Gianius

Gianius is a genus of annelids belonging to the family Naididae.
The species of this genus are found in Europe and Northern America.
Species:

Gianius anatolicus
Gianius aquaedulcis
Gianius cavealis
Gianius cristolatus
Gianius crypticus
Gianius densespectinis
Gianius eximius
Gianius labouichensis
Gianius monnioti
Gianius navarroi
''Gianius riparius''