Crithe

Crithe is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Cystiscidae. This genus is sometimes still placed within the Marginellidae.

These tiny gastropods have a shell which is colorless and is transparent when fresh.

Distribution
This genus is found in the Indo-Pacific.

Shell description
Shell minute to small, white, hyaline; spire usually immersed, rarely low; lip thickened, smooth, lacking denticulation; external varix absent; siphonal notch absent; posterior notch absent; columella multiplicate, with 6-8 plications plus parietal lirae, plications usually excavated inside aperture due to collabral parietal callus ridge.

Species
Species within the genus Crithe include:
 * Crithe algoensis (Smith, 1901)
 * Crithe atomaria Gould, 1860
 * Crithe caledonica Boyer, 2003
 * Crithe cassidiformis Boyer, 2018
 * Crithe cossinea Cossignani, 1997
 * Crithe gofasi Boyer, 2003
 * Crithe huna (Kay, 1979)
 * Crithe marianoi Cossignani, 2001
 * Crithe nanaoensis (Habe, 1951)
 * Crithe nipponica (Habe, 1951)
 * Crithe togatulus Boyer, 2018