Rimula is a genus of sea snails, marine gastropod mollusks in the family Fissurellidae, the keyhole limpets.
The name of the genus is a diminutive of "rime", a fissure.
The shell is thin and cancellated, with a perforation near the anterior margin.
Species within the genus Rimula include:
Rimula aequisculpta Dall, 1927
Rimula astricta McLean, 1970
† Rimula blainvillii (Defrance, 1825)
Rimula californiana S. S. Berry, 1964
Rimula dorriae Pérez Farfante, 1947
Rimula exquisita A. Adams, 1851
Rimula frenulata (Dall, 1889)
Rimula leptarcis Simone & Cunha, 2014
Rimula mexicana Berry, 1969
Rimula pycnonema Pilsbry, 1943
Rimula rhips Herbert & Kilburn, 1986
Species brought into synonymy
Rimula asturiana P. Fischer, 1882: synonym of Cranopsis asturiana (P. Fischer, 1882)
Rimula carinifera Schepman, 1908: synonym of Cranopsis carinifera (Schepman, 1908)
Rimula cumingii A. Adams, 1853: synonym of Cranopsis cumingii (A. Adams, 1853)
Rimula exquisita A. Adams, 1853: synonym of Cranopsis exquisita (A. Adams, 1853)
Rimula galeata Gould, 1846: synonym of Puncturella galeata (Gould, 1846)
Rimula granulata Seguenza, 1862: synonym of Cranopsis granulata (Seguenza, 1862)
Rimula verrieri Crosse, 1871: synonym of Cranopsis verrieri (Crosse, 1871)
Species inquerenda
Rimula carinata A. Adams, 1853
Rimula cognata Gould, 1852
Rimula echinata Gould, 1859
Rimula propinqua A. Adams, 1853
