Ariadnaria exigua is a species of small sea snail, a marine gastropod mollusk in the family Capulidae, the cap snails.

Distribution The holotype was found off the Aleutian Islands.

References

Clark, R.N. (2022). Three new trichotropid gastropods (Capulidae: Trichotopinae) from Alaska. The Festivus. 54(2): 174–178.