Ictiobus (subgenus of Catostomus) Rafinesque [C. S.] 1820:301 [299] Masc. Catostomus bubalus Rafinesque 1818. Type by subsequent designation. Ichthyobus is a misspelling or unjustified emendation. Type designated by Agassiz 1854:354 [ref. 69]. Also in Rafinesque 1820:55, 89 (Dec.) [ref. 3592] as Ictiorus. Name placed on Official List (Opinion 1582), conserving over Amblodon Rafinesque 1819 which was placed on Official Index. •Valid as Ictiobus Rafinesque 1820 -- (Bailey & Eschmeyer 1988 [ref. 6624], Gilbert 1998:20 [ref. 23395], Bogutskaya & Naseka 2004:102 [ref. 28183], Scharpf 2006:10 [ref. 30386], Kottelat & Freyhof 2007:298 [ref. 29996], Minckley & Marsh 2009:214 [ref. 31114]). Current status: Valid as Ictiobus Rafinesque 1820. Catostomidae: Ictiobinae.