cerulescens, Silurus Rafinesque [C. S.] 1820:49 [Quarterly Journal of Science, Literature and the Arts v. 9; ref. 5592] Ohio River, U.S.A. No types known. Type catalog: Gilbert 1998:210 [ref. 23395], Ferraris 2007:210 [ref. 29155]. Appeared earlier as name only in Rafinesque 1818:445 [ref. 3587]. See also Rafinesque 1820:357 [ref. 3711] and 1820:63 [ref. 3592] as Pivelodus [sic] cerulescens. •Possibly Ictalurus punctatus (Rafinesque 1818), more likely Ictalurus furcatus (Valenciennes 1840) -- (Gilbert 1998:210 [ref. 23395]). •Species inquirenda in Ictalurus -- (Ferraris 2007:211 [ref. 29155]). Current status: Uncertain as Ictalurus furcatus (Valenciennes 1840). Ictaluridae. Habitat: freshwater.