Inodrillia dalli is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.

It was previously included within the family Drilliidae and then in Turridae.

This species, recognizable by its large blunt tip and brownish livid streaks or tint, is notably variable.

The ribs much stronger than in the typical form, and closer set ; they even undulate the fasciole a little.

[2] This marine species occurs from New Jersey to Florida, US.