Eucithara angiostoma is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
[1] This is not Eucithara angiostoma Kay, 1979 The length of the shell varies between 3 mm and 5 mm.
The transverse striae are very fine but distinct.
The color of the shell is whitish, with a broad central brown band on the back of the body whorl, which when the shell is worn appears as a spot.
[2] This marine species occurs in the Indian Ocean (?