, 1758) (Houting)
         |?- C. palaea Cuvier, 1829
         |?- C. pallasii Valenciennes, 1848
         |?- C. pennantii Valenciennes, 1848 (Gwyniad)
         |?- C. pidschian (Gmelin, 1789) (Humpback whitefish)
         |?- C. pollan Thompson, 1835 (Irish pollan)
         |?- C. renke (Schrank & Wartmann, 1783)
         |?- C. restrictus Fatio, 1885
         |?- C. stigmaticus Regan, 1908 (Schelly)
         |?- C. subautumnalis Kaganowsky, 1932
         |?- C. suidteri Fatio, 1885
         |?- C. trybomi Svärdson, 1979
         |?- C. ussuriensis Berg, 1906 (Amur whitefish)
         |?- C. vandesius Richardson, 1836
         |?- C. wartmanni (Bloch, 1784)
         |?- C. widegreni Malmgren, 1863 (Valaam whitefish)
         |?- C. zuerichensis Nüsslin, 1882
         |?- C. zugensis Nüsslin, 1882
         |--o (Leucichthys) (muikut; ciscoes) [N: 17 species]
         |  |?- C. (L.) artedi Lesueur, 1818 [i>C. (L.) nipigon] (Cisco)
         |  |?-o C. (L.) autumnalis (Pallas, 1776) (Arctic cisco)
         |  |  |-- C. (L.) a. autumnalis (Pallas, 1776) (Arctic cisco)
         |  |  `-- C. (L.) a. migratorius (Georgi, 1775)
         |  |?- C. (L.) hoyi (Milner, 1874) (Bloater)
         |  |?- C. (L.) johannae (Wagner, 1910) (Deepwater cisco)
         |  |?- C. (L.) kiyi (Koelz, 1921) (Kiyi)
         |  |?- C. (L.) laurettae Bean, 1881 (Bering cisco)
         |  |?- C. (L.) nigripinnis (Hoy, 1872) (Blackfin cisco)
         |  |?- <
         |  |?- C. (L.) reighardi (Koelz, 1924) (Shortnose cisco)
         |  |?- C. (L.) sardinella Valenciennes, 1848 (Sardine cisco)
         |  |?- C. (L.) zenithicus (Jordan & Evermann, 1909) [C. (L.) alpenae] (Shortjaw cisco)
         |  |--o G. (L.) tugun
         |  |  |-- C. (L.) t. tugun (Pallas, 1814) (Tugun)
         |  |  `-- C. (L.) t. lenensis Berg, 1932 (Lena tugun)
         |  `-- G. (L.) albula (Linnaeus, 1758) (muikku; Vendace)
         `--o (Coregonus) (siiat; lake whitefishes) [N: 7 species]
            |--o C. (C.) lavaretus -speciesgroup (siika)
            |  |-- C. (C.) l. lavaretus (Linnaeus, 1758) (siika; Common whitefish)
            |  `-- C. (C.) l. baicalensis Dybowski, 1874 (European whitefish)
            |--o C. (C.) peled -speciesgroup (peledsiika)
            |  `-- C. (C.) peled (Gmelin, 1789) (Peled)
            `--o C. (C.) clupeaformis -speciesgroup (amerikansiiat)
               `-- C. (C.) clupeaformis (Mitchill, 1818) (Lake whitefish)

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