Macleaniella is a genus of deep-sea limpets in the family Cocculinidae.

[2] Species within the genus Macleaniella include: Macleaniella moskalevi is endemic to Puerto Rico Trench.

[1] The shell of Macleaniella moskalevi is small and cap-shaped.

[4] The maximum recorded shell length is 5.17 mm.

[5] Minimum recorded depth is 5184 m.[5] Maximum recorded depth is 8595 m.[5] Simultaneous hermaphrodites.