secundodorsalis, Thynnus Storer [D. H.] 1853:143, Pl. 12 (fig. 4) [Memoirs of the American Academy of Arts and Sciences (new series) v. 5 (pt 1, art. 8); ref. 18851] Cape Ann and Provincetown, Massachusetts, U.S.A. Syntypes: (2) whereabouts unknown. Originally as secundo-dorsalis. •Synonym of Thunnus thynnus (Linnaeus 1758) -- (Gibbs & Collette 1967:117 [ref. 13640], Collette & Nauen 1983:90 [ref. 5375], Collette 1990:995 [ref. 19476], Collette 2003:14 [ref. 27312], Collette 2022:289 [ref. 40167]). Current status: Synonym of Thunnus thynnus (Linnaeus 1758). Scombridae: Scombrinae. Habitat: marine.