Dolium luteostomum Küster, 1857 Tonna luteostoma is a species of large sea snail, a marine gastropod mollusc in the family Tonnidae, the tun snails or tun shells.

The species typically grows to a height of 100mm, width 85mm.

[1] The accepted name Tonna luteostoma was proposed by Küster in 1857.

[2][3] Tonna luteostoma can be found across Japan, where they are common.

[1] From 1976, the species began to appear in New Zealand waters, specifically in the Far North Aupourian geographical range.