Sinistrexcisa

Sinistrexcisa is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Streptaxidae.

Distribution
The distribution of the genus Sinistrexcisa includes:
 * south-west Cameroon
 * Equatorial Guinea

Description
A spermatophore was observed in Sinistrexcisa for the first time among the Streptaxidae in 1999.

Species
Species within the genus Sinistrexcisa include:
 * Sinistrexcisa cameruniae De Winter, Gomez & Prieto, 1999 - type species, from Southwest Cameroon
 * Sinistrexcisa iradieri De Winter, Gomez & Prieto, 1999 - from Equatorial Guinea
 * Sinistrexcisa cogoensis De Winter, Gomez & Prieto, 1999 - from Equatorial Guinea
 * Sinistrexcisa fang De Winter, Gomez & Prieto, 1999 - from Equatorial Guinea