Lissospira dalli is a small species of sea snail, a marine gastropod mollusk in the family Skeneidae.
The shell has a trochiform shape and contains 3½ whorls that enlarge rapidly.
The outer lip shows a slight angle anteriorly.
The columella is evenly curved The base of the shell contains seven or eight spiral incised lines.
[2][3] This species occurs in the Atlantic Ocean off North Carolina, USA, at depths between 668 m and 1569 m.