Stomatella japonica A. Adams, 1850 (original combination) Granata japonica is a species of sea snail, a marine gastropod mollusc in the family Chilodontaidae.

[2] (Original description by Adams) The brown, convex, imperforate shell has a suborbicular shape.

The riblets are close-set, and noduled.

The interstices are very finely longitudinally striated.

[3] This marine species occurs off Japan.