Hemigrania Lasserre, 1971 Grania is a genus of marine annelid worms in the class Clitellata.

They are found at many depths in sands throughout the world.

They are generally about 2 centimetres (0.79 in) in length and mostly colorless or white, though Grania colorata, a recently discovered species found in the Great Barrier Reef, is green.

There are 72 species in the genus Grania which have been identified.

This annelid-related article is a stub.