solidior Dautzenberg & Fischer, 1906 Dolium bairdii Verrill & Smith in Verrill, 1881 Dolium bayrdi 'Verrill' Paetel, 1887 Dolium biornatum Tate, 1894 Eudolium inflatum Kuroda & Habe, 1952 Eudolium kuroharai Azuma, 1960 Eudolium lineatum Osima, 1943 Morio lineata Schepman, 1909 Eudolium bairdii, common name Baird's bonnet, is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells.

[1] This marine species has a circumtropical distribution in the Atlantic, Indian, and Pacific Oceans.

[4] The shell is thin and globose, with a prominent spire and rounded whorls, accompanied by a strongly indented suture.

Its surface is adorned with well-defined, narrow spiral cords of alternating strength.

In adult specimens, the outer lip is thickened and flares outward, with a finely toothed inner edge.