robustus, Mylopharodon Ayres [W. O.] 1855:[2] col. 5 [The Pacific [newspaper] v. 4 (nos 7-22); ref. 13428] San Joaquin River, California, U.S.A. Holotype (unique): apparently lost. Type catalog: Gilbert 1998:141-142 [ref. 23395]. Appeared first as above on 23 Mar.; then in Ayres 1855:33 [ref. 159] •Synonym of Mylopharodon conocephalus (Baird & Girard 1854) -- (Gilbert 1998:141-142 [ref. 23395]). Current status: Synonym of Mylopharodon conocephalus (Baird & Girard 1854). Leuciscidae: Laviniinae. Habitat: freshwater.